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Old 07-01-2022, 02:41 PM   #12
Eccentric Old Guy
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Join Date: Mar 2020
Location: Montana
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Default Re: How in heck does this thing work? (Nu rex)

Quote:
Originally Posted by Curtis in MA View Post
Paul times with the spark one notch down, then when he hand cranks the lever is fully retarded.
OK....that makes sense.

So full up means the spark happens further past TDC than it would have been if timed with spark lever all the way up. I think Shinn meant to be clear about that, but it wasn't so clear to me, from his video.

Everyone else who times #1 at TDC with spark lever all the way up, therefore runs the risk of a kick-back while hand starting with the crank handle. Might not make any difference, or very little difference when starting (and driving) using the electric starter motor.

eog
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