Country: hamburg , germany
Interests: boating, audio , PC
Boat name: still without name
Boat make: Fletcher Arrowshaft 199
Engines: Yamaha 225
Cruising area: baltic sea
Join Date: Dec 2005
3 blade / 4 blade / 5 blade props
I have a question regarding the differences between a 3 , 4 and 5 blade prop!
If i will have 3 props of 20" pitch and a diameter of 13" , does somebody know what will happen to the RPMs??
how will the 4 and 5 blade props perform compared to the 3 blader?
I know , the more blades , the more acceleration you have , but less top end speed!
For example : i drive a 20" prop , 3 blade to 50 mph @ 5800 rpm.
What will be the result with a 4 blader and with a 5 blader if the diameter will be the same?
Is there a higher propslip with more blades?
Thanks in advance!