None of the other designs have even gotten close to v2.

But I think the profile i used for v5/6.. will make a decent wing!

• V2 = 21g @ 4V
• V6 = 15g @ 4v
• v2 5v = 36g
• v6 2s 7.2v = 60g!
• v2 2s 7.2v = 79g!

1. Just tested for a couple seconds but almost 4x thrust for double voltage crazy.
2. Rx with heatsink/ld293d = 14.76g so even with an extra battery it will fly. 
3. it might even fly with the extra 47g 900mah 2s pack for my rc rockcrawler.
4. will probably do a tricopter variation soon...