f4u
they fly great with a norvel .074. built one lat year, flew it at bowling green, ky., orlando, lake placid, stuart fla. so a lot of witnesses! had a slimline 4 oz tank, it would fly a LONG time! had 3 hs-81's, totally stock build. corsair blue ultracoat w/ lustercoat paint on cowl. looked great on a low flyby!