M MilesDB Well-known member Apr 27, 2011 #1 There is a very interesting hybrid heli design by Sikorsky. Heli-plane? To view this content we will need your consent to set third party cookies. For more detailed information, see our cookies page. Accept third party cookies
There is a very interesting hybrid heli design by Sikorsky. Heli-plane? To view this content we will need your consent to set third party cookies. For more detailed information, see our cookies page. Accept third party cookies