SO I recently finished watching the Avengers, movie....again and could not help but get gitty, as the part with the f 35 going in to hover mode comes around. and lets just say I instantly wanted to make one of my own disgin In KSP, sadly the only parts pack that I know of that provides such engine types, is retro future and an outdated engine by bobcat. The retro future engine's and parts just clash with my whole idea amd style....they dont have enough moving parts and are a bit wonky to work w