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  • Two-wheelers with belt drives

    zaveri

    zaveri

    @zaveri-5TD6Sk
    Updated: Oct 21, 2024
    Views: 954
    As we all know that motor cycles make use of chain drives as means of transmitting power from engine to rear wheel.

    Now i was wondering what would happen if this chain-sprocket thing was to be replaced by belt and pulley system.

    it will have its own advantages : it will be lighter, noise levels will be reduced, and it will make the vehicle designer's job easier.

    Does it have any advantages though ? is this feasible ?
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Replies

  • mechky

    Member • Jul 22, 2012

    No, belts can't be used due to following reasons:

    - Belts have much less strength than chains
    - Susceptible to slip, speed ratio doesn't remains constant
    - Periodic retensioning is required
    - Upper limit on power and speed
    - Belts deteriorate on exposure to lubricants
    - Limited life and need periodic replacement
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  • zaveri

    Member • Jul 22, 2012

    mechky
    No, belts can't be used due to following reasons:

    - Upper limit on power and speed
    -


    can you elaborate on this ?
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  • Ramani Aswath

    Member • Jul 22, 2012

    Belt drives depend on friction. Things may happen to reduce this at a critical moment leading to accidents. mechky's elaboration is explicit.
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  • mechky

    Member • Jul 24, 2012

    zaveri
    can you elaborate on this ?
    speed limit is about 2000m/min and power limit is about 60kW
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  • zm-i

    Member • Jul 26, 2012

    Some cars use timing belts. Some motorcycles also use belts. And there seems to be no problem.
    Please correct me if I am wrong. 😕
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  • zaveri

    Member • Jul 26, 2012

    zm-i
    Some cars use timing belts. Some motorcycles also use belts. And there seems to be no problem.
    Please correct me if I am wrong. 😕
    Which are those bikes
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  • zm-i

    Member • Jul 27, 2012


    Aren't those belts?😕
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  • zaveri

    Member • Jul 28, 2012

    zm-i

    Aren't those belts?😕
    Yes those are belts. those are ribbed belts. they are basically used for timing. they seem to make good substitutes for chain drives in those harley davidsons .
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  • zm-i

    Member • Jul 28, 2012

    Yes those are belts. those are ribbed belts. they are basically used for timing. they seem to make good substitutes for chain drives in those harley davidsons .
    So belts can be used, right?
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  • zaveri

    Member • Jul 31, 2012

    zm-i
    So belts can be used, right?

    ofcourse. as you can see that they are already being used.
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  • zm-i

    Member • Jul 31, 2012

    Yes. I do recognize that #-Link-Snipped-#. 😀 However, the first respond to your topic is a "no". So, I wonder if what #-Link-Snipped-# says is true.

    No, belts can't be used due to following reasons:

    - Belts have much less strength than chains
    - Susceptible to slip, speed ratio doesn't remains constant
    - Periodic retensioning is required
    - Upper limit on power and speed
    - Belts deteriorate on exposure to lubricants
    - Limited life and need periodic replacement
    I never really know the reason why, but I know that many have substituted chains with belts (...and of course they change the sprocket too).
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  • zaveri

    Member • Jul 31, 2012

    zm-i
    Yes. I do recognize that #-Link-Snipped-#. 😀 However, the first respond to your topic is a "no". So, I wonder if what #-Link-Snipped-# says is true.



    I never really know the reason why, but I know that many have substituted chains with belts (...and of course they change the sprocket too).
    i first said no, because mechky gave strong reasons. But now since belt drives are implemented and the bikes are running normally, then there is no point in disagreeing
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  • mechky

    Member • Aug 1, 2012

    zm-i
    Yes. I do recognize that #-Link-Snipped-#. 😀 However, the first respond to your topic is a "no". So, I wonder if what #-Link-Snipped-# says is true.



    I never really know the reason why, but I know that many have substituted chains with belts (...and of course they change the sprocket too).
    Yes, toothed belts similar to timing belts are appropriate.
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