I Whas looking for some good picture to the "What is it" game and stumble on a webbsite that have a lot of interesting info about the F.F.V.S J22 whits I used. so here's the link if you whanna know more about this plane.
what was is going to do that the Bramo and BMW 9 cylinder engines couldn't already do almost as well? It was going to need the C3 fuel to even get close to 1200hp.