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Real vibration resolution...shaft drive.


Discussion at Motorized Bicycle Engine Kit Forum in the Motorized Bicycle General Discussion forum. Nothin took the vibration out of a motorcycle like shaft drive...I have no idea how hard this would be ...
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Old 10-29-2009, 11:13 PM
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Default Real vibration resolution...shaft drive.

Nothin took the vibration out of a motorcycle like shaft drive...I have no idea how hard this would be to do on a MB but plenty of gearheads here to figure it out if it is plausable.
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Old 10-30-2009, 12:05 AM
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Default Re: Real vibration resolution...shaft drive.

Sorry,but that sounds crazy to put a shaft drive on a MB....I see absolutly no reason to do that to a little china girl engine with limited power....Keep brainstorming,you might come up with an idea I wouldnt mind doing....
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Old 10-30-2009, 02:41 AM
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Default Re: Real vibration resolution...shaft drive.

well i dont know how realistic of an idea this is but you could get a driveshaft with u joints from steeling the steering shaft out of a car...they have a built in slip yoke and everything...you know i have never had any vibration problems....how well centered is your rear sproket???

Last edited by noco : 10-30-2009 at 02:43 AM.
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Old 10-30-2009, 02:46 AM
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Default Re: Real vibration resolution...shaft drive.

they make shaft drive bikes, but they just don't look hvy duty enough to use.

Chainless Bicycles - Shaft Drive Bicycles. Bicycle performance, comfort and convenience.
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Old 10-30-2009, 03:10 AM
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Default Re: Real vibration resolution...shaft drive.

going chainless does have it's advantages... but i'm still not convinced on it's durability and longevity...
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Old 10-30-2009, 02:06 PM
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Default Re: Real vibration resolution...shaft drive.

Here's what motorcycle riders say about shaft, chain and belt drive systems:
What is the advantages OR disadvantages of a shaft driven motorcycle compared to a belt or chain driven ? - Yahoo! Answers

on the downside:
WikiAnswers - What are the advantages or disadvantages of the shaft drive vs belt drive on a motorcycle
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Old 10-30-2009, 10:20 PM
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Default Re: Real vibration resolution...shaft drive.

I would think that it would be easier to try a toothed-belt drive first.

Also I would expect that most of the vibration comes from the (piston) engine itself, as electric-bicycles tend to use much lower-RPM motors, and those riders rarely ever complain about vibration issues.

(-come to think of it, my hands have gone numb some days while trimming the yard with a weedwacker.... and the weedwacker does use shaft drive.... It also uses a small, high-RPM engine as well-)
~
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Old 10-31-2009, 01:12 AM
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Default Re: Real vibration resolution...shaft drive.

George belt drive doesnt do away with vibration from a motor on a m/c but gives it a smoother and quieter ride, a well tuned multicylinder m/c will purr like a kitten nowadays. The japanese cured that long ago. This doesnt apply to single cylinder motors however thats why they call them thumpers. In a single cylinder motor theres nothing to counter act the vibrations of the one cylinder......anyways changing a flat on a drive shaft m/c is one huge pain in the arse. Check out this belt driven trek bicycle.......Trek Bikes | Bikes | Urban | District
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Old 10-31-2009, 02:07 AM
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Default Re: Real vibration resolution...shaft drive.

Cool lookin bike...bit pricey. I never owned a motorcycle with shaft drive so I never knew the tire changing issue...good point. I had a single cylinder 650 suzuki boulevard. It was screamin fast for about a block or 2 but top end was about 70 had terrible vibration though.
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