Multi purpose design

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07 Jul 2012 18:03 #16 by Sangoma
Replied by Sangoma on topic Re: Multi purpose design

Tony B. AKA Blooper wrote: best scrap the idea then.

ho hum.



Not at all, the biplane/three way option is unusual, and there are plenty of builders around who are also beginners where a simple to build and flexible design would be nice.

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07 Jul 2012 23:27 #17 by Ex-Member
Replied by Ex-Member on topic Re: Multi purpose design
well i have made a start on a universal wing.
48" wingspan using stock lengths of 6mm and 9mm square.
ribs are 100mm apart so the sheer webbing is easy to do.
need to sort out the 2 ply ribs for the wing mount system when i get some ply.

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07 Jul 2012 23:44 #18 by Sangoma
Replied by Sangoma on topic Re: Multi purpose design
I like the wing construction, I always use square section inset into the front of the ribs, then take the sheeting over the square section, very stiff and light. I've now started always sheeting at least the last inch of the trailing edge too, putting that on top of the trailing edge strip, add a huge amount of strength for little weight.

It looks as if you have put the webs between the spars. I now stick them on the back of the spar, the fit is less critical.

I also found that Gorilla glue makes it a lot stronger, CA seems to allow it all to pop apart on impact.

I really like the wing, ideal for others to build.

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07 Jul 2012 23:48 - 07 Jul 2012 23:50 #19 by Ex-Member
Replied by Ex-Member on topic Re: Multi purpose design
the webs are on the front of the spars and is so simple to do as the ribs are exactly a sheets width apart, so you only have to cut them to height.
square section l/e like you said.
will be sheeted exactly as you describe, the capping strips on the ribs and its ready for covering.

i have found that ca glue holds very well when i crash, the wood tears before the glue gives out.
but the idea is not to crash. :P
Last edit: 07 Jul 2012 23:50 by Ex-Member.

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08 Jul 2012 01:00 #20 by kamco kid
Replied by kamco kid on topic Re: Multi purpose design

Tony B. AKA Blooper wrote: but the idea is not to crash. :P


told you before, not a crash it's a 'transformation landing' ;)

Rich

I NEVER crash, Sometimes I just land quickly in an unexpected manner

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08 Jul 2012 01:03 #21 by Ex-Member
Replied by Ex-Member on topic Re: Multi purpose design
i do transformation ladings every time then. :P

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08 Jul 2012 02:18 #22 by Eric
Replied by Eric on topic Re: Multi purpose design
Straying slightly, in response to an earlier comment - Ben Buckle does the Super 60 with either high or low wing The low wing one looks odd!

if you are calm and collected when all about you are going berserk - you've missed something important!

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