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Old 07-03-2014, 04:50 PM   #1
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Country: UK
Location: Surrey
Occupation: Motorsport Development inc Engine Managment
Boat make: 21ft
Engines: Various
Cruising area: Solent / Kent / Cornwall

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Datalogging project for older engines...

Customer of mine asked if I could build him a datalogger/monitoring system for his OB. Just got something working in prototype form, part of it requires rpm measurement and datalogging of run time/hours... But the first challenge was to get it sensing at all.

Basically by making basic pick up and some basic filtering on the signal I have fed this into a small microprocessor and is snowing me engine RPM on my laptop... It will do a whole lot more than this to allow the owner to optimise prop/engine for speed etc, but this part was just testing that the pickup works...

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Old 07-03-2014, 05:06 PM   #2
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Cool, Keep us posted!
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Old 19-04-2014, 12:21 AM   #3
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Country: Netherlands
Boat name: Biaaatch
Boat make: Bernico
Engines: Merc.

Join Date: Jul 2009
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Same problem on dirtbikes, we use this.

Works great, have too look for the original, cotst around 40 euro .

al i can find on the web is china piece of shit.
Shows RPM en after motor is shut off, the hours.

looks like this. http://news.thomasnet.com/fullstory/...-design-507362
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