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post #1 of 8 (permalink) Old 01-24-2014, 08:20 PM Thread Starter
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Compensator - How does it work???

Would someone explain to me how the compensator actually works. I would have thought a simple sprocket attached to the output shaft would provide the power to drive the primary chain. But with reference to compensators "going bad", pitted ramps, etc. Clearly there is more to it than a sprocket to drive a chain.

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post #2 of 8 (permalink) Old 01-24-2014, 08:30 PM
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I think in your simple (though logical) design, the concern is sudden tension in the train of components, which ends up being absorbed by the chain. Only so many of those jolts can be sustained until something gives. The compensator sort of smooths that out. Here's a pretty good explanation in layman's terms.
http://www.ask.com/explore/compensat...vidson-do-4852

What if the Hokey-Pokey really is what it's all about?
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post #3 of 8 (permalink) Old 01-24-2014, 09:04 PM Thread Starter
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Dude - Thanks for the explanation and the link - now it makes sense

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post #4 of 8 (permalink) Old 01-26-2014, 08:26 AM
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As said above, it's a cushion. It absorbs the torque pulses and then releases them. The energy is stored in the plate springs.

It's not so much for protecting the chain as it is for protecting the transmission gears. Automobiles use coil springs in the clutch hub for the same reason.
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post #5 of 8 (permalink) Old 01-26-2014, 08:41 AM
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The simple sprocket is the way I went ~ Vulcanworks and love it. I have replaced 7 compensators on two bikes in 4 years with a combined 120k on the clocks ~ this was ridiculous. The vulcanworks sprocket will probably never need replacement.

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post #6 of 8 (permalink) Old 03-26-2014, 05:07 PM
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Is the vulcan gear (part number if you have) all that you changed?
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post #7 of 8 (permalink) Old 03-26-2014, 06:02 PM
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Good stuff! Thanks Straymutt!


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post #8 of 8 (permalink) Old 03-28-2014, 05:59 AM
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Quote:
Originally Posted by gaspumpcity View Post
Is the vulcan gear (part number if you have) all that you changed?
34T Motor Sprocket, 06+ Dynas, 07+ Softails, Dressers

For 2006+ Dynas, 2007+ Softails, Dressers, T/C-96 A & B Motors

Solid sprocket conversion to eliminate compensator assembly.
Eliminates slippage and noise from compensator.

Made from 4140 Tool Steel & Heat Treated.

Part# 4513

http://vulcanworks.net/Motor-Sprocke...0-p-1-c-6.html

Many other components have been replaced. The only way to eliminate compensator failure is to eliminate it. I do not lug the bike and don't "shock the crank". This has been a welcome addition to a RG that is ridden 40+k per year.

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