What's your cruise RPM?
#1
Semper Fi
Platinum Member
Thread Starter
Join Date: Feb 2004
Location: Northeast Md.
Posts: 1,885
Likes: 0
Received 0 Likes
on
0 Posts
What's your cruise RPM?
What is your cruise RPM and speed? Currently I have a 21' with a 5.8l and I cruise 30 mph @3000 rpm. I would like my next boat to cruise at 50 mph under 3500 rpm. How much harder is it on the engine to cruise at 4k vs. 3k?
thanks,
Rob
thanks,
Rob
#9
10x
VIP Member
3500 rpm = 70 mph. 17 X 31 4 blade prop, 1.33 drive ratio.
__________________
Fountain powerboats rule "The Preacher"
Chicago Powerboat Club Director
[email protected]
www.chicagopowerboat.com
Fountain powerboats rule "The Preacher"
Chicago Powerboat Club Director
[email protected]
www.chicagopowerboat.com