1. This was coupled to a countershaft by a rubber belt. 2. The engine drove a countershaft mounted across the car. 3. Each group had two motors, that drove a common countershaft using cogs. 4. Transmission was by a three speed Sturmey-Archer countershaft gearbox with kick starter. 5. Power was transmitted by belts to a countershaft , the final drive being by chain. 6. There are usually three shafts : a mainshaft, a countershaft , and an idler shaft. 7. Power is transmitted from the transverse countershaft to each rear wheel by 1?inch pitch roller chains. 8. For another, they usually have only two shafts; input and countershaft , sometimes called input and output. 9. This then used bevel gerars to connect to a countershaft and thence to the rear wheels by a belt. 10. It developed through a four-speed countershaft gearbox and a propeller shaft, which drove the rear wheels.