Musculair
Musculair 1 and Musculair 2 are two human-powered aircraft designed and built by German academic and engineer Günther Rochelt.
Musculair 1
Rochelt designed Musculair 1 and completed building it in 1984. His son, Holger, won a Kremer prize in the same year for his flight over a triangular course, improving the record to 4 minutes and 25 seconds. In the same year, he set a world speed record at, receiving a second Kremer prize. Later that year, Holger and his sister Katrin, at that time still a child, became the first passengers in a human-powered aircraft.- Length: 7.20 m
- Wingspan: 22.00 m
- Wing area: 16.50 m2
- Glide ratio: 1:38
- Height: 2.20 m
- Mass of the aircraft: 28 kg
- Propeller diameter: 2.72 m
- Required minimum power: 200 watts
- Required performance : 280 watts
Musculair 2
Günther designed Musculair 2, and Holger slimmed down to just to reduce the total mass of craft and human, leading to him setting a new Fédération Aéronautique Internationale world record for a human-powered aircraft at on 2 October 1985. The record, which still stands as of 2023, was set over a circuit at the Sonderlandeplatz Oberschleißheim airfield, near Munich.- Length: 6.00 m
- Wingspan: 19.50 m
- Wing area: 11.70 m2
- Glide ratio: 1:37
- Height: 1.50 m
- Mass of the plane: 25 kg
- Propeller diameter: 2.68 m