Weird Cummins Crank

mudder500

mudder500

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Mar 17, 2008
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Was sent this pic. What's the reasoning behind this and how much would u gain by welding it up like this??

5705ED20-BD37-4AC2-979C-D1A8D82DAC46-16989-00000F1F50590DE9.jpg
 
Rotational momentum. Sledpullers do this to help keep the engine turnin at the end of the track.
 
saw that the other day , the dumbest thing I have ever seen.
 
The problem is if you want rotating weight, putting it that close to the center line is just plain dumb. and that is the opinion of everyone with crank design knowledge. Now weight on a flywheel would make more centrifugal force

I saw the crank last month when I was at the shop
 
COMP461 said:
The problem is if you want rotating weight, putting it that close to the center line is just plain dumb. and that is the opinion of everyone with crank design knowledge. Now weight on a flywheel would make more centrifugal force

I saw the crank last month when I was at the shop
Click to expand...
Explain that to the handful of the midwestern shops that specialize in pulling. They'll point you to the corner with the pile of bent cranks without the counterweights.
 
It does beg the question - has there been much experimentation with heavier flywheels? That does make more sense....
 
Diesel Freak said:
had to take a double take on that one...



now the entire interweb is dumber due to that one statement
Click to expand...

He is correct, more weight further from center-line has more force.

Whether it is effective doesnt make that statement less true or dumb.
 
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