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What size gear sprocket for a 48" wheel, using a 3000w 72v Cyclone with 14T cog?

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    What size gear sprocket for a 48" wheel, using a 3000w 72v Cyclone with 14T cog?

    I am building a motorized Chinese wheelbarrow.

    I'm using a 48" wooden carriage wheel.

    View this link for a basic photo idea.
    https://drive.google.com/file/d/1qVV...ew?usp=sharing

    2π x radius = 150.8" circumference of a 48" diameter wheel.

    14 tooth freewheel cog on motor

    What size tooth gear sprocket for the 48" wheel?

    I purchased a 3000w 72v Cyclone motor/system.

    Specs on the Cyclone 3000 watt, rpms, etc:
    https://lunacycle.com/cyclone-mid-dr...planetary-kit/

    https://www.electricbike.com/taking-...n-ebike-brute/ gives this info:
    "The drive gear has 11-teeth, and the output ring gear has 54-teeth.
    The 11:54 reduction means the motor spins 4.9 times for every time the output shaft drives the freewheel.

    But of course, this is for a 26" wheel. Does the gear sprocket need to be larger or smaller, when a 48" wheel is used?

    Thank you,
    Darin
    Last edited by DarinSelby; 08-29-2020, 06:13 AM.
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