Heliplane Websites
Challis Heliplane | The World's Fastest Rotorcraft Helicopter | 300+ M
The Challis Heliplane concept design offers simplicity, lower production and maintenance cost, while still providing high-speed capabilities. The Challis Heliplane can demonstrate smooth easy transition from hover to cruise, excellent control in the hover, capable of autorotation-engine off emergency landing, capable o
17,758,968
$
8.95
Advanced Aircraft Design
Advanced Aircraft Design at heliplane.org features designs of aircraft, heliplanes, gyroplanes, and even hydrocraft and automatic cars for educational purposes
Not Applicable
$
8.95
