PPRuNe Forums - View Single Post - Prop speeds
Thread: Prop speeds
View Single Post
Old 4th November 2012 | 21:41
  #16 (permalink)  
barit1
20 Anniversary
 
Joined: Feb 2005
Posts: 4,581
Likes: 0
From: flyover country USA
R-1340 prop speeds
There are both direct-drive and geared (3/2) versions; the direct-drive model is much more common. The geared version (R-1340-AN-2) was built primarily for large blimps, with oversize prop for low-speed efficiency.
barit1 is offline  
Reply
0