I have a great planes Tiger moth with os 91 turning a 13X8 master airscrew prop It flies amazing leaves the ground in about 10 ft and will slow to a crawl for landings its not the most acrobatic Bipe out there but loops and rolls nicly will due hammer heads and you can knife edge it but it takes a lot odf rudder I love mine with the stock fuel tank i get 20 minute flights if I dont get to wild PS Good choice going with Bipe the more the merrier is true with wings!!!