Rotary engine on a mountain bike? possible or no?

Discussion in 'Motorized Bicycle General Discussion' started by xXNightRiderXx, Jan 13, 2017.

  1. xXNightRiderXx

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    i saw a few videos about how rotary engines worked, their advantages and disadvantages, and i liked their compact size, and it got me thinking. if i reduced the cc's, and had a dedicated oil sump, could i fit a rotary engine on a soft tail mtb for hauling heavy cargo?
    .cs.
     
  2. Agreen

    Agreen Member

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    Dude what? Are you a machinist?

    Look at the Hercules W2000 and the Suzuki RE5. That's about the only way you could make one fit, and even then it would still be huge, suck gas, and have no torque. Rotary engines have their advantages, but hauling heavy loads is not one.
     
    #2 Agreen, Jan 13, 2017
    Last edited: Jan 13, 2017
  3. Tony01

    Tony01 Member

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    Not a rotary. A 212cc is pretty good for hauling a 250lb trailer with a 250lb bike and rider up to 45mph.
     

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  4. Ludwig II

    Ludwig II Well-Known Member

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    I know someone who made one, the tolerances have to be even closer than normal engines. The lack of vibration would be kinder on a frame if you can make one though.
     
  5. Agreen

    Agreen Member

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    #5 Agreen, Jan 13, 2017
    Last edited: Jan 13, 2017
  6. TheNecromancer13

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    Don't know about putting one on a bicycle, but I found this:
    [​IMG]
     
  7. Agreen

    Agreen Member

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    As cool as that is, it's not a rotary. It's a radial engine!
     
  8. TheNecromancer13

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    I always get them mixed up for some reason.
     
  9. MotorBicycleRacing

    MotorBicycleRacing Active Member

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    Here is a rotary engined bike at Socal Motor Bicycle Racing's Willow Springs
    Kart track race in May 2016.

    You never know what is going to show up at our races.
    Socal Motor Bicycle Racers like to Wankel at the track!


    [​IMG]
     
    #9 MotorBicycleRacing, Jan 14, 2017
    Last edited: Jan 14, 2017
  10. Ludwig II

    Ludwig II Well-Known Member

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    The term was applied originally to engines that rotated round a stationary crankshaft. This has led to repeated confusion.

    https://youtu.be/e9r6ljqVSXQ
     
  11. xXNightRiderXx

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    ok, so evidently it isn't very possible without fabricating a frame for it. i've seen some cool things though, so maybe one day...
     
  12. slayer60973

    slayer60973 New Member

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