|Feb 24, 2013, 08:37 AM|
Rubik R-22S Június-18 (1/3 scale)
After one year designing period I started to build my R-22S Yesterday.
Wingroot: 383,5mm HQ/W-2,5/14
Wingtip: 150mm HQ/W-2,5/10
Angle of attack: +2 deg
Wash out: -1 deg
Stab: NACA 0009
Weight: 8600 - 8900g
Wing load: 60 - 62 g/dm^2
Wing area: 144 dm^2
You can follow the construction here:
|Feb 24, 2013, 10:40 AM|
Very nice! There's something there that reminds me a bit of the Luňák (with Alsema Sagitta wing tips) !
(Oh, and welcome to RCGroups!)
|Feb 24, 2013, 12:18 PM|
Nice work.....one thing I see that is not optimum is that the wing joiner is not directly tied to the spar. Would have been ideal to have the joiner between the spar caps and the whole thing then bound with a Kevlar wrap....as is your relying on the strength of the ribs to transfer the load from the joiner to the spar.
|Feb 24, 2013, 02:06 PM|
Thanks all of you.
Yes, I know I have to reinforce the wing joing area.
I hope some epoxy concentrated with treecell will help, maybe with some glass fiber or kevlar. The gap is just about 1 - 5mm between the tube and the spar.
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