check out the best calculator for 3d/ xa = http://www.rcgroups.com/forums/showthread.php?t=2319003
12s 3700 ma seems like a lot of battery for the 3dhshop extra. its not a long plane (70in) so patern may not be as good as EF optons. on the other hand, there are many people who set up the ef 78 extra on 12s e power and say it flys wonderfully.
as for the red wing extra, the forum posting experts have not done the homework for ya. wil it fly wonderfully?
12s 3700 ma seems like a lot of battery for the 3dhshop extra. its not a long plane (70in) so patern may not be as good as EF optons. on the other hand, there are many people who set up the ef 78 extra on 12s e power and say it flys wonderfully.
as for the red wing extra, the forum posting experts have not done the homework for ya. wil it fly wonderfully?