2 ms·

Question for you Danielle: are the dual-mass oppositely rotating flywheels usually side-by-side, or wheel-in-wheel? Is there any advantage to one or the other?

• DaniFong 18y ago
  They're typically side by side. Generally in-wheel systems are expensive, because they're harder to manufacture and of course the flywheel system should be suspended, so you have to fit a suspension system in there as well. Space isn't at a premium in cars, and on motorscooters and motorcycles they just use a high rpm engine (10000 rpm in typical operation) to have smoother torque output.