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Author Topic: My new "77"  (Read 7102 times)

Offline Claudio Chacon

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My new "77"
« on: May 12, 2012, 03:54:09 PM »
Hello guys, H^^
Here are some pics of my new "SeventySeven".
Specs:
Engine: Saito 72.
Prop: Top Flite Power Point 14"x6"
Weight RTF: 1815 grams (64,13 oz) with 1 1/2 oz. of tip weight.
Covering: Polyspan.
Dope colors.
Clear: PPG Deltron D880 with Deltron D841 catalyzer.

Regards to you all,
Claudio.

Offline Claudio Chacon

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Re: My new "77"
« Reply #1 on: May 12, 2012, 03:56:10 PM »
Some more...

Offline Claudio Chacon

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Re: My new "77"
« Reply #2 on: May 12, 2012, 03:58:07 PM »
...

Offline Claudio Chacon

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Re: My new "77"
« Reply #3 on: May 12, 2012, 04:00:21 PM »
 :)

Offline Claudio Chacon

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Re: My new "77"
« Reply #4 on: May 12, 2012, 04:02:13 PM »
The last ones!

Offline Clint Ormosen

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Re: My new "77"
« Reply #5 on: May 12, 2012, 04:06:31 PM »
Sharp! Love the simple yet effective paint scheme.
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Offline Howard Rush

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Re: My new "77"
« Reply #6 on: May 12, 2012, 04:34:37 PM »
Tasteful colors.  It will be a shame to get oil on it.
The Jive Combat Team
Making combat and stunt great again

Offline proparc

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Re: My new "77"
« Reply #7 on: May 12, 2012, 04:46:43 PM »
64 oz with a Saito 72. Man, this thing is going to go like stink. The vertical performance on this plane is going to be something else!

Milton "Proparc" Graham

Online Dennis Adamisin

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Re: My new "77"
« Reply #8 on: May 12, 2012, 05:54:11 PM »
Ditto what everyone else said first.  Another great job on the cowl too, I like how you let just the rocker covers poke through.



GREAT WORK!
Denny Adamisin
Fort Wayne, IN

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Offline proparc

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Re: My new "77"
« Reply #9 on: May 12, 2012, 06:28:33 PM »
Question Claudio, you built these before so, do you find you have enough flap to overcome the "DRIVE" of the big block with a 14x6?
Milton "Proparc" Graham

Online Matt Colan

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Re: My new "77"
« Reply #10 on: May 12, 2012, 06:45:41 PM »
Beautiful work Claudio!! Love the paint scheme
Matt Colan

Offline Juan Carlos Pesce

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Re: My new "77"
« Reply #11 on: May 12, 2012, 09:46:45 PM »
ˇFELICITACIONES AMIGO!

ˇOTRA VEZ EN CARRERA!

Offline john e. holliday

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Re: My new "77"
« Reply #12 on: May 13, 2012, 08:12:25 AM »
That is awesome. H^^
John E. "DOC" Holliday
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Offline Claudio Chacon

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Re: My new "77"
« Reply #13 on: May 13, 2012, 08:17:42 AM »
Thank you so much for your kind words, folks! I'm glad to know you liked it!
I'm really excited with my new toy...
I'll be heading to the club in a couple of hours for the first trimming flights so the flying reports will be coming soon.
Stay tuned...

Hi Milton,
Yes, the flap area is large enough to turn the plane and make pretty decent corners.

Offline Paul Taylor

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Re: My new "77"
« Reply #14 on: May 13, 2012, 08:19:26 AM »
Very Cool !!!!
I like the clean paint job. And the 3D effect on the dice.

Also can you show us how the cover for the landing gear cover worked out. That is very cleanly done.

Cheers!
Paul
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Offline Jim Hoffman

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Re: My new "77"
« Reply #15 on: May 13, 2012, 08:26:14 AM »
Very nice......great wood working and lots of Extra effort in the paint...........Notice that the bottom has all the graphics as on the top.  Also notice the black ink lines outlining the gray trim. 


Jim Hoffman

Offline Jose Luis Oterino

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Re: My new "77"
« Reply #16 on: May 13, 2012, 10:54:42 AM »
Estupendo trabajo Claudio... enhorabuena.
Un modelo realmente espectacular...

Offline Jose Javier Rodriguez

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Re: My new "77"
« Reply #17 on: May 13, 2012, 02:16:59 PM »
Hola Claudio, Expectacular acabado como siempre.

Disfrutalo!!!!!
« Last Edit: May 14, 2012, 08:56:46 AM by Jose Javier Rodriguez »

Offline SteveMoon

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Re: My new "77"
« Reply #18 on: May 13, 2012, 04:58:48 PM »
Looks great. I love the cowl work and the paint scheme.

Steve

Offline Bill Little

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Re: My new "77"
« Reply #19 on: May 13, 2012, 06:56:56 PM »
Extremely well done, Claudio!  I hope it is flying as good as it looks.  Best wishes for the upcoming contests.

Bill
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Offline proparc

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Re: My new "77"
« Reply #20 on: May 13, 2012, 07:39:41 PM »
Extremely well done, Claudio!  I hope it is flying as good as it looks.  Best wishes for the upcoming contests.

Bill

Bill, I hope your paying attention to this "big block" action for your upcoming project.
Milton "Proparc" Graham

Offline Luiz Dutra

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Re: My new "77"
« Reply #21 on: May 13, 2012, 08:16:48 PM »
FANTASTIC!!! y1

Luiz Dutra - Mococa/Săo Paulo - Brasil

Offline Randy Powell

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Re: My new "77"
« Reply #22 on: May 13, 2012, 08:57:50 PM »
Very cool, Claudio. I like it. Slick presentation.
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Offline PJ Rowland

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Re: My new "77"
« Reply #23 on: May 13, 2012, 11:23:51 PM »
Quite a nice model.

Almost Buddy Wiederish..

If you always put limit on everything you do, physical or anything else. It will spread into your work and into your life. There are no limits. There are only plateaus, and you must not stay there, you must go beyond them.” - Bruce Lee.

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Offline Claudio Chacon

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Re: My new "77"
« Reply #24 on: May 14, 2012, 06:09:31 AM »
Very Cool !!!!
I like the clean paint job. And the 3D effect on the dice.

Also can you show us how the cover for the landing gear cover worked out. That is very cleanly done.

Cheers!
Paul

Thanks Paul.
The LG cover is a filler piece that has a 3-32 birch ply base so you can tighten the bolts with no problems. The same three 4-40 bolts that holds the front part of the wing in place, holds the LG also. The two aluminum inserts you see are just pop rivets installed for aligment purposes. Strong and simple. See the pics:



Offline Claudio Chacon

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Re: My new "77"
« Reply #25 on: May 14, 2012, 06:19:32 AM »
Jim, Steve, Luiz, Randy, PJ...Thank you!

Juanca, Jose Luis y Jose Javier , muchas gracias por los comentarios!

Offline Claudio Chacon

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Re: My new "77"
« Reply #26 on: May 14, 2012, 06:32:05 AM »
Perfecto.  A magnificent piece of art. 20 points no doubt. From a master craftsman. g H^^ y1

Thanks a lot Ty! Concerning the finishing...it is a good one (a very good one, if you will) but definitely not a 20 pointer.
I have a lot to learn to be in the front row. Maybe one day I can try that "Zen Sanding and Buffing Technique" that Randy Powell masters...
In any case, thanks again.

Offline Larry Cunningham

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Re: My new "77"
« Reply #27 on: May 14, 2012, 07:16:35 AM »
Claudio,

Awesome workmanship, engineering and finish.. What a gorgeous model airplane.

I love your wooden fillets.

It's inspiring.

L.

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Offline Claudio Chacon

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Re: My new "77"
« Reply #28 on: May 14, 2012, 07:27:31 AM »
Extremely well done, Claudio!  I hope it is flying as good as it looks.  Best wishes for the upcoming contests.

Bill

Hi Bill and thank you very much!
I'm aware that you are about to install a Saito 72 in one of your new projects so let me share with you the set up I'm currently flying with, so to have a starting point:

- Saito 72 (control line carb version with Bob Reeves's mod you'll find here: http://www.tulsacl.com/SaitoCarb.html )
- 6 oz. RC square plastic clunk tank NON uniflow. I use a sinterized bronze clunk filter in the feed line instead of the bullet type one.
That bullet type clunk gave me very erratic shut offs at the end of the flight. This was completely solved with the sinterized bronze filter. Absolutely clean shut offs in EVERY flight now.
- 10% Nitro, 20% oil fuel (70% synthetic, 30% castor)
- Top Flite Power Point 14"x6".
- 8500 ground RPM's.
- 5.1/5.2 lap time.
- 4.1 ounces of fuel for a 6'30" flight time.
- I run on muffler pressure.

I'm a happy man with this configuration. The Saito 72 is a HELL of an engine! Hope it works for you too!

Best Regards,
Claudio.

Offline Claudio Chacon

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Re: My new "77"
« Reply #29 on: May 14, 2012, 07:39:07 AM »
Claudio,

Awesome workmanship, engineering and finish.. What a gorgeous model airplane.

I love your wooden fillets.

It's inspiring.

L.

"The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives." -Albert Einstein


Many thanks Larry! And I love the quotes you end all of your posts with.
By the way...I totally agree with Albert Einstein!

Offline proparc

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Re: My new "77"
« Reply #30 on: May 14, 2012, 08:52:11 AM »

I'm a happy man with this configuration. The Saito 72 is a HELL of an engine! Best Regards,
Claudio.


Your darn right it is!! I've been singing the praises of the 'big block" for a long time here on this forum. When other people can't fly, the 72 will chew through rough conditions like a hot knife through butter.

You have to remember, that the 72 was initially designed to pull a 7lb RC ship strait up into vertical from dead level flight. In Los Angeles, CA at Sepulveda field, I actually watched it pull a 7.5lb RC Mustang from a low level high-speed pass straight down the runway, into instant pure vertical transition.

When he landed, I showed him my 72 in my stunt ship, and he showed me his setup in his RC ship. I was running 10% nitro, he was running 15%.  I was using a six oz. tank, he was using a 12 oz. He was rolling with a 12x7 APC. I use a 12x6, (I prefer more spool up) I showed him a trick to keep the muffler from vibrating loose.
Milton "Proparc" Graham

Offline Bill Little

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Re: My new "77"
« Reply #31 on: May 14, 2012, 03:27:49 PM »
Hi Bill and thank you very much!
I'm aware that you are about to install a Saito 72 in one of your new projects so let me share with you the set up I'm currently flying with, so to have a starting point:

- Saito 72 (control line carb version with Bob Reeves's mod you'll find here: http://www.tulsacl.com/SaitoCarb.html )
- 6 oz. RC square plastic clunk tank NON uniflow. I use a sinterized bronze clunk filter in the feed line instead of the bullet type one.
That bullet type clunk gave me very erratic shut offs at the end of the flight. This was completely solved with the sinterized bronze filter. Absolutely clean shut offs in EVERY flight now.
- 10% Nitro, 20% oil fuel (70% synthetic, 30% castor)
- Top Flite Power Point 14"x6".
- 8500 ground RPM's.
- 5.1/5.2 lap time.
- 4.1 ounces of fuel for a 6'30" flight time.
- I run on muffler pressure.

I'm a happy man with this configuration. The Saito 72 is a HELL of an engine! Hope it works for you too!

Best Regards,
Claudio.

Thank you, very much, Claudio!  Seems like I will end up running a set up very similar to yours.

Thanks, again!
Bill
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Offline Les McDonald

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Re: My new "77"
« Reply #32 on: May 14, 2012, 04:39:48 PM »
Claudio, Claudio, what can I say except "two thumbs up" for your latest masterpiece!
I see people my age out there climbing mountains and zip lining and here I am feeling good about myself because I got my leg through my underwear without losing my balance

Offline Claudio Chacon

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Re: My new "77"
« Reply #33 on: May 15, 2012, 07:03:46 AM »
Thank you, very much, Claudio!  Seems like I will end up running a set up very similar to yours.

Thanks, again!
Bill

You're welcome Bill! H^^

Offline Claudio Chacon

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Re: My new "77"
« Reply #34 on: May 15, 2012, 07:13:22 AM »
Claudio, Claudio, what can I say except "two thumbs up" for your latest masterpiece!

Hello Les!
Thanks a bunch for your always encouraging remarks!

Kindest regards,
Claudio

Offline John Lindberg

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Re: My new "77"
« Reply #35 on: May 15, 2012, 12:43:10 PM »
Really pretty and well done, Claudio! #^

Offline Martin Quartim

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Re: My new "77"
« Reply #36 on: May 15, 2012, 10:27:42 PM »
Hi Claudio,

Hope one day I can meet you and see this beautiful model in action. Building a 77 is already on my wish list!

Warmest regards from Brazil!

Martin
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Offline Claudio Chacon

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Re: My new "77"
« Reply #37 on: May 16, 2012, 08:51:10 AM »
Really pretty and well done, Claudio! #^

Thanks John!

Offline Claudio Chacon

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Re: My new "77"
« Reply #38 on: May 16, 2012, 09:11:05 AM »
Hi Claudio,

Hope one day I can meet you and see this beautiful model in action. Building a 77 is already on my wish list!

Warmest regards from Brazil!

Martin

Hello Martin, long time no see!
Thanks, glad to know you liked my new toy...and twice as glad because you're going to build one! Really?
Now, you have GOT to keep us posted on the building process, with pics and everything! <=
William Shakespeare said once: "Better to be king of your silence than slave of your words" ;D

Receive my best regards,
Claudio.

Offline PJ Rowland

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Re: My new "77"
« Reply #39 on: May 17, 2012, 12:34:58 AM »
Claudio - Dissapointed in the cowl I expected another masterpiece..

Its good, not Purple TP good...
If you always put limit on everything you do, physical or anything else. It will spread into your work and into your life. There are no limits. There are only plateaus, and you must not stay there, you must go beyond them.” - Bruce Lee.

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 I Yearn for a world where chickens can cross the road without having their motives questioned.

Offline Claudio Chacon

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Re: My new "77"
« Reply #40 on: May 17, 2012, 12:33:26 PM »
Claudio - Dissapointed in the cowl I expected another masterpiece..

Its good, not Purple TP good...


Well PJ, there's not much room in the 77 nose to play with, plus the Saito72 is not only a much voluminous engine than the PA 61, but also has the cylinder head too far forward.
On the other hand, the idea in this plane was to keep the cowl size to a minimum in order to deal with the four strokes (alleged) tendency to vibrate more that 2 stroke engines. It worked exactly as expected, by the way. That nose is solid as a rock.
Anyway...sorry to dissapoint you :'(...I promise it won't happen again ;D VD~

Offline PJ Rowland

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Re: My new "77"
« Reply #41 on: May 17, 2012, 09:43:17 PM »
I mean seriously :
Compare the two :






HAHHA Im jsut stiring you Claudio.

Im jealous of that Purple models cowl.. it was a certain 10 out ot 10..

The new one is only a 9..  VD~
« Last Edit: May 17, 2012, 10:06:59 PM by PJ Rowland »
If you always put limit on everything you do, physical or anything else. It will spread into your work and into your life. There are no limits. There are only plateaus, and you must not stay there, you must go beyond them.” - Bruce Lee.

...
 I Yearn for a world where chickens can cross the road without having their motives questioned.

Offline Claudio Chacon

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Re: My new "77"
« Reply #42 on: May 18, 2012, 07:35:52 AM »
I mean seriously :
Compare the two :

HAHHA Im jsut stiring you Claudio.

Im jealous of that Purple models cowl.. it was a certain 10 out ot 10..

The new one is only a 9..  VD~

Mean boy!  LL~
Are you currently building something, PJ?

Offline PJ Rowland

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Re: My new "77"
« Reply #43 on: May 18, 2012, 05:30:57 PM »
Yes - Im in the finishing stages of my 2013 US NATS model.

If you always put limit on everything you do, physical or anything else. It will spread into your work and into your life. There are no limits. There are only plateaus, and you must not stay there, you must go beyond them.” - Bruce Lee.

...
 I Yearn for a world where chickens can cross the road without having their motives questioned.

Offline Claudio Chacon

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Re: My new "77"
« Reply #44 on: May 19, 2012, 12:56:18 PM »
Yes - Im in the finishing stages of my 2013 US NATS model.



Got some pics to share?

Offline proparc

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Re: My new "77"
« Reply #45 on: May 19, 2012, 03:00:51 PM »
Yes - Im in the finishing stages of my 2013 US NATS model.

I better see some vortex generators on those wings. mw~
Milton "Proparc" Graham

Offline PJ Rowland

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Re: My new "77"
« Reply #46 on: May 20, 2012, 04:04:08 AM »
I think he's talking to you Claudio....

No pics till i Finish the Cowl..

Your giving me a headache trying to get something 70% of what you did in the purple cowl.. Its difficult.

If you always put limit on everything you do, physical or anything else. It will spread into your work and into your life. There are no limits. There are only plateaus, and you must not stay there, you must go beyond them.” - Bruce Lee.

...
 I Yearn for a world where chickens can cross the road without having their motives questioned.

Offline Claudio Chacon

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Re: My new "77"
« Reply #47 on: May 20, 2012, 07:33:54 AM »
I think he's talking to you Claudio....

No pics till i Finish the Cowl..

Your giving me a headache trying to get something 70% of what you did in the purple cowl.. Its difficult.



Just take your time and don't rush it. You are an experienced builder...

Offline proparc

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Re: My new "77"
« Reply #48 on: May 20, 2012, 09:33:37 PM »
Claudio, how do you remove the tank?
Milton "Proparc" Graham

Offline Claudio Chacon

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Re: My new "77"
« Reply #49 on: May 21, 2012, 11:10:46 AM »
Claudio, how do you remove the tank?

By removing the engine first, Milton.
To me, this is a very small price to pay in order to have a rock-solid nose.


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