Given a petrol or diesel motor, most engineers have opted for an engine compartment at the front of the vehicle, and a driveshaft that delivers power to the wheels.
The Greeks are thought to have possessed crude wooden gears, which were used to lift heavy building materials, haul up water, and hoist anchors, but historians do not generally credit them with possessing scientifically precise gears — gears cut from metal and arranged into complex "gear trains" capable of carrying motion from one driveshaft to another.
The vehicle was being kept afloat by pontoons made from fifty-five-gallon drums; there was a propeller attached to its driveshaft.
Qi said that the T-11 had a slight problem with driveshaft length, which meant that the outside wheel slipped a little on tight turns.
To counter the gyroscopic effect produced by the car's spinning motor, a circular brass flywheel was fitted to its driveshaft to spin in the opposite direction of the motor.
Each could easily accommodate three across, with the low driveshaft hump ensuring ample legroom even for middle-seat riders.
In T.S.B. 13-3-13 issued on March 26, Ford said that in some 2009-12 models, the rubber-bonded joint in the driveshaft center support bearing might show signs of separation, leading to a clunk or vibration.
In a report filed early Wednesday on the safety agency's Web site, the automaker said the driver's side driveshaft could become loose while the vehicle was in motion.
Chrysler said a tunnel shield could loosen, drop down and rub on the driveshaft.
"If the rub condition is allowed to continue, the driveshaft wall thickness will decrease to a point it will not be able to carry the required loads/torque," the automaker said.
There are also 20-inch wheels, a driver-adjustable suspension with Bilstein shocks, a carbon-fiber driveshaft and a Graziano limited-slip rear differential.
