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Old 13-11-2013, 15:07   #1
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Unusual time format on eng hour meter

The engine hour meter on my boat has four digits, a comma and two digits = 1234,56.

Any one know how many hours that is?

Its a 1986 Taiwanese built boat with a Spanish built perkins.
Thanks,
Mike

Yes, I can run it and track it to find out too.
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Old 13-11-2013, 15:12   #2
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Pretty sure that is twelve hundred hours, easy way to tell is to hook it to a 9V battery and see if the last digit clicks pretty fast, I assume Hobbs meter? Most will accept something like 6 to 36V
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Old 13-11-2013, 15:12   #3
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Re: Unusual time format on eng hour meter

Yes, its 1,234.56 hours in European format. They use commas instead of periods in the number format.
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Old 13-11-2013, 16:27   #4
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Re: Unusual time format on eng hour meter

six minutes is 0.1 hour, 0.01 hour is 6 seconds, 0.56 hours would then be 5X6=30 minutes plus 6X6=36 seconds, a pretty precise hour meter!
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Old 13-11-2013, 18:27   #5
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Re: Unusual time format on eng hour meter

It is an imperial, pre CE meter. You must read the digits backwards, then divide by 12. The result is in latitudinal minutes and must be multiplied by the cosine of your EP to get a metric result expressed in hours, minutes and seconds.

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Old 13-11-2013, 18:42   #6
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Quote:
Originally Posted by Roy M View Post
six minutes is 0.1 hour, 0.01 hour is 6 seconds, 0.56 hours would then be 5X6=30 minutes plus 6X6=36 seconds, a pretty precise hour meter!
No, 0.01hr is 36sec. So .56hr is 33.6 min.
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Old 13-11-2013, 18:53   #7
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Re: Unusual time format on eng hour meter

Since time is relative, what altitude and what speed are we talking about? Still, the most accurate hour meter I've ever heard of for a boat.
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Old 13-11-2013, 19:25   #8
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Re: Unusual time format on eng hour meter

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Originally Posted by mjones782 View Post
The engine hour meter on my boat has four digits, a comma and two digits = 1234,56.

Any one know how many hours that is?

.

nothing unusual about that...

that is display of full hours, 1/10 1/100 h.

1234,56

1234h

.56X60 = 33.6min

1234h 33min
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