Very clever.
But perhaps not the cleverest I have seen:
"...The performance of the car was exactly as George had predicted,
100 miles per gallon of petrol
at 38 miles per hour...."
In the aerodynamic equivalent of a wheeled outhouse with the door open, on carburetors!
George Constantinesco: Inertial Transmission (US Patent 1591471 etc)
https://en.wikipedia.org/wiki/Consta...co_(automobile)
I do hope this gearbox goes somewhere, but am acutely aware of 'aversion to change' atm.