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The large disk closer to the top is connected to the engine, the smaller one drives the wheels via chains (missing here). A friction drive [1] [2] or friction engine is a type of transmission that utilises the static friction of two smooth surfaces (instead of contact pressure of meshing teeth) to transfer torque between two rotating parts.
A friction motor is a simple mechanism to propel toy cars, trucks, trains, action figures and similar toys. The motor consists of a large flywheel which is connected to the drive wheels of the toy via a gear train with very low gear ratio, so that the flywheel revolves much faster than the wheels. The flywheel's axis is perpendicular to the ...
Adhesion traction is the friction between the drive wheels and the steel rail. [1] Since the vast majority of railways are adhesion railways, the term adhesion railway is used only when it is necessary to distinguish adhesion railways from railways moved by other means, such as by a stationary engine pulling on a cable attached to the cars or ...
Since the drive sprocket can be at either the front (many WWII tanks like the M4 Sherman) or the rear (most modern tanks like the T-90) of the vehicle depending on the design, the idler wheel either carries the track back off the ground and returns it to the drive sprocket (rear idler wheel), or receives track from the drive sprocket and lays ...
The rear driven wheels of a racing car throwing gravel Differentials and drive shafts deliver torque to the front and rear wheels of a four-wheel drive truck. A drive wheel is a wheel of a motor vehicle that transmits force, transforming torque into tractive force from the tires to the road, causing the vehicle to move.
The Lafitte was an unconventional car. It was powered by 22 hp 3 cylinder radial engine of 736cc capacity, which was enlarged to 895cc in 1928, its final year. [1] The engine was mounted in a hinged cage, which was tilted by the driver to engage and vary the ratio of the friction drive to the rear wheels.
The friction drive transmission was similar in concept to a continuously variable transmission, and had five fixed indents on the shift lever, that corresponding to pre-set drive ratios. [2] The driven friction wheel was moved between the center and outer rim of the flywheel to effect a change in drive ratio; nearer the center was a 'lower ...
Side friction wheels keep the train centered in the track, avoiding derailment. The final set of wheels in the assembly are known as running wheels, road wheels, or tractor wheels. Running wheels are typically the largest set of wheels in the assembly, and roll on the top of the rails. These wheels bear the weight of the train.
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