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Hours to Miles Formula

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Old 10-06-2005, 11:26 AM
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Default 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?
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Old 10-06-2005, 11:34 AM
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Default Re: Hours to Miles Formula

On most cars if you combine city and highway driving it is about 40 miles per hour!
 
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Old 10-06-2005, 11:49 AM
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Default Re: Hours to Miles Formula

1hour = 100 miles. Boat engines maintain a much higher constant engine rpm then cars.
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Old 10-06-2005, 11:57 AM
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Default 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.
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Old 10-06-2005, 01:12 PM
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Default Re: Hours to Miles Formula

The comon conversion in the heavy equipment world is 1 hour equals 20 miles.
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Old 10-06-2005, 02:42 PM
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Default 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.
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Old 10-06-2005, 02:51 PM
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Default 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.
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Old 10-06-2005, 09:48 PM
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Default 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.

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