Reply to "Weaver RS3 Chain Drive (on my SAL Motorcar 2028)???"

Great advice in this thread!

Bob, one other thing you could try would be to put a larger bottom sprocket on the drive tower if there's room. The driveshaft will turn more slowly for a given motor RPM, hopefully reducing vibration.

You can get sprockets and chain from Serv-O-Link. Not sure it's OK to post their website here, but Google works.

There are a few more areas where that vibration can be initiated, depending on which tower design your drive has. See Bob Sobol's excellent work here:

https://bobsobol.smugmug.com/T...PD-Drive-Train-Work/

FineScale360 also offers a tower upgrade with adjustable tension and ball bearings that could help if you have the tower where the top sprocket shaft boss is angled down slightly instead of parallel to the bottom one. This angle causes the chain links to rub on one side of the sprocket as they enter and leave, adding to vibration. The FS360 tower has parallel shafts.

Pete

11/24/2010:46 AM

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