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Old Jan 12, 2013, 06:56 PM
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1/4 Scale Tri Pacer Build from Vince Miller Plans

I have been kicking this one around for years. Actually had the plans and cowl about 10 years ago, but sold them before I ever did anything with them. Then for the last couple of years, I have been thinking more about it. I almost ordered the plans a couple of times, and was thinking about doing a smaller one.
Well, last month RCG member Chad Veich contacted me and told me his brother had a set of plans and cowl, with built tail feathers, and was I still planning to build one. Well of course I couldn't turn that down, so here I am.
This is a Vince Miller design, with an 89" wingspan. Should weigh between 14-17lbs. Even at the high end, it will be lightly loaded, for a model this size. I am thinking about using a 110 size motor on 5 or 6s. Will swing a scale 18" prop easy.
Here's a few pics of what I have so far. The fuse area around the cabin has a bunch of odd angles, and it took a lot of plans studying to figure it all out. I think I have it right, but will need to get a little farther along to be sure.
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Old Jan 13, 2013, 07:21 PM
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Fuse is pretty much framed up now. Still needs a few diagonals and some gussets.
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Old Jan 13, 2013, 07:24 PM
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Some misc pics, including a couple of color schemes I am considering. I am think of using a 1959 160 scheme, either red or green. The last pic is just cool.
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Old Jan 14, 2013, 06:39 PM
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Just couldn't resist:
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Old Jan 15, 2013, 09:49 AM
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Cumming, GA
Joined Sep 2004
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Have you seen this site?

There are scans of the 1959 brochure there in the "History" section. Got to make sure you have the correct "Montego Green" if that's the color scheme you go with.

Tom
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Old Jan 15, 2013, 06:45 PM
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Yes, I have that site saved. Lots of good info there, and a lot of good detail pics of his aircraft. I have downloaded the 1959 brochure, and the 1958 as well.
I am thinking about using dope and koverall on this one, mainly because I can get all the exact colors in Randolph dope. It's been 40 years since I did a model model in dope, so I will have to learn it all over.
here's that brochure for those who may be interested.
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Old Jan 16, 2013, 06:37 AM
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Slaton, TX
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I am on board for this one!!!

Trey
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Old Jan 16, 2013, 08:13 AM
Two left thumbs
Muncie, IN
Joined Sep 2006
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It appears that the Miller plan does a good job of rendering the odd bulge at the juncture of the cabin and rear fuselage. I'm a "Flying milkstool" fan, so I'll follow along.

Here's a good Tri-Pacer article: http://www.whyfly.aero/incredible-flying-milk-stool/

Geoff
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Old Jan 16, 2013, 12:49 PM
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Houston, Texas
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Hi, 101,
I am interested to know if Mr. Millers plans include scale operating flaps and ailerons? They would be airfoil in shape , hinged at the bottom, with the pivot point extended from the bottom trailing edge of the wing. I am looking for a cross section that shows the correct geometry ( I am drawing a 1/7 scale Tri-Pacer ).

If you have not noticed, Mr. Miller's cowling is for a Pacer, it is missing the distinctive Tri-Pacer oil cooler just below the spinner.

B. Bradley
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Old Jan 16, 2013, 07:10 PM
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Bradley,
No they are not true scale. It does have flaps, but they are top hinged, as are the ailerons.
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Old Jan 18, 2013, 07:14 PM
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Have not done much this week, just a few little tweeks here and there. May get some more work done this weekend, however, we got our field back and the weather is supposed to be nice. That will cut into my building. With nice weather, I hope to finally finish painting my 1/4 scale Space W alker as well. At least all the base color.
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Old Jan 19, 2013, 08:01 AM
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United States, GA, Ochlocknee
Joined Jul 2006
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The tri pacer has allways been my favorite airplane. I built the Sterling model as control line in the early 50's. I still have two kits of it that I may build one day.
Henry
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Old Jan 19, 2013, 02:01 PM
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My first Tri Pacer experience was when my father converted the Sterling model to U-control and flew it in local C/L Scale competition, about '62 or '63. He finished his in the earlier red and white scheme. When I was stationed in Korea in '73, I did the same as dad, but used a non-scale scheme. Have wanted to do an R/C version ever since.
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Old Jan 19, 2013, 04:14 PM
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Tagging in to follow

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Old Feb 16, 2013, 03:47 PM
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Well, I'm back working on the Tri Pacer. I took a break to finish up my 1/4 scale Space Walker II. It's now ready to fly on the first weekend that the weather cooperates. Here's a couple of pics.
Today I started making wing ribs. This is a set of main ribs for 1 wing half. I will need another set just like these for the opposite wing. There are also a couple ribs near the tips that are of a different pattern. I will likely just cut them seperately.
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