pic: 121 Teaser - Page 2

Elgin Clock · #16 30-01-2005, 01:17

Logic says that since only about 10% of the chain is resting on the sprockets, then this is not the actual pivot point for the chain. I believe it is just a chain tensioner we are seeing to reduce flex in the actual chain run. It looks like the actual load bearing drive sprocket would be about a foot (or more) in diameter and located inside the limits of the chain guard guard that is showing in the top right?

As for it's application? I don't know.
Lifting relatively small (as far as Navy boats go) boats out of the water?

Max Lobovsky · #17 30-01-2005, 01:22

Wierd thing is, if it isn't a torque transferring sprocket (just an idler or tensioner), why is it keyed?

tkwetzel · #18 30-01-2005, 11:07

Quote:

Originally Posted by Max Lobovsky

Wierd thing is, if it isn't a torque transferring sprocket (just an idler or tensioner), why is it keyed?

To run the shaft on the bearings so they don't put wear on the shaft itself.

Max Lobovsky · #19 30-01-2005, 12:33

Quote:

Originally Posted by tkwetzel

To run the shaft on the bearings so they don't put wear on the shaft itself.

Setscrew wouldn't do the trick?

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