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Old Jan 29, 2013, 12:03 PM
wood is good
loNslo's Avatar
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Another RCSB site supporter, here.

Earl--I really like the way you added the hardwood dowels to ruggedize the edges. A model this size shouldn't be much affected by the added weight but will benefit in durability.
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Old Jan 29, 2013, 01:28 PM
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United States, MD, Elkton
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Target weights

loNslo- all my other 1/4 scale airplanes are at 18-19 lbs...The 'Coupe looks to come in at about 14 lbs. I feel I have 64 oz. of free rein here.

However-it will not be weighed until all test and adjustment flights and videos have been performed.

The 'hardening of the arteries' has the benefit of uniformly shaped edges, great for covering continuity.
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Old Jan 29, 2013, 01:41 PM
wood is good
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I think it's a great idea and have been toying with some thoughts on this since we met in my Monocoupe thread. I was thinking of using a small strip of CF over the balsa. Or even laminating some thin basswood to make the edges more durable. The dowel could save a lot of shaping. I could see making a special groove "plane" with a sharpened tube to facilitate creating a tight glue joint for the dowel.
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Old Jan 30, 2013, 05:49 AM
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What's going ON out there?

At some point, I'm going to need an instrument panel,so I googled some pictures.

I found one with an unbelievable wood finish...I had some mahogany door-skin plywood on hand,and cut out a pattern.

I'm going to contact a couple of instrument panel fabricators to see if they'll put their instruments in my panel.

In the last seven days, I've sanded and varnished it 7 times.I have finally filled the grain,so there is a glass-smooth finish on it.That wood resisted every step of the way, but I won.

I hope to get pictures up today.
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Old Jan 30, 2013, 07:33 AM
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Quote:
Originally Posted by epoxyearl View Post
At some point, I'm going to need an instrument panel,so I googled some pictures.



I'm going to contact a couple of instrument panel fabricators to see if they'll put their instruments in my panel.

.
Earl. Do you have any interest in building your own IP ?

I Fly Tailies http://www.iflytailies.com/ should have everything you would need.

One hint. The gauges are a little too large. For 1/4 scale models, I suggest the 1/5 scale instruments.

I built this Cessna 195 IP with those gauges and accessories, along with some parts machined by a friend.
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Old Jan 30, 2013, 08:28 AM
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Panel

Why,- yes,yes I do !

In that I like to do as much as I can, myself, what I was interested in doing was getting those period gauges as close as possible.

Your panel effort has inspired me to make my own.

I need to get to Grimes and get pictures of the panel in theirs....
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Old Jan 30, 2013, 09:48 AM
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So far, so good !

If you order from I Fly Tailies, the guage sizes are metric. I had to borrow some metric Forstner bits to do the holes.

Check your email, Earl. I sent you a surprise.
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Old Jan 30, 2013, 03:27 PM
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And a pleasant one it is, too ! Thanks, Tom. I can match all the gauges in the 'Coupe from what you sent...I think "Uncle George " sells those, for like a $1 a sheet.
I'm making a form to try to heat form clear covers for them.

The 8th and 9th coat of varnish finally filled the grain in the mahogany door skin panel.....man that wood is coarse.....But it's fine now. Glass smooth.
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Old Jan 30, 2013, 04:08 PM
wood is good
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Yeah, mahogany has a very open grain. For a glass-like finish (not practical for a real panel) the trick is, once you have all the grain filled, block sand it back down until there are NO divots. Then apply 2 top coats. Glass.
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Old Jan 30, 2013, 04:14 PM
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It's done just that way on real airplane panels. Jim White's Baby Ruth clipped wing has it's panel done that way. All period instruments too, none of that moving map stuff like that 195 panel!
Chris...
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Old Jan 30, 2013, 05:28 PM
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Elbow grease.

Yep- I used 3 wet coats at the beginning,and soaked the wood thoroughly. Then sanding across the grain, I applied the next 3 coats.sanding between each one.

The last three were sanded with a 2" wide block and wet paper,400,then 600, then 1200..

The finish is Helmsman Spar Urethane spray, by Minwax,clear gloss....Hefty price, but quality lasts forever. Dries in 12 hours,and sands with no 'rolling', just white dust.
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Old Feb 02, 2013, 06:42 AM
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Strutting around.

The idea popped into my head to do some research on the Monocoupe's details, as I'm going to make it a scale model.

The wing struts have always been a source of concern,for me, because they never look 'right' in pictures of models I see.

Well, it's no wonder- they're all different, it seems. Getting to the source of the strut tubing would be a good way to make some scale drawing I'd bet...

I found the original drawings, designed by Kawneer,,so I can rest, knowing mine will finally be correct....to a point..Tubing was purchased from different suppliers,with minor differences in profile, and materials....some mild steel,and others 4130...All met the required specs, so that's settled.

Google "Monocoupe restoration resources" and spend some time there.

The piece on wing tip bows and aileron fabrication is spellbinding.
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Old Feb 02, 2013, 05:50 PM
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The "big" picture

I had a picture enlarged to place on my wall as inspiration while I am building the "coupe.
I liked it pretty well,so wracked with cabin fever, me'n the dog went to the copy shop and had a "Big" one made....

It's seven feet long, by five feet high and puts you right in the hangar with the full sized one.

A little discrepancy rose up and smit us, but it's okay....we're missing 2" out of the middle.
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Old Feb 02, 2013, 10:26 PM
wood is good
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Quote:
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...A little discrepancy rose up and smit us, but it's okay....we're missing 2" out of the middle.
Are you taking more poetic license?
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Old Feb 03, 2013, 06:42 AM
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ha ha

It's all that Bible training I received as a child.....every once in a while something comes out that surprises even me !

The copyshop said they'll do it over for me...They always do so well,that I didn't proof read it....

The missing space presents the 'Coupe as a Biplane....Sacrilege !
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