Heino Brditschka from HB-Flugtechnik, who carried out the very first test flights with Rotax aircraft engines, recalls how Rotax’s original two-cylinder snowmobile engine found new purpose in ultralight flight during the 1970s. The tale was so extraordinary that Bombardier’s management, the owner of Rotax, had to see it with their own eyes. | Fly Rotax

894K views · 3.6K reactions | Mini Jet Boat Build: Fully Installing the Supercharged ROTAX Engines!! (Major Progress) | Cleetus McFarland | Facebook