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Go Back   SailNet Community > General Interest > General Discussion (sailing related)
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  #11  
Old 08-16-2006
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Hand-crank a Yanmar ... Yeah, right!!

The next person to start a Yanmar 3GM30 on a hand crank will be the very first and if someone says they've done it, plug him onto a lie detector because I don't believe it. And if they pass the lie-detector test, test his compression next, the engine's probably knackered.

I tried on mine using every known trick (other than connecting it to my main sheet!!) and never even got close. The broken wrist is about right.

And this is a little engine.
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  #12  
Old 08-17-2006
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My experience mirrors Omatako,

Little bitty Yanny on a nor'sea 27. The dudes batt fried. I (not a big guy) and two really big guys about died from exaustion, but coundnt get it to pop. It is to be said the little bugger did have compression release but the flywheel was pretty much non-existant.

Those volvo's have a good size flywheel and that might help. But for the most part.... just forget hand starting.

OH yeah, I miss the kick starts on bikes too.

Dewey
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Old 08-17-2006
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Have had several occasions where getting our 22hp Yanmar 3GM to start by handcrank would have been very convenient. Despite carefully following directions, releasing compression, cranking like mad, etc., not even a pop. We now carry a spare battery power-starter pack. It's easier to find and less rusty than the crank, though we haven't needed it...yet.
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Old 08-17-2006
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As a kid on a sail training ship we had a one cylinder diesel genny that we always started on a handcrank. It took a little practice but once you got the hang of it it went decompression, three spins, throw back the lever and voila! Perfect every time. To be fair, a one cylinder probably had a very heavy flywheel. Also the learning curve could be painful if you threw the lever at the wrong time and got a backfire. Wrist twist if you didn't let go, a crank in the chin if you did!

My folks also had a Lada car from Russia in the eighties that came with a crank and i tried that with sucess each time although to be fair, gas engines are easy.
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