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Building Tips and technical articles. => Paint and finishing => Topic started by: MarcusCordeiro on January 20, 2013, 02:55:05 PM

Title: Sig Magnum
Post by: MarcusCordeiro on January 20, 2013, 02:55:05 PM
Now my idea so far is to have it fisinhed with dope, with some SLC and silkspan on the flaps, stab/elev and spray the basic color.
Then, the decoration I'll go with monokote or vinyl.
Have one color scheme on my mind already.
Today I sanded a lot, it's a bigass plane, almost didn't fit in my compact's trunk... My arms hurt LL~ LL~

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on January 20, 2013, 04:37:56 PM
Marcus,

I see Threads in places about SLC.

I honestly have no idea what SLC stands for or what the material is.

Does seem popular though.

Charles
Title: Re: Sig Magnum
Post by: MarcusCordeiro on January 20, 2013, 05:00:38 PM
It's an excellent way to cover your model. Have used a few times. Whatever material I use, SLC will be underneath it.
Have done with silkspan, but I'm curious to use it with silk and polyspan.
I'll do that to add some strength as well.


Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on January 20, 2013, 07:09:07 PM
Marcus,

OK, let me get this straight.

SLC is applied with a heat iron, correct?

Then you have used and applied other materials which requiring dope to be applied over this SLC, that was applied with a heat gun, correct?

Charles

Title: Re: Sig Magnum
Post by: Randy Powell on January 20, 2013, 09:46:39 PM
Yep, that's how it works. Never saw the point. myself, but other's have used it successfully.
Title: Re: Sig Magnum
Post by: MarcusCordeiro on January 21, 2013, 02:21:56 AM
Charles

After I iron the SLC, I brush two coats of dope and put the silkspan on the usual way, and spray two coats of dope and thinner 50/50. It melts the dope previously brushed on and the silkspan sticks to the SLC very nicely, and it takes much less dope to fill in the silkspan. On open Bays it's great because the dope doesn't leak to the inside, like when you are covering wings and the dope drips to the inside, it doesn't happen.
It's really good and adds no weight at all...

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on January 21, 2013, 08:00:37 AM
Charles

After I iron the SLC, I brush two coats of dope and put the silkspan on the usual way, and spray two coats of dope and thinner 50/50. It melts the dope previously brushed on and the silkspan sticks to the SLC very nicely, and it takes much less dope to fill in the silkspan. On open Bays it's great because the dope doesn't leak to the inside, like when you are covering wings and the dope drips to the inside, it doesn't happen.
It's really good and adds no weight at all...Marcus

Marcus,

Here's my questions.

Does the dope penetrate the SLC? To the wood? Is the material woven? Or does it just float on top? Plastic material?

Yes, I'm going someplace with this.

Charles
Title: Re: Sig Magnum
Post by: MarcusCordeiro on January 21, 2013, 08:09:40 AM
It's just like monokote, but lighter.

Check here

http://stunthanger.com/smf/index.php?topic=19859.0

You're gonna love it!!

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on January 21, 2013, 08:57:15 AM
Marcus,

Have you actually used this method before?

Charles

Title: Re: Sig Magnum
Post by: john e. holliday on January 21, 2013, 09:17:44 AM
SLC = Super Light Covering.   I was first being used by the combat guys and a gentleman by the name of Phil Cartier started selling it with simple instructions on its use.   The combat guys do not go for 20 point finishes.  They want the plane light and tough.

Go to home dot earthlink dot net slash ~ philcartier   should get you there.    Or google corehouse.
Title: Re: Sig Magnum
Post by: MarcusCordeiro on January 21, 2013, 09:28:39 AM
Since I discovered it, I've done 3 planes using it, including the 2 you made those stickers for.
The other one was lost due to engine failure, and though the fuselage was in pieces, the wing covering didn't have a single hole..
Last week I covered a combat model with SLC only, and very good!

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on January 21, 2013, 12:21:34 PM
Marcus,

OK! Just checking!

I'm excited for you!

Looking forward to your finishing this model.

Charles
Title: Re: Sig Magnum
Post by: MarcusCordeiro on February 27, 2013, 01:38:59 PM
Better get back at it or will never finish this ship.
I don't use filler, i like to use balsa pieces and CA, sanding it immediately, so the balsa dust mixes with the CA giving it a smooth surface.
Gotta do that in a few places... Adds 0 weight.
Will have more done soon.

Marcus
Title: Re: Sig Magnum
Post by: Randy Powell on February 27, 2013, 02:03:08 PM
Well, it's not zero added weight, but it is minimal as long as you don't use TOO much.
Title: Re: Sig Magnum
Post by: MarcusCordeiro on February 27, 2013, 02:45:46 PM
Well, it's not zero added weight, but it is minimal as long as you don't use TOO much.

Yeah Randy, that's what I meant.
We have to keep 'em light, don't we?? H^^

Marcus
Title: Re: Sig Magnum
Post by: MarcusCordeiro on February 28, 2013, 05:07:38 PM
Working on the fairings, will do the flaps first.
It needs some shaping.
Not rushing this...

Marcus
Title: Re: Sig Magnum
Post by: MarcusCordeiro on March 01, 2013, 11:04:41 AM
After some sanding...

Marcus
Title: Re: Sig Magnum
Post by: Glenn (Gravitywell) Reach on March 01, 2013, 12:20:48 PM
Beautiful work Marcus. H^^
Title: Re: Sig Magnum
Post by: Avaiojet on March 01, 2013, 12:34:01 PM
Marcus,

Looks better after the sanding.  I'll say!

I'll be doing the same thing shortly.

Thanks for the photos!

Outstanding!

Charles
Title: Re: Sig Magnum
Post by: MarcusCordeiro on March 01, 2013, 06:17:34 PM
Glenn/Charles

Thanks a lot!

Done a fillet.
I use 30 min epoxi+microballoons. I tape around the wing-fuselage  joint line and apply the epoxi mixture evenly.
Then, I soak my little finger with alcohol and run it over the joint, always from the TE to the LE, pressing the epoxi.
You get a smooth and even finish end wipe off all epoxi excess.

Marcus
Title: Re: Sig Magnum
Post by: john e. holliday on March 01, 2013, 06:40:45 PM
Don't you love all the little detail work that goes into finishing a plane?   You're doing great with it.
Title: Re: Sig Magnum
Post by: MarcusCordeiro on March 01, 2013, 07:28:30 PM
Don't you love all the little detail work that goes into finishing a plane?   You're doing great with it.

I'm just following the good advice I've got here, among which there was one that said not to rush the finishing...
Wonder who said that...

Thanks Doc

Marcus
Title: Re: Sig Magnum
Post by: Bill Little on March 03, 2013, 12:42:17 PM
Hi Marcus,

The "woodwork" is looking very good, it should turn out to be a "looker".  I have lost it somewhere, what engine are you planning to use?

Keep it up!

BIG Bear
RNMM/AMM
Title: Re: Sig Magnum
Post by: Avaiojet on March 03, 2013, 12:50:36 PM
Glenn/Charles

Thanks a lot!

Done a fillet.
I use 30 min epoxi+microballoons. I tape around the wing-fuselage  joint line and apply the epoxi mixture evenly.
Then, I soak my little finger with alcohol and run it over the joint, always from the TE to the LE, pressing the epoxi.
You get a smooth and even finish end wipe off all epoxi excess.

Marcus

Marcus,

I make mine with Polyester resin and micro-balloons. I've only used Epoxy two part glue. I gotta branch out.  n~

I don't use tape as you have. I use my fingers. Different fingers give me a different radius. Wink, wink.   :o

You're progressing!

Hey! How come you never get nasty replies like I do?  H^^  LL~

Charles

Title: Re: Sig Magnum
Post by: MarcusCordeiro on March 03, 2013, 02:26:49 PM
I'm going to use one Enya 60 III.
Now I'm going to advance until primer is on.
I thought of a paint scheme,but gave it up, too much work and very little time for complicated stuff.
Robert's model inspired me to look for something simpler, so I still have to come up with something.
But that something will go over the primer, so...
Gonna finish the fillets later on today and move on tothe elevators' fairings and the stab fillets.
One thing at a time. I've ruined great buildings in he past for rushing the finishing.
Won't do that again!

Marcus
Title: Re: Sig Magnum
Post by: Glenn (Gravitywell) Reach on March 03, 2013, 04:59:52 PM
Hi Marcus...good looking fillet there.  You mentioned that you always go from the TE to the LE....whats your reasoning?  Just curious. H^^
Title: Re: Sig Magnum
Post by: MarcusCordeiro on March 03, 2013, 05:49:23 PM
Hi Marcus...good looking fillet there.  You mentioned that you always go from the TE to the LE....whats your reasoning?  Just curious. H^^

That's a good question Glenn

I've found it easier to wipe off the excess of epoxi this way, and it also makes the joint line much better looking at the LE, I mean keeping the radius.
It's difficult to get the same shape starting at the LE. At the TE it finishes at "zero", differently from the LE, which has the radius.

I'm gonna use a movie line here:
"Can you dig it?"

Marcus
Title: Re: Sig Magnum
Post by: john e. holliday on March 04, 2013, 08:30:21 AM
That comment is from a movie?   I thought it was from the WWE super star who now is a manager.  I also agree that fillets are better done from trailing edge forward.
Title: Re: Sig Magnum
Post by: MarcusCordeiro on March 04, 2013, 09:14:18 AM
Here

http://www.youtube.com/watch?v=bTUrWYv2vtU

Love this movie!!!!

Marcus
Title: Re: Sig Magnum
Post by: Glenn (Gravitywell) Reach on March 04, 2013, 10:43:57 AM
Thank you Marcus (and John).  As soon as I read your answer I saw it in my head and understood perfectly! H^^
Title: Re: Sig Magnum
Post by: Avaiojet on March 04, 2013, 11:24:45 AM
Marcus,

If you close your eyes and just listen, sounds farmiliar.

Can't quite place it though?

Hey Marcus!

IS IT PAINT TIME!!

Got a scheme?

Charles
Title: Re: Sig Magnum
Post by: MarcusCordeiro on March 04, 2013, 04:36:06 PM
I've always wanted to finish a model with the Thunderbirds color scheme, thought of doing that, but right now it's not the best choice.
I've decided on white as base and red and blue marks to match the colors on the sticker.
Just don't know how the lay out will look like...
I've still got some time to think :!

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on March 04, 2013, 06:12:05 PM
Quote
I've decided on white as base and red and blue marks to match the colors on the sticker.

Marcus,

What sticker? Did I miss something?

Charles
Title: Re: Sig Magnum
Post by: MarcusCordeiro on March 04, 2013, 06:34:14 PM
Marcus,

What sticker? Did I miss something?

Charles

The sticker taht comes with the kit, MAGNUM in blue, white and red.

Marcus
Title: Re: Sig Magnum
Post by: MarcusCordeiro on March 04, 2013, 07:38:27 PM
I guess by tomorrow I'll be done working on the wings.
Those fillets are almost done... S?P

Marcus
Title: Re: Sig Magnum
Post by: MikeyPratt on March 24, 2013, 04:55:52 PM
I guess by tomorrow I'll be done working on the wings.
Those fillets are almost done... S?P

Marcus

Looking GOOD Marcus.  Keep it going and you should have a great flyer   #^.

Later,
Mike Pratt
Title: Re: Sig Magnum
Post by: MarcusCordeiro on March 24, 2013, 05:46:17 PM
Looking GOOD Marcus.  Keep it going and you should have a great flyer   #^.

Later,
Mike Pratt

Thanks Mike!!!!
I guess it doesn't get better than that... a compliment from the designer of the model!! I'm really honored #^ :)! 8)
It's been so busy the past few weeks, but I should be back at it this week.

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on March 25, 2013, 05:18:18 AM
I guess by tomorrow I'll be done working on the wings.
Those fillets are almost done... S?PMarcus

Marcus,

Please, tell how you did your wing fillets. What did you use? They look great.

Charles

Title: Re: Sig Magnum
Post by: MarcusCordeiro on March 25, 2013, 10:18:00 AM
Glenn/Charles

Thanks a lot!

Done a fillet.
I use 30 min epoxi+microballoons. I tape around the wing-fuselage  joint line and apply the epoxi mixture evenly.
Then, I soak my little finger with alcohol and run it over the joint, always from the TE to the LE, pressing the epoxi.
You get a smooth and even finish end wipe off all epoxi excess.

Marcus

That's it!!

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on March 25, 2013, 12:14:11 PM
Marcus,

Got it!

In fact, now I remember you mentioned that once before. Meds, they make you forget.  n~

Do you wait till it's cured before you pull the tape?

Charles
Title: Re: Sig Magnum
Post by: MarcusCordeiro on March 25, 2013, 03:41:07 PM
No, as soon as I'm done I pull it off, otherwise it'll stick to the wood 'cause of the glue.

Marcus
Title: Re: Sig Magnum
Post by: MarcusCordeiro on March 29, 2013, 06:42:48 PM
Here a elev fairing...
Still needs some work.


Marcus
Title: Re: Sig Magnum
Post by: wwwarbird on March 29, 2013, 09:51:41 PM

 Marcus, can we see a couple overall pics of the model at this stage? I recently picked up a Magnum kit and am looking for some inspiration and ideas.
Title: Re: Sig Magnum
Post by: MarcusCordeiro on March 30, 2013, 05:44:43 AM
Wayne

That's great you got a Magnum too!!
I'll work on the othr side fairing today and will post a few pics of the model as it is now... Finishing is a phase that seems like you're not progressing, but there're so many details and little things that pics don't show...

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on March 30, 2013, 07:18:23 AM
Marcus,

Som guys just use glue on their hinges, different types.

I use glue but always pin them also.

Will you pin your hinges?

Charles
Title: Re: Sig Magnum
Post by: MarcusCordeiro on March 30, 2013, 09:38:01 AM
You bet Charles...
That's the only way I do it.

Marcus
Title: Re: Sig Magnum
Post by: Mark Scarborough on March 30, 2013, 01:52:02 PM
Marcus,

I make mine with Polyester resin and micro-balloons. I've only used Epoxy two part glue. I gotta branch out.  n~

I don't use tape as you have. I use my fingers. Different fingers give me a different radius. Wink, wink.   :o

You're progressing!

Hey! How come you never get nasty replies like I do?  H^^  LL~

Charles


......
Title: Re: Sig Magnum
Post by: MarcusCordeiro on April 03, 2013, 07:31:38 PM
The stab fillets... i'm way behind schedule with this ship... :P

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on April 03, 2013, 08:22:44 PM
The stab fillets... i'm way behind schedule with this ship... :P

Marcus

Marcus,

Why do you think you're, "way behind schedule." ?

What, you're bouncing between, how many, six or seven models.   LL~ LL~

Looks to me like you're moving right along, at least on this one.

Tail feathers are shaping up. Looks great, good job!

Charles
Title: Re: Sig Magnum
Post by: MarcusCordeiro on April 04, 2013, 05:45:51 AM
Thank you Charles

What I meant is that sometimes one can't do as much as it was planned.
I'm building 2 ships only... LL~
Work has been killing me, but it's never say die, right?
Today I'm going to have some free time and try to advance a little more both ships.

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on April 04, 2013, 09:41:04 AM
Thank you Charles

What I meant is that sometimes one can't do as much as it was planned.
I'm building 2 ships only... LL~
Work has been killing me, but it's never say die, right?
Today I'm going to have some free time and try to advance a little more both ships.

Marcus

Marcus,

What about that combat model you were excited about? Have you put that asside or did you finish it?

Charles
Title: Re: Sig Magnum
Post by: MarcusCordeiro on April 04, 2013, 11:30:17 AM
It's OK. It needs a little work to be 100%, but it flies great!!
I've got to decrease de venturi dia. 'cause it's slurping fuel and I can't get enough flight time.

Marcus
Title: Re: Sig Magnum
Post by: MarcusCordeiro on April 04, 2013, 03:31:18 PM
The canopy...
This is new to me, always been a profile guy...
Gotta find a nice pilot!!

Marcus
Title: Re: Sig Magnum
Post by: MarcusCordeiro on April 05, 2013, 07:04:37 PM
The engine cowl... tried to make it the most cooling-efficient I could, not letting the hot air into he tank compartment.
Still have to add the nuts and bolts for fixation.
A few more details and it's gonna be ready for dope and sanding.
i can feel my arms hurt already... LL~ LL~

Marcus
Title: Re: Sig Magnum
Post by: Rafael Gonzalez on April 05, 2013, 07:21:57 PM
It's OK. It needs a little work to be 100%, but it flies great!!
I've got to decrease de venturi dia. 'cause it's slurping fuel and I can't get enough flight time.

Marcus
Try to make the venturi  a little longer. On some engines, the velocity of the incoming air bounces off when  the crankshaft closes and lets fuel and air "backdraft". If you elongate the path, the momentum doesn't come back, it actually pressurizes the inlet at the crank when it opens again. Don't do smaller dia.!!!

 H^^
Title: Re: Sig Magnum
Post by: MarcusCordeiro on April 05, 2013, 08:07:58 PM
Try to make the venturi  a little longer. On some engines, the velocity of the incoming air bounces off when  the crankshaft closes and lets fuel and air "backdraft". If you elongate the path, the momentum doesn't come back, it actually pressurizes the inlet at the crank when it opens again. Don't do smaller dia.!!!

 H^^

Thanks Rafael.

Marcus
Title: Re: Sig Magnum
Post by: MarcusCordeiro on April 07, 2013, 05:37:43 PM
A few adjustments in the engine cowl and that's it.
The pics requested...

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on April 07, 2013, 05:53:58 PM
Marcus,

WOW! That is shaping up!!

Can't wait for the finish. Colors?

Charles
Title: Re: Sig Magnum
Post by: wwwarbird on April 07, 2013, 11:16:33 PM

 Thanks for the full pics Marco, looking good. y1

 It's nice to see the whole airplane here to get a "feel". I'm looking for inspiration and ideas for whenever I decide to start mine, which will be modified. VD~
Title: Re: Sig Magnum
Post by: Bill Little on April 08, 2013, 05:55:17 PM
Looking great, Marcus, and should be a great flying model.  Never seen a Magnum that didn't fly well.

BIG Bear
RNMM/AMM
Title: Re: Sig Magnum
Post by: Glenn (Gravitywell) Reach on April 08, 2013, 06:56:38 PM
Congrats on your build Marcus.  I have always loved that plane.  Try going through your local Dollar store in the toy department.  I find all sorts of little scale-like figures to put in the cockpit. H^^
Title: Re: Sig Magnum
Post by: MarcusCordeiro on April 09, 2013, 11:18:47 AM
Guys

Thanks a lot.
With so many set backs that life, work, family, dogs, etc, make us go thru, building a nice ship, whatever it is, requires a lot of hard work and pacience.
I take a look at it and yhink "Spray the clear and go fly..."
But I, for once in my building career, would like to finish a model properly.
I'm going to have some  free time today, so will try to advance whatever it is that is missing, so I can shoot the first coat of dope....
Having your support, and I mean everybody who check this thread, is really motivating.
Colors will be white, blue and red, to match the "Magnum" sticker that came with the kit.
Just don't know how they will go.
maybe I should bother Marlus a little...
He owes me... Don't you Marlus??? LL~ LL~ LL~

Marcus
Title: Re: Sig Magnum
Post by: Marlus Lago on April 09, 2013, 02:36:12 PM

 Yeah man, just bring it on pal!!!!! ~>
Title: Re: Sig Magnum
Post by: Avaiojet on April 09, 2013, 07:42:45 PM
Marcus,

Looking really good. Really looking good!

I noticed you "V"d your stab also. A bunch of extra deflection from that.

Covering material?

Charles

Title: Re: Sig Magnum
Post by: wwwarbird on April 09, 2013, 09:15:22 PM

 I just gotta ask, why did you put the tip weight box on the top of the wing?
Title: Re: Sig Magnum
Post by: MarcusCordeiro on April 10, 2013, 04:19:41 AM
Wayne, Charles has asked the same question.
No special reason, just thought about doing it differently to see how it'd look.
So, got any ideas for yours?
Are you going to scratchbuild or is it a kit?
I think this ship has elegant lines. I might still have the FM with the report of the releasing of the kit by Sig.
They could offer iy again, don't you think?

Marcus
Title: Re: Sig Magnum
Post by: MarcusCordeiro on April 22, 2013, 09:26:57 AM
Borrowed my friend's incidence meter and decided to check the Magnum...
The first pic the screen kept switching 00.0 / 00.1... One has got to have a "light hand" to zero it properly LL~ LL~
Checked wrap too, nothing to report, as the difference was 00.1 from one wing to another. Guess that's OK
One note is that the meter is set for my friend's use, so he does it with the model upside down, therefore when you see the negative, it's actually positive n~

Not bad for some old-school eyeballing barnyard engineering.... D>K H^^

I've taken a break until I get my super fil for the fillets, thought I might improve the way I've been doing it and all the pros are for it...
I'll be doing some sanding meanwhile...

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on April 23, 2013, 04:40:14 PM
Marcus,

Here's the thing.

Place that gadget in many places along the LE/TE. See if it's consistant.  n~

Charles

Title: Re: Sig Magnum
Post by: MarcusCordeiro on April 23, 2013, 05:14:42 PM
Charles

I have, and was very happy to see it's OK... Not to mention a little surprised.. LL~ LL~ LL~ LL~ LL~ LL~

Marcus
Title: Re: Sig Magnum
Post by: MarcusCordeiro on May 08, 2013, 06:17:49 AM
I've done some serious sanding, and am ready to put on the dope coats.
I'll follow Robert's lead until primer is on.
About the colors, my friend Marlus has convinced me to go like the pic on the box, and he will be helping me out with painting/clear..
I didn't take pics 'cause it's only sanding, but it's getting very good.

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on May 08, 2013, 06:35:49 AM
Marcus,

No photos!

Are you slacking?  n~

Hey! Got a photo of the model pictured on the box?  :o

Can't wait to see the model completed.   H^^

Charles
Title: Re: Sig Magnum
Post by: RC Storick on May 08, 2013, 11:26:13 AM
If you have good eyesight your eye balling of parts with pratice is incredibly close. I can see a few thousands if I look and study. The finish is ALL in the sanding. Good eyes help here as well. Use the light method.
Title: Re: Sig Magnum
Post by: RC Storick on May 08, 2013, 11:36:46 AM
A few adjustments in the engine cowl and that's it.
The pics requested...

Marcus

If you use a women's emery board on these areas to make them flat and round. Next thing is on your next airplane the wing tip weight box access door goes on the bottom. I am not criticizing what so ever. I was studying your plane and I hope its a optical illusion but which wing is longer? Inboard or outboard?

Use the nail file in the flat and long postion. file one way around the edge and then the other. In a X pattern.
(http://stunthanger.com/smf/index.php?action=dlattach;topic=29996.0;attach=126658;image)
Title: Re: Sig Magnum
Post by: Bill Little on May 08, 2013, 02:50:27 PM
Hey, Marcus, it's looking real good!  The Magnum is always a good flying model.  Don't go too far overboard on the finish, don't let the weight get too high.

I am repairing our Magnum and hope to have it flyable by the time I can fly again.  I originally powered it with a Tower .46, then a ST G.51.  Might use a Randy Smith set up OS .45FSR this time.

Good Luck!

BIG Bear
RNMM/AMM
Title: Re: Sig Magnum
Post by: MarcusCordeiro on May 08, 2013, 03:07:00 PM
Thanks Bill and Robert

I'm really willing to have a great finish non this ship.

Robert, according to the plans, both panels are the same, there's no shorter panel.
i've done some sanding on the áreas you pointed out and they look much better now, and the more I sand, the better it gets.
Now, need to buy some 320 grit sand paper and dope is on... Then, guess what, more sanding...
But FWIW, I had this friend who used to own a paint shop, and he was specialized in hi-end models, like mercedes benz and bmw's?
He Always said exactly what Robert says, finishing is sanding, the paint will only show what's underneath with colors...

Robert, I'm not really sure of the emery board you're talking about. Could you post a pic, so I can be sure?

Thanks again people

Marcus

Title: Re: Sig Magnum
Post by: MarcusCordeiro on May 08, 2013, 03:26:42 PM
Ok, some pics...

Guys, don't be shy...

Just for fun, measured the wings and everything again, who am I to question Robert's eyeballing?? LL~
Wow, everything is fine...
I wish you guys could feel the wood, so smooth...
Let's continue with the one step at a time for it's been working great.
Oh, a question, should I do the superfil fillets before doping?? If so, will have to wait until I get it...

Marcus
Title: Re: Sig Magnum
Post by: Bill Little on May 08, 2013, 03:38:56 PM
Hi Marcus,

I like to apply the fillets after I have applied what ever covering I use, CF veil or silkspan, etc,.

BIG Bear
RNMM/AMM
Title: Re: Sig Magnum
Post by: Mark Scarborough on May 08, 2013, 04:06:20 PM

But FWIW, I had this friend who used to own a paint shop, and he was specialized in hi-end models, like mercedes benz and bmw's?
He Always said exactly what Robert says, finishing is sanding, the paint will only show what's underneath with colors...

Marcus



Robert is precisly correct, as is your friend,, However, just like practicing flying,, simply sanding (or practicing flying) does not insure success,, more QUALITY sanding ( or flying) makes the difference,,
so sand with a plan,, direction and discernement,, not willy - nilly,,
Title: Re: Sig Magnum
Post by: MarcusCordeiro on May 08, 2013, 05:02:14 PM
Robert is precisly correct, as is your friend,, However, just like practicing flying,, simply sanding (or practicing flying) does not insure success,, more QUALITY sanding ( or flying) makes the difference,,
so sand with a plan,, direction and discernement,, not willy - nilly,,

That is a must... Anyway, seen anything you think is not OK?
I'm pretty much done with sanding, gonna go with dope tomorrow. Hope I have enough for a first coat the whole model... ;)

Marcus
Title: Re: Sig Magnum
Post by: Randy Powell on May 09, 2013, 01:57:49 PM
Mark,

Do willy and nilly always hang out together? Does nilly sometimes go it alone?
Title: Re: Sig Magnum
Post by: MarcusCordeiro on May 09, 2013, 08:02:44 PM
First coat of dope is on...

Marcus
Title: Re: Sig Magnum
Post by: john e. holliday on May 10, 2013, 09:05:00 AM
Mark,

Do willy and nilly always hang out together? Does nilly sometimes go it alone?

Don't forget that they are related to helter-skelter. LL~ LL~
Title: Re: Sig Magnum
Post by: Mark Scarborough on May 10, 2013, 09:55:40 AM
Mark,

Do willy and nilly always hang out together? Does nilly sometimes go it alone?
actually, Willy and Nilly are interrelated,( please note proper capitalization of the names,, these omissions tend to make Nilly rather upset,, Willy could care less, just give him beer and a lawn chair and he is good), much as Jekyll and Hyde,,

and they have no affiliation with Helter Skelter whatsoever, and will vehemetly deny any such connection or comparisons,,
Title: Re: Sig Magnum
Post by: RC Storick on May 10, 2013, 11:32:20 AM
actually, Willy and Nilly are interrelated,( please note proper capitalization of the names,, these omissions tend to make Nilly rather upset,, Willy could care less, just give him beer and a lawn chair and he is good), much as Jekyll and Hyde,,

and they have no affiliation with Helter Skelter whatsoever, and will vehemetly deny any such connection or comparisons,,

I always thought Willy and Nilly were related to Heckle and Jekyll?
Title: Re: Sig Magnum
Post by: Randy Powell on May 10, 2013, 02:18:27 PM
But not Helter-Skelter.  Possibly a cousin of Flim-Flam.
Title: Re: Sig Magnum
Post by: john e. holliday on May 11, 2013, 09:33:30 AM
This is starting to be like the Barton Flying Club site.  They pick on each other also over there.
Title: Re: Sig Magnum
Post by: RC Storick on May 11, 2013, 09:44:02 AM
We are not picking on him! Just joking with flim-flam and willy nilly
Title: Re: Sig Magnum
Post by: MarcusCordeiro on May 11, 2013, 03:39:35 PM
You guys forgot Dumb and Dumber LL~ LL~ LL~

Flim Flam does ring a bell though... I wish I knew why... LL~
Title: Re: Sig Magnum
Post by: Randy Powell on May 11, 2013, 11:55:45 PM
I'm only picking on Mark, not Marcus.  8)

He's a big boy, he can take it.
Title: Re: Sig Magnum
Post by: wwwarbird on May 12, 2013, 08:36:25 PM
First coat of dope is on...

Marcus

 Marcus,

 You said above for us to not be shy so I'm going to mention, you're not done sanding yet. n1

 You still have more shaping to do in the areas that Sparky points out with his red arrows above. One example is to compare your rounded edges all around your fin and rudder to the squared and still unshaped ends of the stab and elevator. Looking things over, there are many areas where you can still do more rounding and finish sanding. Shaping details like this should be balanced throughout the entire model. These are the types of details that add just a little more time to a build, but it's spending that time that with the details that can make all the difference in the finished product. As inspiration, I sometimes try to think of it as every stroke of the sandpaper takes off that much more weight too.

 I mean no offense with my comments Marcus, just trying to help you progress... H^^
Title: Re: Sig Magnum
Post by: MarcusCordeiro on May 13, 2013, 04:29:40 AM
Wayne

Thanks for your words, and I agree with all of them.
The stab/elev tips are getting rounded for sure.
I'll post pics later.
Good advice is always welcomed... Like, for a first time I'll not pin the hinges.
Marlus is helping me with the painting and clear and he said we should paint everything apart and then glue the hinges, and as everybody here goes like that So will I.
I'll try my best to have a good looking model and learn all I can in the process.
Two things...
I'd still like a pic of that emery board, for I'm not really sure if I know what it is and who the heck is Flim Flam???

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on May 13, 2013, 06:36:53 AM
Marcus,

Not to late to make a change with that weight box.   n~

Looking really good!! Kudos!

Charles
Title: Re: Sig Magnum
Post by: MarcusCordeiro on May 13, 2013, 03:39:02 PM
So the Superfil has arrived! Congrats to Brodak for making it come so fast.
Have read the label and run a search here, anyway any tips I could use to get it nice?
I think making a template tool helps a lot, like the radius is smooth and even from the pics I've seen...
Let's see what I get.

Marcus
Title: Re: Sig Magnum
Post by: Randy Powell on May 14, 2013, 04:02:51 PM
Marcus,

Just don't worry too much about mistakes. The stuff sands pretty easy and has a very long work time. As much as a couple of hours depending on temperature.
Title: Re: Sig Magnum
Post by: Avaiojet on May 14, 2013, 04:47:58 PM
So the Superfil has arrived! Congrats to Brodak for making it come so fast.
Have read the label and run a search here, anyway any tips I could use to get it nice?
I think making a template tool helps a lot, like the radius is smooth and even from the pics I've seen...
Let's see what I get.

Marcus

Hey Marcus!

I thought you used Epoxy and micro-balloons?

I coppied your moves on that.

Now I gotta copy these moves?   LL~

Hey! Let me know which one you like the best. Probably superfil, it's gotta be lighter? Right?

Charles
Title: Re: Sig Magnum
Post by: MarcusCordeiro on May 14, 2013, 05:41:39 PM
Thanks Randy.
Well, most of the top builders use it and recommend it too, so why not?
The epoxi+microballoons works ok, but why not try something different?
It just seems better, and I'll know for sure...
Until the end of the week I shall do the new fillets , then a couple of pics with the wing tips and stab/elev tips sanded to shape.
Gonna buy sandpaper tomorrow... I'm out HB~>

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on May 19, 2013, 08:46:38 AM
Marcus,

HEY! HOW DO YOU LIKE THAT SUPERFIL!!

Wish it was white in color.

Should I toss my micro-balloons?

Charles
Title: Re: Sig Magnum
Post by: Randy Powell on May 20, 2013, 03:33:06 PM
I wish it was balsa colored but you can't have everything.
Title: Re: Sig Magnum
Post by: Mike Lauerman on June 12, 2013, 05:12:22 PM
>>I'd still like a pic of that emery board, for I'm not really sure if I know what it is and who the heck is Flim Flam???

Marcus<<


CAN (and will) someone please send Marcus a pack of emery boards?? 

Flim-Flam is the 'gremlin' that takes advantage of people's greed and turns it on them. Actor George C. Scott played "the Flim Flam Man" in a 'flim film'. (Whew!) 
Title: Re: Sig Magnum
Post by: MarcusCordeiro on June 12, 2013, 08:47:57 PM
Thanks Mike

Flim Flam is not related to pufnstuff, is he??

http://www.youtube.com/watch?v=OhpXuV-hzHM

 LL~ LL~ LL~

Marcus
Title: Re: Sig Magnum
Post by: MarcusCordeiro on June 14, 2013, 12:04:05 PM
Getting serious again...

Marcus
Title: Re: Sig Magnum
Post by: Randy Powell on June 14, 2013, 02:28:29 PM
Is it soup yet?
Title: Re: Sig Magnum
Post by: MarcusCordeiro on June 14, 2013, 03:17:41 PM
I sanded the ship for some 5 hours today, and gonna put on a second coat of dope.
I'm gonna have the primer on next week, if the weather agrees... %^@

Randy, my english is limited, what did you mean by soup yet?? ???
I hope it's something good... LL~

Marcus
Title: Re: Sig Magnum
Post by: MarcusCordeiro on July 08, 2013, 07:24:11 PM
So dope on and sanded, and Superfil is really super!!
Easy to use...
Primer is coming soon...

Marcus
Title: Re: Sig Magnum
Post by: Derek Barry on July 09, 2013, 04:38:13 AM
The plane looks great Marcus. I cant wait to see some color on it!

Derek
Title: Re: Sig Magnum
Post by: MarcusCordeiro on July 09, 2013, 04:43:17 PM
Derek thanks a lot!!
Ty, what you see is the adjustable rudder loose, not conected to the horn, that's why you see it with all that angle...

Now, I've put on 3 coats of raw dope, sanding each one, only the third was sanded with 600 and the plane seems sealed and ready for primer.
I ain't covering the balsa, so you guys think I should go with some more dope before primer?
I really don't want to screw up with this finishing...

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on July 09, 2013, 05:03:56 PM
Marcus,

Hey! Hey! Outstanding!!

Are you designing a scheme?

Won't be long for that.

Charles
Title: Re: Sig Magnum
Post by: Bill Little on July 09, 2013, 05:10:11 PM
Derek thanks a lot!!
Ty, what you see is the adjustable rudder loose, not conected to the horn, that's why you see it with all that angle...

Now, I've put on 3 coats of raw dope, sanding each one, only the third was sanded with 600 and the plane seems sealed and ready for primer.
I ain't covering the balsa, so you guys think I should go with some more dope before primer?
I really don't want to screw up with this finishing...

Marcus

Hi Marcus,

I would rather see you apply light silkspan to the entire structure before applying primer, etc......

Bill
Title: Re: Sig Magnum
Post by: MarcusCordeiro on July 09, 2013, 06:29:18 PM
Well

Gonna try to get some Carbon Veil then, I think it'll be easier than silkspan...
By the way, where have you guys been ordering silkspan?
The local shop says it's not available...

Thanks guys

Marcus
Title: Re: Sig Magnum
Post by: MarcusCordeiro on July 10, 2013, 05:55:20 AM
So, I'll be ordering the .2 carbon tissue from acp composites, and meanwhile, more dope and sanding.
Never worked with carbon tissue... It's gonna be fun.
3 yards should do the whole model, so I will order 4...

Marcus
Title: Re: Sig Magnum
Post by: john e. holliday on July 10, 2013, 09:19:52 AM
Remember not to back stroke with the brush as you put the carbon fiber down.   
Title: Re: Sig Magnum
Post by: MarcusCordeiro on July 10, 2013, 09:32:37 AM
Remember not to back stroke with the brush as you put the carbon fiber down.   

That's good advice, thanks again John!
Well...4-6 weeks delivery time... :P

Marcus
Title: Re: Sig Magnum
Post by: MarcusCordeiro on July 31, 2013, 12:59:04 PM
A little more...

Marcus
Title: Re: Sig Magnum
Post by: Dave Denison on July 31, 2013, 08:21:30 PM
Lookin Good Marcus.

Keep up the great work....finish is just around the next corner. Get sharp on this one so you can do a super job on the ROGUE !!!
 I'm getting the finish on mine as we speck.

Dave
Title: Re: Sig Magnum
Post by: MarcusCordeiro on August 01, 2013, 06:51:12 PM
Thanks guys.
Superfil is wonderful!!!
Doesn't run, mixes easily, easy to apply...
One more thing I discovered thanks to Stunt Hanger! 8) 8)

Marcus
Title: Re: Sig Magnum
Post by: MarcusCordeiro on August 07, 2013, 05:00:17 AM
Ok.
I've got some 3 yards of CV.
And some silkspan too.
What would be better? I know I cannot cover the whole model with the CV I got, so, where should I cover with CV and where with silkspan? I figure the flaps should have the CV....
Any advice?

Thanks

Marcus
Title: Re: Sig Magnum
Post by: Derek Barry on August 07, 2013, 07:34:39 AM
Ok.
I've got some 3 yards of CV.
And some silkspan too.
What would be better? I know I cannot cover the whole model with the CV I got, so, where should I cover with CV and where with silkspan? I figure the flaps should have the CV....
Any advice?

Thanks

Marcus

You can cover the entire plane with CV. I did everything except my wing which is an open bay wing.

Derek
Title: Re: Sig Magnum
Post by: Will Hinton on August 07, 2013, 08:28:49 AM
Marcus, you're going to love your Magnum and the way it flies!  I had one in the early 90's that was an overweight pig but flew fantastically. (72 oz.!)  I had Merco 60 in it and loved the airplane.  Why am I saying this?  Because I want you to really enjoy this ship and to encourage you.  You are doing a great job there, keep up the good work!
Title: Re: Sig Magnum
Post by: MarcusCordeiro on August 08, 2013, 11:34:18 AM
I've run a search here and found some nice tips.
It was said to dab the veil, so it won't "dissolve"... Doc said not to back stroke...
And should I go for the edges first, like silkspan? I tdoesn't seem so, there's no shrinking.
Will do the elevators first to have a taste, then move on to the rest of the ship.
Also, is there a right side to be laid down?? It was said the shiny side goes up...
Remember guys, firt time doing this, wanna do it right.

Thanks
Title: Re: Sig Magnum
Post by: john e. holliday on August 09, 2013, 09:02:32 AM
The package I had did have a shiny side and a dull side.   I only used the one package and said never again.  But, like other materials it takes practice and patience.  Oh, the shiny side is up.
Title: Re: Sig Magnum
Post by: MarcusCordeiro on August 18, 2013, 01:42:15 PM
There were a few spots I thought I could work on and sanded some more.
I was going to put some CV on but I had a little problem with the lights in the room and can only get it back tomorrow.
I'll try my best to give this ship a good finish... ;)

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on August 19, 2013, 07:52:34 AM

Hey! Hey! Marcus,

Your model is looking really good.  H^^

All downhill now.   #^

Will "you" spray the finish?

Or will you mask the model off and make trips to your local auto body shop, for each color, as I once suggested?

Charles

Title: Re: Sig Magnum
Post by: MarcusCordeiro on August 20, 2013, 06:06:00 AM
Hi Charles

Yes, I'm spraying the colors... But, before I spray the Magnum, I'm gonna do a couple ships, so I can have some practice.
I've sprayed clear already, but colors only using a rattle can.
Then, there's a ARF Nobler I'm rebuilding, which will be ship number 1 for painting, then the ThunderGazer, and only then the Magnum.
Look what I've found... They were in my mother's atttic....
Ink lines, here I come...It's gotta be a full package, right?

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on August 20, 2013, 02:23:10 PM
Marcus,

What were you doing in your Mother's attic?

Charles
Title: Re: Sig Magnum
Post by: MarcusCordeiro on August 20, 2013, 04:02:27 PM
I was looking for some old documents...
Found more than what I was looking for... ;)

Marcus
Title: Re: Sig Magnum
Post by: FLOYD CARTER on August 21, 2013, 02:05:18 PM
Marcus.  If you haven't yet tried carbon veil over balsa, you will like it.  I dope it down in pieces, and you can overlap pieces and it will not show.  CV sticks good and never comes loose around the edges like silkspan.  If you brush it too much it will come apart.  But thinned dope doesn't cause your paintbrush to drag.

Floyd
Title: Re: Sig Magnum
Post by: MarcusCordeiro on August 21, 2013, 02:34:51 PM
Thanks a lot Floyd.
i'm really looking forward to using the CV... #^ #^

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on August 22, 2013, 09:32:17 AM
Marcus,

House of Kolor?

Charles
Title: Re: Sig Magnum
Post by: MarcusCordeiro on August 22, 2013, 03:33:01 PM
So, carbon is on.
Have done only one side of one elevator, but Floyd nailed it on the head... Easier than silkspan and the edges are perfect.
I tapped the brush  gently and it settled down no problem.
Now I'm really excited to get this ship all covered.

Marcus
Title: Re: Sig Magnum
Post by: MarcusCordeiro on April 26, 2014, 05:37:28 PM
So, as I was doing the CV thing I thought I could work overtime and start preparing the Magnum the primer, since you people asked me to cover the wood...

Marcus
Title: Re: Sig Magnum
Post by: john e. holliday on April 26, 2014, 09:22:45 PM
How many planes are you working on?    I just finished putting the Poly-span on the Ringmaster Imperial and four coats of dope.   Now ready to rub down the ruff areas.
Title: Re: Sig Magnum
Post by: MarcusCordeiro on April 28, 2014, 06:17:49 AM
Doc

I am working on the Thundergazer, but it was good to take a little break, and since I had the veil and the dope on the bench, I grabbed the Magnum and advanced that.

Marcus
Title: Re: Sig Magnum
Post by: john e. holliday on April 28, 2014, 08:40:18 AM
Hey, a day on this one and the next day on the other, going back and forth you will soon have them done.   Should have had the Ringmaster Imperial done, but started on the Super Ringmaster as soon as Barry got the plans to me.   Still need a fuel tank on the scratch built S-1 Ringmaster.
Title: Re: Sig Magnum
Post by: MarcusCordeiro on April 28, 2014, 08:39:45 PM
I just felt like posting these...
Love this ship!!!

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on April 28, 2014, 09:12:45 PM
Marcus,

I look at those photos and laugh with joy. Way to go Marcus!  H^^

Absolutely Outstanding!

Pays to keep at it.  H^^
Title: Re: Sig Magnum
Post by: MarcusCordeiro on April 29, 2014, 10:51:00 AM
Thanks Charles!!

Marcus
Title: Re: Sig Magnum
Post by: Damian Paten on April 29, 2014, 09:32:35 PM
Hello Marcus.
Firstly, you are doing a fantastic job. Good to see a Magnum again.

Secondly, can I ask where you got the plans from???
I had one in kit form back in 89 and I would like to build another one. I just can't seem to find any plans.

Regards
Damian.
Title: Re: Sig Magnum
Post by: MarcusCordeiro on April 30, 2014, 12:50:47 PM
Damian

I bought a kit, so it came with the plans....
Anyway, if you can't find them anywhere, let me know...
I could try to get you a copy of mine though they don't show the root and tip pattern...
And as we are at it, is there anybody out there who could cut wings for this ship???
I could go for a number 2... You know... Nice ship... 8)

Marcus
Title: Re: Sig Magnum
Post by: Damian Paten on April 30, 2014, 06:29:39 PM
I see. Perhaps there's a small market for magnum plans. I dare say I wouldn't be the only person that would like a copy.
They are a great model. I can't believe nobody has drawn some up. Maybe someone has but they are very hard to find.


Title: Re: Sig Magnum
Post by: Noel Corney on April 30, 2014, 11:51:05 PM
Hey Damien , You can get an updated plan from Tom Dixon in collaboration with Randy Smith, I'm sure there are plenty of people prepared to cut wings, If not try Bob Hunt. Go to the classifieds also you might have some luck. Also go to the vendors corner. Noel.
Title: Re: Sig Magnum
Post by: Mike Mulligan on May 14, 2014, 03:58:50 PM
Wow Marcus, that really looks great!

Not sure why, but there is something about the look of the nose and spinner that make me think a WWII British paint job would really go well on this ship.

Thanks for sharing your build!
Title: Re: Sig Magnum
Post by: RknRusty on May 14, 2014, 07:42:48 PM
Great timing that this thread popped up.
I was presented a Magnum in Huntersville as a gracious gesture from the the Norfolk Aeromodelers. And I'm driving to Joe Nall Saturday to give it a flight and bring it to its new home. The thing is, I need to do some tape measuring of my cars to figure out just how I'm going to make that happen.

I believe the wingspan is 60". Can someone tell me how long the fuselage is? I'm hoping with the back seats out or folded down I'll be in business.
Rusty
Title: Re: Sig Magnum
Post by: James_Mynes on May 15, 2014, 04:22:39 AM
Tip of spinner to end of rudder is 47".

I have put the Magnum in a Subaru Outback with the rear seats folded down. It takes up a lot of real estate, but there is still room for a flight box and other stuff. Just don't put anything heavy behind it, in case you have to stand on the brake at some point.
Title: Re: Sig Magnum
Post by: MarcusCordeiro on May 15, 2014, 05:19:52 AM
Thanks Mike!
The first time I tried to put it into my compact, I realized I was in trouble...
I am sorry I haven't done more....Stuff keeps happening, and my life now is like a tornado...
I really want to do a good job with the finishing.. Just hope it doesn't get a little too heavy...

Marcus
Title: Re: Sig Magnum
Post by: Avaiojet on May 15, 2014, 05:52:14 AM
Marcus,

I had no idea or forgotten that your model was 60" in span.

You're gonna need a bigger boat!

Thinking color yet?
Title: Re: Sig Magnum
Post by: RknRusty on May 15, 2014, 05:56:35 AM
Tip of spinner to end of rudder is 47".

I have put the Magnum in a Subaru Outback with the rear seats folded down. It takes up a lot of real estate, but there is still room for a flight box and other stuff. Just don't put anything heavy behind it, in case you have to stand on the brake at some point.
Hmmm, if either of my cars was built around the Magnum, it would fit inside. I think it'll work. Thanks, Jim
Rusty
Title: Re: Sig Magnum
Post by: Will Hinton on May 15, 2014, 12:01:28 PM
Wow Marcus, that really looks great!

Not sure why, but there is something about the look of the nose and spinner that make me think a WWII British paint job would really go well on this ship.

Thanks for sharing your build!

You're absolutely right!  Of course, I did mine as a P-40 Warhawk in 1990.  It really wasn't a huge deal to change it over - just a little tweak here and there and it was done!
Title: Re: Sig Magnum
Post by: MarcusCordeiro on May 15, 2014, 12:50:51 PM
Charles

I guess I am going to do it like the prototype, the light blue with the red, White and blue trimming.
Yeah, bigget boat is a possibility, indeed...
Gee, that is going to be a lot of sanding.... LL~ LL~ LL~

Marcus