Jul 7, 2020 #2 Gnomey Globetrotting Surgeon General Staff Mod 75,880 11,600 Joined Nov 28, 2004 Location Bristol / Southsea / Royal Deeside, UK Website www.flickr.com Good one!
Jul 15, 2020 #3 X xylstra Airman 1st Class 197 58 Joined Jul 9, 2014 johnbr said: Click to expand... It's a great vid. However, would like to know more about the prior piston-engine supersonic propleller research using swept-back, scimitar blades.
johnbr said: Click to expand... It's a great vid. However, would like to know more about the prior piston-engine supersonic propleller research using swept-back, scimitar blades.