- Feb 5, 2008
Andy, it's hard to go wrong with an Airbike! The one we flew had a 40 hp engine and climbed about 750 fpm. Why not up the hp to 50 with a Rotax 503. With the right prop it should climb over 1000 fpm easily. Paul Feibich has flown his 503 powered Airbike for over a decade and still loves it.