The correct answer is the German Focke Achgelis Fa 61/FW 61. The German Focke Achgelis Fa 61/FW 61 had two three-blade rotors driven by a 160 hp engine mounted on either side of an existing airframe. It established various world records between 1936 and 1939.
The correct answer was submitted by intruder38, jeaton1, skybolt2003 and Viper has the Lead. intruder38, jeaton1, skybolt2003 all have 2 correct, wayne baker and Viper each have one correct. Question #3 will post shortly and thanks to all who participate!
Brian [C):-)]