Moderated Discussion Areas
ContinuousWave: Whaler Performance
|Author||Topic: Montauk Performance|
posted 04-12-2004 10:12 PM ET (US)
I have a 2002 Montauk which came standard with a Mercury 90hp Saltwater Series engine. I have a 13x17 inch SS prop by Power-Tech. No matter what I have done, I have been unable to get my boat past a top end speed of 36.4 mph (wot)as measured by a GPS. I know the boat is heavier than the previous model Montauk, however, my old Montauk (2000yr.) with the same engine and prop went 45.7 mph (wot)as measured by a GPS. Does anybody have any ideas on how I can at least hit 40 mph with my new boat? Thanks.
posted 04-12-2004 10:55 PM ET (US)
What is the motor rpm at 36.4 mph?
Is this a one-way run, or the average of two runs in opposite directions to cancel the effect of wind and current?
posted 04-13-2004 01:21 PM ET (US)
Put a Mercury 12.75 x 21 pitch aluminum prop on and you will get 41-42+ mph. I'm not sure about the new M170's but 17 pitch is too low for that motor on the Classic Montauk.
I have RPM's to spare at 41 mph with the same motor on an '84 Montauk.
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