View Single Post
Old 08-14-2011, 06:26 PM   #24
Dennis V
kyleservicetech's Avatar
Join Date: Apr 2008
Location: Wisconsin, USA
Posts: 8,822
Thanked 764 Times in 743 Posts
Club: (I'm the newsletter editor)
Awards Showcase

Outstanding Contributor Award  3kW  2kW  100mph Speed Demon 
iTrader: (1)
Friends: (21)

Originally Posted by slipstick View Post
It's the prop size that's critical because it's the prop that creates the thrust. There are formulae available but they're quite complex involving motor losses, propeller efficiency etc so to get a good estimate of the thrust available most of us simply use one of the many motor calculator programs available, some online some not, some free, some not. See for a comprehensive listing of them.

Since you're attempting to fly a model with practically zero forward speed, seems you'd need a motor with low KV, low RPM and a large diameter prop for maximum thrust. Something like the rotor of a helicopter.

Retired and the days are just too short, busier than ever!
kyleservicetech is offline  
  Reply With Quote
Page generated in 0.04178 seconds with 17 queries