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Sep 25, 2011, 05:32 PM
I see, I like, I scratch...
hfsarber's Avatar
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'My' Guanli Icon A5 FINALLY flies....


.....but it took a new wing and a few other mods to make it happen.

Like others, it's been a to get this thing to fly without it going into a death spiral at anything less than full throttle.

This is actually the second wing I've fabricated for the A5. The first wing was semi-symmetrical, but it had the overall shape of the A5. It, too, suffered tip stall and 'dying duck' syndrome.

The wing that is on it now is better. Nothing special - curved top & flat bottom. Unfortunately, it has a little anhedral instead of dihedral which probably makes it a little more unstable. I did add a smidgeon of washout by bending and rolling the tips a little. That seems to have helped.

It takes off fine, but you can't yank and bank this thing. It also has a weird Corsair-like waggle. Haven't figured that one out yet. You have to land under power or else it will still tip stall, but it actually lands now.

Power system:
BP2217-9 950kv
APC 9x7.5 prop (195 watts WOT static)
3300 mah 30C battery

Harry
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