 Cooling was supplied through air scoops on the side of the bonnet and it was rumoured that after hard driving at night the cylinder heads could be seen glowing red through them.Two cross-members of the frame supported at three points the assembled unit of engine and clutch and a three speed gearbox with reverse.The rear wheels were driven through a fabric joint and propellor shaft to a universal joint and an under-worm wheel type rear axle.