Thread: 20sf Prop?`
View Single Post
  #12  
Old 10-29-2012, 11:49 PM
Fr. Frank Fr. Frank is offline
Senior Member
 
Join Date: Oct 2003
Location: Shalimar, Florida
Posts: 2,265
Default

Quote:
Originally Posted by eggsuckindog View Post
I don't think most 20' boats need 4's except for maximum hole shot
Absolutely right. 4 blade prop increases stern lift by 30% over a similarly configured 3-blade, but reduces top end and mid-range efficiency. 4 blades are for hole shot, lower-speed handling and maneuverability.
__________________
Common Sense is learning from your mistakes. Wisdom is learning from the other guy's mistakes.

Fr. Frank says:
Jesus liked fishing, too. He even walked on water to get to the boat!

Currently without a SeaCraft
(2) Pompano 12' fishing kayaks
'73 Cobia 18' prototype "Casting Skiff", 70hp Mercury
Reply With Quote