Lot's of people can't get the freestyle into a flat spin,
I am just about finished assembling mine with a thunder tiger .61 pro

(Just alittle noseheavy...
You don't have to change the landing gear! I just put a 2-56 rod across the gear and it should work great, also exchange the linkages with 2-56 and 4-40 rods and dubro saftey locks and ez connectors!...
-Nik