Author Topic: New build (Read 82454 times)

Mark Scarborough · « **Reply #100 on:** February 09, 2013, 10:46:46 PM »

Hey Randy, I might have a spare,, come get it

Randy Powell · « **Reply #101 on:** February 10, 2013, 01:36:20 PM »

Gee Mark, thanks. But I have a local tool place that carries the 56 1/8" band saw blades I use.

wwwarbird · « **Reply #102 on:** February 10, 2013, 08:05:38 PM »

Quote from: Mark Scarborough on February 09, 2013, 10:46:46 PM

Hey Randy, I might have a spare,, come get it

Yeah, I think it's hanging on a nail right next to the 109. Doh!

Mark Scarborough · « **Reply #103 on:** February 10, 2013, 09:12:00 PM »

Quote from: wwwarbird on February 10, 2013, 08:05:38 PM

Yeah, I think it's hanging on a nail right next to the 109. Doh!

Dude,,, that was harsh man,, really harsh,, I could be hurt,,

Randy Powell · « **Reply #104 on:** February 10, 2013, 10:17:15 PM »

You sort of walked into that one, Mark.

The wing is ready for sheeting finally, bringing this thread back on course. And I'm stalled again - ran out of glue. Oh well, I'll hit the hobby shop this week, I guess...if I can find one.

Mark Scarborough · « **Reply #105 on:** February 11, 2013, 11:38:46 AM »

Quote from: Randy Powell on February 10, 2013, 10:17:15 PM

You sort of walked into that one, Mark.

The wing is ready for sheeting finally, bringing this thread back on course. And I'm stalled again - ran out of glue. Oh well, I'll hit the hobby shop this week, I guess...if I can find one.

Randy, I picked up some spare glue this weekend,, and YES its right next tot he cowl and flaps for the 109,, since I am obviously not building,, ALL my glue is spare,, LOL

wwwarbird · « **Reply #106 on:** February 11, 2013, 11:49:50 AM »

Quote from: Mark Scarborough on February 11, 2013, 11:38:46 AM

Randy, I picked up some spare glue this weekend,, and YES its right next tot he cowl and flaps for the 109,, since I am obviously not building,, ALL my glue is spare,, LOL

Randy Powell · « **Reply #107 on:** February 17, 2013, 02:43:08 PM »

The wing is framed but needs sheeting. I don't have sheeting that I want to use, so I'll have to wait on that until Tuesday when I can get by my secret emergency balsa supplier. Then I'll get that done. In the mean time, I'll finish the tail plane and rudders, I suppose.

It's coming along and I just got an email from Hobby King that my batteries are being shipped! That only took 9 weeks.

Randy Powell · « **Reply #108 on:** February 18, 2013, 06:43:56 PM »

So, a weird thing happened today. I went to a sort of local hobby shop (half hour away) to buy some CA. I got that but I decided to cruise through the balsa bin. It was all Midwest balsa. Shockingly, I found some really light balsa. Ended up spending a lot more cash than I had intended, but got quite a few pieces of very light balsa. Cool.

So, wing is ready to put sheeting on as is the stab. There is a very upscale jig I'm using to keep the stab flat when putting on the sheeting but I thought I'd leave that out since it's too upscale to display. I wouldn't want to make anyone jealous.

Mike Keville · « **Reply #109 on:** February 18, 2013, 08:10:00 PM »

Lookin' good so far, Randy. Hope to see you back here for VSC-25.

Randy Powell · « **Reply #110 on:** February 18, 2013, 08:53:47 PM »

Mike,

I won't be back at VSC until 26 unfortunately.

Bill Morell · « **Reply #111 on:** February 19, 2013, 03:39:07 AM »

Now this is what a real "Build Thread" looks like. Beautiful work as always Randy.

Randy Powell · « **Reply #112 on:** February 19, 2013, 09:41:50 AM »

Thanks, Bill. This is the part that always seems to go so slow; building components. Once they are done, it goes pretty fast...at least until finishing starts.

john e. holliday · « **Reply #113 on:** February 19, 2013, 12:54:02 PM »

Yeah, good flat cement blocks do help keep a peice flat while the glue sets.

Randy Powell · « **Reply #114 on:** February 19, 2013, 03:07:30 PM »

Lead weights and a jig in this case.

Dave Denison · « **Reply #115 on:** February 19, 2013, 09:45:50 PM »

Randy

You have been holding back on all the pictures.........we need pictures...please!

Regards
Dave
ama41041

MarcusCordeiro · « **Reply #116 on:** February 20, 2013, 05:34:11 AM »

Quote from: Dave Denison on February 19, 2013, 09:45:50 PM

Randy

You have been holding back on all the pictures.........we need pictures...please!

Regards
Dave
ama41041

I second that....

Marcus

Tim Wescott · « **Reply #117 on:** February 20, 2013, 09:11:17 AM »

Quote from: MarcusCordeiro on February 20, 2013, 05:34:11 AM

I second that....

Marcus

Third. C'mon Randy -- nothing slows down a project like taking pictures!

Randy Powell · « **Reply #118 on:** February 20, 2013, 04:42:25 PM »

I took some of the stab, but the camera batteries died and they didn't copy. I will get some new batteries and take some more pictures in a couple of days.

Randy Powell · « **Reply #119 on:** February 23, 2013, 06:31:08 PM »

So, one side of the wing is done. Flipped it over and will sheet the other side tomorrow. And here's my trick stab jig.

wwwarbird · « **Reply #120 on:** February 23, 2013, 07:08:10 PM »

Looks great Randy!

Randy Powell · « **Reply #121 on:** February 23, 2013, 07:45:20 PM »

Well, Wayne, it's interesting.

Avaiojet · « **Reply #122 on:** February 23, 2013, 11:40:22 PM »

Randy,

That's really a great looking wing!

Outstanding!

Charles

Randy Powell · « **Reply #123 on:** February 24, 2013, 10:29:14 AM »

Checking weight at various stages is always interesting. Not sure what it will mean in the end, but i weighed the wing when I had it out of the jig (turning it over to sheet the other side). It weighed 6.8oz. Now, that's without leading and trailing edge sheeting but with the tabs for the jig and before shaping. also with controls but without horn. Like I said, not sure what that means, but my best guess is it will be somewhere under 10oz without flaps when everything is said and done.

Probably a week or so from putting the parts together into something resembling a plane.

Bill Morell · « **Reply #124 on:** February 24, 2013, 11:35:17 AM »

Quote from: Randy Powell on February 24, 2013, 10:29:14 AM

Checking weight at various stages is always interesting. Not sure what it will mean in the end, but i weighed the wing when I had it out of the jig (turning it over to sheet the other side). It weighed 6.8oz. Now, that's without leading and trailing edge sheeting but with the tabs for the jig and before shaping. also with controls but without horn. Like I said, not sure what that means, but my best guess is it will be somewhere under 10oz without flaps when everything is said and done.

Probably a week or so from putting the parts together into something resembling a plane.

You could always drill a bunch of strategic holes...........

Randy Powell · « **Reply #125 on:** February 24, 2013, 07:01:29 PM »

OK, the wing building part is done. Have to get it out of the jig and shape the tips, cut off the jig tabs and such, but overall, it's done (a pic below of the bottom). the stab is also done. With the unshaped tips on the end, it weighs an ounce, so I'm feeling pretty good about that.

MarcusCordeiro · « **Reply #126 on:** February 24, 2013, 07:26:31 PM »

Gee, that looks fantastic...

Marcus

Randy Powell · « **Reply #127 on:** February 24, 2013, 09:38:34 PM »

It's an interesting build. I hope the nose doesn't end up being too long. But I guess we'll see.

Randy Powell · « **Reply #128 on:** February 25, 2013, 07:56:30 PM »

I was thinking about paint schemes after reading the thread on Sparky's plane and the paint scheme for this plane hit me all at once. So, I already have the paint scheme worked out and I already have most of the colors.

And I just want to say that building an elliptical wing that is also elliptically tapered (and keeping it straight) is a pain in the tookiss.

wwwarbird · « **Reply #129 on:** February 25, 2013, 08:46:24 PM »

What's the wing weigh now?

Randy Powell · « **Reply #130 on:** February 26, 2013, 09:26:08 AM »

Wayne,

I will check the weight again after I get it out of the jig and get the tabs cut off and the sanding done. That is to say, I don't know because I haven't taken it out of the jig yet.

Avaiojet · « **Reply #131 on:** February 26, 2013, 09:49:51 AM »

Randy,

Coming along nicely!

I gotta ask.

What is that black tube, looks like CF, in your outboard wing?

Is it for weight?

Myself and others, for our R/C pattern ships, would have a short tube placed on each wing tip at the CG for need weight.

Charles

Randy Powell · « **Reply #132 on:** February 26, 2013, 01:09:09 PM »

It's an eligant way to do a tip weight box.

Avaiojet · « **Reply #133 on:** February 26, 2013, 03:16:44 PM »

Quote from: Randy Powell on February 26, 2013, 01:09:09 PM

It's an eligant way to do a tip weight box.

Randy,

OK, then I got it right. That tube "is" for the weight.

Charles

Randy Powell · « **Reply #134 on:** February 26, 2013, 03:45:06 PM »

I have a dozen brass tubes with weight from .10oz on up in .10 oz increments. The slide easily into the tube and allow fairly fine adjustment. Thanks to Ted Fancher for the idea.

Randy Powell · « **Reply #135 on:** March 01, 2013, 07:44:55 PM »

Wing is done. 10.21oz. Missed it by that much.

Randy Powell · « **Reply #136 on:** March 03, 2013, 07:36:54 PM »

OK, here are a couple of pictures. One is the completed wing and the other a picture of the battery carriage. It's still rough, but you get the idea.

MarcusCordeiro · « **Reply #137 on:** March 04, 2013, 05:10:16 AM »

Looking good Randy!

Marcus

Bill Little · « **Reply #138 on:** March 04, 2013, 07:52:23 AM »

What you have shown so far is some pretty work!

Bill

Randy Powell · « **Reply #139 on:** March 04, 2013, 09:27:31 AM »

Going to have to build a new stab, unfortunately. It's got a bend in it that just doesn't want to come out and I'm not very happy with the flex. So, will have to back up and do it again. Sigh....

Such is life sometimes.

Doug Moon · « **Reply #140 on:** March 05, 2013, 07:52:12 AM »

Randy,

Can you show a couple of the brass tubes and how you attach them into the TW tube? Is that a standard arrow shaft? What size brass tube? Do you glue the weight in each brass tube?

Sorry for so many questions.

Thanks

Will Hinton · « **Reply #141 on:** March 05, 2013, 08:31:07 AM »

Randy, your battery box is a really clever design! Way to go!

Randy Powell · « **Reply #142 on:** March 05, 2013, 10:07:23 AM »

Doug,

The tude is carbon fiber. I will have to measure as I don't remember the size. The brass tube fits snugly inside. I melt lead into the brass tube (pre-weighed) and build the tubes in about .10oz increments. I also solder a little piece of music wire across the end of the tube so they can be pulled out with a little tool I made. The end of the box is threaded for a set screw.

Will,

I was trying to insure as much airflow around the battery as I could. The whole thing weight about .25oz. I wanted something that would keep the battery in place but could be moved around in the nose for CG adjustments. It's interesting anyway.

I'll post some pictures of the tip weight tubes.

Tim Wescott · « **Reply #143 on:** March 05, 2013, 11:36:56 AM »

Quote from: Randy Powell on March 05, 2013, 10:07:23 AM

The tude is carbon fiber. I will have to measure as I don't remember the size. The brass tube fits snugly inside. I melt lead into the brass tube (pre-weighed) and build the tubes in about .10oz increments. I also solder a little piece of music wire across the end of the tube so they can be pulled out with a little tool I made. The end of the box is threaded for a set screw.

...

I'll post some pictures of the tip weight tubes.

Yes, please. Your description just raises more questions than it settles.

Why not just something that'll take BB's, or washers, with a spring or some foam to keep things from rattling?

(And I believe that "'tude" is spelled with an apostrophe; I knew you could have a bad 'tude, an in-your-face 'tude, a stylish 'tude, etc. -- but I didn't ever imagine you could have a carbon fiber 'tude).

Randy Powell · « **Reply #144 on:** March 05, 2013, 02:38:10 PM »

Everybody's a smartass.

I'll take some pictures.

(I'll give you some 'tude...)

john e. holliday · « **Reply #145 on:** March 06, 2013, 09:52:33 AM »

Isn't that what's great about this forum.

Randy Powell · « **Reply #146 on:** March 06, 2013, 08:27:58 PM »

I have to say, this electrical stuff is confusing. This connector or that one, this plug or that one. Will this work? No. How about that. I need a manual, not for how to hook it up, but for what to use. Sheesh!

John Hammonds · « **Reply #147 on:** March 07, 2013, 04:29:46 AM »

Item 1 on my list of "Things no one ever told you about" is while you might expect packs of the same size and capacity etc from different manufacturers to be different dimensions you will also find packs from the same manufacturer of the same size and capacity can also differ in size (And Weight).

I mention this because your battery tray is great but be prepared to build several and place them further forward or aft as necessary.

TTFN
John.

Tim Wescott · « **Reply #148 on:** March 07, 2013, 08:56:44 AM »

Quote from: John Hammonds on March 07, 2013, 04:29:46 AM

Item 1 on my list of "Things no one ever told you about" is while you might expect packs of the same size and capacity etc from different manufacturers to be different dimensions you will also find packs from the same manufacturer of the same size and capacity can also differ in size (And Weight). I mention this because your battery tray is great but be prepared to build several and place them further forward or aft as necessary.

Different discharge rate capabilities will affect the weight, all else being equal.

We're kind of at the mercy of the market -- the pack manufacturers don't manufacture the cells, so they don't have control over when they'll fall out of availability, or when something better will come along in a different size.

So yes, battery trays that are designed so that you can adjust them to the battery, or so that you can whip out a new one of a different internal size quickly, are a good idea.

john e. holliday · « **Reply #149 on:** March 07, 2013, 09:30:11 AM »

Quote from: Randy Powell on March 06, 2013, 08:27:58 PM

I have to say, this electrical stuff is confusing. This connector or that one, this plug or that one. Will this work? No. How about that. I need a manual, not for how to hook it up, but for what to use. Sheesh!

This is why I am waaiting now for the Take Apart Ringmaster E-Power to be ready as a complet set with power, accessories and kit. Just hope they keep it under a grand.