Offshoreonly.com - Cruising Speed

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bert4332

04-18-2010 10:44 PM

Cruising Speed

What are the parameters to determine what a boat's cruising speed is?

thanx

Dave M

04-18-2010 11:13 PM

The best way is to use a flowmeter, Smartcraft, etc. to determine what your fuel usage is at given RPMs. Then you can calculate fuel usage vs. speed.

I think my best is at about 3500 RPMs which gives me about 55 MPH. According to my Diacom software, I'm burning about 14 GPH at 3500 rpm. So, that equals about 4 MPG. Not bad for a boat! :eek:

Griff

04-19-2010 04:35 PM

Generally it will be in the 3000-3800rpm range.

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