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freebeard · 10-01-2015, 04:43 PM

I'm not sure why you need KERS (Kinetic Energy Recovery System on a gravity racer, but your choices generally would be electric, hydraulic, flywheel or a great big coil spring.

What is allowed by the rules?

10-01-2015, 04:43 PM	#108 (permalink)
freebeard Master EcoModder Join Date: Aug 2012 Location: northwest of normal Posts: 28,862 Thanks: 8,189 Thanked 8,965 Times in 7,405 Posts	I'm not sure why you need KERS (Kinetic Energy Recovery System on a gravity racer, but your choices generally would be electric, hydraulic, flywheel or a great big coil spring. What is allowed by the rules?