Offshoreonly.com - Hours to Miles Formula

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gripit

10-06-2005 10:26 AM

Hours to Miles Formula

Is there a Hours to Miles Formula? Is there a standard formula to convert hours to a boats engine to miles?

ATFastForward

10-06-2005 10:34 AM

Re: Hours to Miles Formula

On most cars if you combine city and highway driving it is about 40 miles per hour!

cstraub

10-06-2005 10:49 AM

Re: Hours to Miles Formula

1hour = 100 miles. Boat engines maintain a much higher constant engine rpm then cars.

CigDaze

10-06-2005 10:57 AM

Re: Hours to Miles Formula

Quote:

Originally Posted by cstraub

1hour = 100 miles. Boat engines maintain a much higher constant engine rpm then cars.

I wish I had that kind of ratio.

hillbilly24

10-06-2005 12:12 PM

Re: Hours to Miles Formula

The comon conversion in the heavy equipment world is 1 hour equals 20 miles.

muffman

10-06-2005 01:42 PM

Re: Hours to Miles Formula

On late model Gm trucks with the key on engine off press and hold the odometer trip reset and the engine hours will show. Kinda neat.

Wobble

10-06-2005 01:51 PM

Re: Hours to Miles Formula

My Garmin shows just under 20mph for moving time average.
It depends on how much no-wake you have to deal with.

That figure has been fairly consistant over the past few years.

afratki

10-06-2005 08:48 PM

Re: Hours to Miles Formula

Quote:

Originally Posted by cstraub

1hour = 100 miles. Boat engines maintain a much higher constant engine rpm then cars.

I always heard the same thing. Seems about right given boats cruise at 3000-3500 rpm while cars are more like 1500-2500 rpm.

Andrew

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