Igor I. Sikorsky Human Powered Helicopter Competition AeroVelo's Atlas human-powered helicopter conducted a flight that met all the requirements of the AHS International competition, and received the $250,000 prize. In the history of the prize, dozens of teams have designed and built human-powered helicopters, although few have made it airborne. The AHS competition was named in honor of Igor Sikorsky, one of the founders of the technical society. AHS initiated the prize purse at $25,000, but later raised it to $250,000. The first HPH to get off the ground was the "Da Vinci III" in 1989, designed and built by students at Cal Poly San Luis Obispo
Sikorsky S-10 by another 3050 mm and the Gnome engine was replaced by a stronger Monosoupape engine, the S-10 served as both a reconnaissance and trainer on floats with the Baltic Fleet. Russian test pilot Gleb Alekhnovich set a Russian record by flying non-stop 500 km in 4 hours 56 minutes and 12 seconds with the S-10. Data from "History of aircraft construction in the USSR". Sikorsky S-10 The Sikorsky S-10 was a Russian Empiren military twin-float seaplane that served with the Baltic Fleet from the summer of 1913 to 1915. After Igor Sikorsky built the successful Sikorsky S-6 for the Russian