RE: Sapac L-39 & T-45 Composite + Hoffman 70 Storm
Been flying my L-39 with the Hoffman Wild Beast/wemotec pro/CC125/XPS 4s 4000/1900 watts/4+ lbs of thrust. Plane is a bullet. Problem with the Strorm you need 5s to get the same thrust as the Wild Beast on 4s. Amps are higher but lighter weight. Great combination. Currently using this setup in the new F-86 from Horizon. Much faster because of swept wing.
Regards
Jay H