Changing Propeller From 2 Blades to 3 Blades
 

Hi all

I have a motor KV =560 and battrey5 cells 18.4v andrequierd propeller 15 x 8 x 2 blades and I am using 12 x 10 x 2 blades I can'tuse the 15 x 8 because it will touch the ground soIwould like to change to3 blades.
What is the best 3 blades I can use ? and what is the diffrent between 3 blades and 2 blades?

Motor Specification:
http://www.fsd-motor.com/en_productview.asp?id=298

Thank You All

RE: Changing Propeller From 2 Blades to 3 Blades
 

I would say you could try a 13 x 10 3 blade. Normally you go 1 inch smaller diameter when switching from 2 to 3 blades. So go 2 inches less and slightly more pitch.

RE: Changing Propeller From 2 Blades to 3 Blades
 

I agree with Clark. Drop it down 2 and compensate by going up ONE degree on the pitch. You should be good to go! :)