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  1. #1
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    Question Do i want a 36volt motor or a 48 volt motor?

    I am having a Americanspeedster Sidekick 4 wheel bike assembled for me. This PVC bile uses 20 inch wheels. Originally they offered a Sparrow motor for it. I started to order the Sparrow and was told that it was a brush motor and they now offer a better motor. He wanted to know if i want the 36 volt motor or the 48 volt motor.
    My limited knowledge of electricity makes me think i want the 48 volt motor for more torque. Am i right? Is there a lesson on batteries i need to learn. Such as does the 48 volt have an exhorbriant price etc?
    Any education gladly appreciated.
    Thanks for looking.

  2. #2
    Senior Member
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    If it has 4 wheels and you add a motor, legally it won't be a bicycle anymore..
    Every state in the US considers a bicycle to have 2 or 3 wheels..
    Believe it or not, having 4 wheels (Unless it's a trike with a sidecar), it's considered a car..
    I know, stupid! Are you sure you want to add a motor to it?
    (Even golf carts have VINs)

  3. #3
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    Thanks for the heads up. Guess i will have to take a chance or two. Where i live i won't be running the streets with it. Too dangerous. Definitely taking it on the KATY TRAIL in Mo.. I will just go slow and fake pedal if need be.

  4. #4
    Senior Member GTALuigi's Avatar
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    Sep 2008
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    Dahon Mu SL 08 / Matrix 08
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    Ha! LOL Sangesf thanks for the heads up, i'm was in the same process as versatile as i was planing to almost the same thing as him

    I've always pondered about the bike and the 4 wheels thing, guess now that's clear

    So I'll better redesign my custom frame for an ebike as a Trike instead of Quabike?

    I needed more space to carry extra battery and spread the weight / load onto more wheels to keep the tires properly inflated for a good long ride, i not a big fan of those super long bikes with the extra wheel or cart at the back as i've seen some people use

    if i'm gonna have 3 or more wheels i might as well put them to get better stability, as i've tried many setups with heavy battery packs, and in rainy sudden breaking situation the bike always fish tails
    Mu SL Gone in 10 sec!
    Matrix The perfect commuter bike for all terrain!

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