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Old 10-23-2020, 12:54 PM   #29
BRENT in 10-uh-C
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Join Date: May 2010
Location: Eastern Tennessee
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Default Re: Time lapse Model A engine build

Quote:
Originally Posted by 30 Closed Cab PU View Post
Wow, so much interesting info resulted from my basic question in Post 6. Quite a bit of it is over my head, but interesting anyway. I find it really interesting that processes/info used on 90 year old cars is still known. Thanks for sharing.
It really is a simple comparison. If you look at the picture of the burnishing machine, you can see there is a heavy flywheel mass on the opposite end of the machine from the block. The machine uses the energy stored to rotate the crankshaft when the bearings are tight. Alternately, by towing the vehicle with the engine spinning, the energy transferred thru towing it is greater than what the starter s capable of generating.

One key part that I failed to mention, in that 3rd or 4th paragraph of the flyer, it speaks of how the mechanic can achieve 95%-100% of bearing contact. In other words, its like the difference between 100 men carrying a load vs 75 men. 100 men can likely do it much easier and for a much longer period than the 75 men can.
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