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Wisconsin Engines Single cylinder up to V4 engines.

Wisconsin Engines

Wisconsin THD crank-start alternative


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Old 01-22-2006, 08:27:34 PM
albngore albngore is offline
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Default Wisconsin THD crank-start alternative

I hope I'm in the correct forum. I have a wonderful Wisconsin THD on a log splitter I built, but as I get older that hand-cranking becomes difficult. Wondering if there is some way to use a hand-held electric motor, or drill, or something instead of hand-cranking?

I was considering using an old, large 1/2" drill and machining a shaft that could chuck into it and also fit the flywheel. However, don't I need some kind of over-running clutch on the shaft for safety? I'm sure others have looked for alternatives to hand cranking.

I'm a brand new guy here, so I hope I'm doing this right. Thanks, Brad.
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Old 01-22-2006, 08:49:03 PM
Bill Sherlock Bill Sherlock is offline
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Default Re: Wisconsin THD crank-start alternative

Brad,

Can't advise on the method you're proposing to start your engine but thought I'd mention that there's a Wisconsin THD with electric start on ebay at the moment. (Item number: 7582927006)

Bill
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Old 01-22-2006, 10:59:31 PM
Andrew Mackey Andrew Mackey is offline
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Thumbs up Re: Wisconsin THD crank-start alternative

Wisconson engines used 2 different kinds of starters. One is like a conventional auto starter, with a bendix drive that engages teeth in the flywheel. The other uses a starter - generater, belt driven off a large pully mounted in front of the cooling housing, on the crank. The belt drive starter cranks the engine, and them makes power to recharge the battery, after the engine starts. the starter - gen is a delco unit.
Andrew
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Old 01-23-2006, 06:43:30 PM
Shootist357 Shootist357 is offline
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Default Re: Wisconsin THD crank-start alternative

Quote:
Originally Posted by albngore
I hope I'm in the correct forum. I have a wonderful Wisconsin THD on a log splitter I built, but as I get older that hand-cranking becomes difficult. Wondering if there is some way to use a hand-held electric motor, or drill, or something instead of hand-cranking?

I was considering using an old, large 1/2" drill and machining a shaft that could chuck into it and also fit the flywheel. However, don't I need some kind of over-running clutch on the shaft for safety? I'm sure others have looked for alternatives to hand cranking.

I'm a brand new guy here, so I hope I'm doing this right. Thanks, Brad.

Here's a little trick I use...not sure if it will work on something as big as a THD, but you never know. I have a 1/2" heavy duty electric drill with a 1/2" ratchet extension chucked up. I hook this to a ratchet adapter for a breaker bar with a suitable coupling for the motor shaft. By starting up the drill, it cranks until the engine fires, then the engine overruns the ratchet mechanism. I simply pull back on the drill once the engine is running, and pull the ratchet extension out of the adapter...Kind of like a starter for a Indy race car.
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