RCU Forums

Go Back  RCU Forums > RC Airplanes > Extreme Speed Prop Planes
prop efficiency >

prop efficiency

Register
FAQ
Community
Calendar
Today's Posts
Search
Vendor Directory
Notices
Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

prop efficiency

Thread Tools
 
Search this Thread
 
Old 04-09-2007 | 10:22 PM
  #1  
1fasthitman
Thread Starter
Senior Member
 
Joined: Jun 2005
Posts: 172
Likes: 0
Received 0 Likes on 0 Posts
From: Sun Prairie, WI
Default prop efficiency
Does anyone know at what rpm a prop loses significant efficiency?
1fasthitman is offline  
Reply Like
Old 04-09-2007 | 11:05 PM
  #2  
KC36330
 
Joined: Apr 2006
Posts: 5,962
Likes: 0
Received 1 Like on 1 Post
From: Enterprise, AL
Default RE: prop efficiency
0 RPM.

kc
KC36330 is offline  
Reply Like
Old 04-09-2007 | 11:12 PM
  #3  
Mike Connor's Avatar
Mike Connor
Senior Member
My Feedback: (5)
 
Joined: Jan 2002
Posts: 2,025
Likes: 0
Received 0 Likes on 0 Posts
From: Tulsa, OK
Default RE: prop efficiency

ORIGINAL: 1fasthitman

Does anyone know at what rpm a prop loses significant efficiency?
Usually at critical Mach. Depending on the prop, that could be as low as .74 Mach.
Mike Connor is offline  
Reply Like
Old 04-09-2007 | 11:50 PM
  #4  
Munkster's Avatar
Munkster
Member
 
Joined: Mar 2007
Posts: 58
Likes: 0
Received 0 Likes on 0 Posts
From: USA
Default RE: prop efficiency
Here's another example of lost efficiency Who could this be?
Attached Images  
Munkster is offline  
Reply Like
Back to Subforum
Extreme Speed Prop Planes
View Next Unread
Patriot xl and C.G centering

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts
BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are On



Advanced Search

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.