Peter Rake 1/6 scale Fokker DR.I build - Page 11 - RC Groups
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Aug 04, 2012, 01:03 PM
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Trumps, that's the standard sheet size. I'm going to need 8 sheets to do her. I tried something I've never done before and used panel optimization software to layout the covering material. I use the this program to optimize material for work. You put in the dimensions of the pieces needed and it does the layout for you, minimizing waste. Don't know why I haven't used it before.

Pete, do you think I could replace the piano wire joiners for the middle wing with carbon fiber? The wire weight 1.1 oz.
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Aug 04, 2012, 01:50 PM
What's 3D?
trumps's Avatar
Ah, that would be typical, another case of our local hobby shops stitching us up, over here they sell the smaller sheets as the standard size. When I found the larger sheets at A2Z a couple of years back I thought I had struck gold
Software to optimise your covering usage is pretty flash, does it take into account the grain of the cloth as well or do you have to sort that out?

Aug 04, 2012, 02:08 PM
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Yes, it takes into account grain direction.
Aug 04, 2012, 03:22 PM
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Hmmm, As long as there are no sharp edges on the tubes it should be okay for your one-piece model. The other wings take most of the strain anyway. Don't know that I'd recommend it for a demountable version though - although you would get to see if they were at risk of failing.
I thought you seemed pretty well on track as regards weight. Probably almost that much to trim and sand off those leading edges.

Aug 04, 2012, 06:31 PM
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Cool, I was hoping you'd say CF would work.
I'm also glad to hear the weight seems about right so far.
Aug 08, 2012, 12:30 AM
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Motor and dummy motor mounted up. I used 1/8" balsa and 1/32" plywood to form a groove for the cowling to lock into.

Aug 19, 2012, 08:03 PM
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Just a few more details to work out and she'll be ready to cover.
No more square leading edges, Pete.
Progress since last post:

Last edited by hammerd; Aug 19, 2012 at 08:14 PM.
Aug 20, 2012, 12:44 AM
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Monza Red's Avatar
Looking good!
Aug 20, 2012, 05:14 AM
Make me a Gloster Gladiator!
SAPSPIT's Avatar
Very nice
Aug 20, 2012, 03:42 PM
Just fly it!
Beeg's Avatar
Hammy, you going with the same scheme?
Aug 20, 2012, 03:59 PM
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Being(feeling) ignorant, gotta ask, what is a cowl cable and its purpose?
Aug 20, 2012, 04:14 PM
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It retained the cowl on the full-size. Come on, you didn't really think they used four big screws, did you?

Aug 20, 2012, 04:19 PM
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Originally Posted by Beeg
Hammy, you going with the same scheme?
Hi Bryan. I've been giving that a lot of thought. I'm leaning that direction, because I really like it, but OTOH would like to do something different.
I'm open to suggestions. You know any interesting schemes?
Aug 20, 2012, 04:23 PM
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Lothar von Richhofen
Aug 20, 2012, 04:31 PM
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That's a good one. Visibility would be excellent, with the red and yellow at opposing ends.

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