Flettner Fl 282
Aircraft model
The Flettner Fl 282 Kolibri is a single-seat intermeshing rotor helicopter, or synchropter, produced by Anton Flettner of Germany. According to Yves Le Bec, the Flettner Fl 282 was the world's first series production helicopter. Wikipedia
Engine type: Siemens-Halske Sh 14
Designer: Anton Flettner
Range: 106 mi
Top speed: 93 mph
Manufacturer: Flettner
First flight: 1941
Number built: 24