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I invented an idea a long time ago on scootdawg.proboards of a center based bearing that will press on one side of the center of the variator, to squeeze it together.
The other side of the bearing should have a spring, connected to a cable-based lever (kind of like a choke).
The advantages are:
- installable on nearly all scooters,
- Only needs small amount of space,
- low friction,
- No excessive modifications. Same belt can be used.
- The choke system can help you to choose between performance or eco riding styles.
Cons are:
- Can't accelerate fast in Eco mode, unless the choke-knob is changed to performance.
- Not easy to adjust while riding. (imagine riding a bike with 2 throttles, one the real throttle, the other, a manually steered variable gearing, that also will affect acceleration and speed).
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