Re: Continuously Variable Transmission to buy

http://nupace.com/

I saw some on eBay last year for $999 USD.


"By simply twisting the shifter handle, the rider can select any gear
ratio that feels right at any given time instead of having to accept
the predetermined gear ratios in a step-wise fashion that the cog
cassette offers. This allows the rider to pinpoint the desired gear
ratio for optimal performance. "

.

Relevant Pages

  • Re: Continuously Variable Transmission to buy
    ... "By simply twisting the shifter handle, the rider can select any gear ... ratio for optimal performance. ...
    (rec.bicycles.tech)
  • Re: Terminology, was Re: reserach article
    ... In my coursework, as I recall it anyway, professors of basic engineering mechanics made a distinct differentiation between terms "gearing" or "gears" or "gear ratio" which apply specifically to devices generally known as gears and "mechanical advantage" which is applied toward devices which operate more as levers ... ratio of gear radii which can also be seen as a ratio of lever arms. ...
    (rec.sport.rowing)
  • Re: Terminology, was Re: reserach article
    ... ratio" which apply specifically to devices generally known as gears ... ratio of gear radii which can also be seen as a ratio ... the mechanical advantage I get from the wrench I ... When it is slipping the input and output torques are the same, but the input angular velocitiy (engine) is greater than the output angular velocity, so power in is greater than power out, the difference being the heat generated by friction in the clutch. ...
    (rec.sport.rowing)
  • Terminology, was Re: reserach article
    ... In my coursework, as I recall it anyway, professors of basic engineering mechanics made a distinct differentiation between terms "gearing" or "gears" or "gear ratio" which apply specifically to devices generally known as gears and "mechanical advantage" which is applied toward devices which operate more as levers ... ratio of gear radii which can also be seen as a ratio of lever arms. ...
    (rec.sport.rowing)
  • Re: Hub Gears: no need to scoffjaw the warranty
    ... ratio on my own bike when I took it to Switzerland for two months in 2004. ... If you look at the actual hub specs, it nominates a maximum torque of 250Nm ... Never mind the gear, how do you keep your balance going up a 25% grade ...
    (rec.bicycles.tech)