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Science and Engineering Design

What is the significance of the engine displacement?

What is the engine displacement of our 1962 Tiger Cub?

How much energy is released per detonation?

What is the max RPM?

If the engine is 100% efficient, how much power is available at max RPM?

How much rear-wheel torque is needed?

What determines the size of the clutch plates?  What is the significance of the clutch spring?