Quote:
PURPLE HAZE (1/28/2010)
Quote:
Run Dover (1/28/2010)If you guy's can/would, I would like to see what you come up with. I'm running the same motors, and would like to see if I'm running effeciently.
My dry wieght is 8,000lbs. For reference I was doing 39-40mph (GPS) going past Gene @ 4700rpm's. 650 lbs of crew, 70gal of gas, 40lbs of fish, 150lbs of ice.
|
Scot I don't feel so bad now. I was running 30 knots about 33mph at 4500 rpm's 3 big guys and 2 smaller ones 175 gallons of fuel and a cooler of fish. I think and hope that I can push the cruise speed up 3 to 5 knots, by increasing the pitch 1 degree and raising the engines one slot and also increasing the RPM's to 4700. I am going to Sherman in the morning and start testing again. I let you know what I find out. Gene
|
Thanks Gene,
Forgot to put upprop info.3 Blade Stainless Mercury Mirage 19P. Not sure of the diameter.
When I tried your 4 blades, (thanks for that) I ran 500-700 rpm higher and ran 5-10knts slower. I did "power" through the rougher seas better, and jumped up on plane faster.
I felt with your props that the motors were working to hard for the performance.
On the rig trip,with the 3 bladed props, the boat ran better at higher rpm, and speed (4100-4200) in 2 to occasional 3. It seemed we did not get beat up as much. Maybe jjam or Ocean Man could say what they thought.