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Comparison between normal and portal axles Pinzgauer portal axle. A portal axle (or portal gear lift) is an off-road vehicle suspension and drive technology where the axle tube or the half-shaft is offset from – usually above – the center of the wheel hub and where driving power is transferred to each wheel via a simple gearbox, built onto each hub. [1]
Shaft angle. A shaft angle is the angle between the axes of two non-parallel gear shafts. In a pair of crossed helical gears, the shaft angle lies between the oppositely rotating portions of two shafts. This applies also in the case of worm gearing. In bevel gears, the shaft angle is the sum of the two
1. A type of tack placed upon a horse or other animal in order to hitch it to a cart, plow, wagon or other horse-drawn vehicle. [1]: 101 2. To harness a horse is to put the harness on the horse. harness racing, trotting races The sport of racing horses in harness, pulling a very light single-person cart called a sulky. The horses usually trot ...
Training cart or training trap: a simple sprung or unsprung two-person modern cart for training a harness horse on smooth roads. Often made of steel with motorcycle wheels, and sometimes with adjustable shafts for different-sized horses. Trap: an open sprung cart. Often used in a general sense to cover any small passenger-carrying cart.
Also visible on the right is one of the links that connect the bar to the suspension (drop link). These twist the anti-roll bar when the vehicle is cornering, resisting body roll. An anti-roll bar ( roll bar , anti-sway bar , sway bar , stabilizer bar ) is an automobile suspension part that helps reduce the body roll of a vehicle during fast ...
A harness that is used to support shafts, such as on a cart pulled by a single horse, will also have a saddle attached to the harness to help the horse support the shafts and breeching to brake the forward motion of the vehicle, especially when stopping or moving downhill.
The following stresses are induced in the shafts. Shear stresses due to the transmission of torque (due to torsional load). Bending stresses (tensile or compressive) due to the forces acting upon the machine elements like gears and pulleys as well as the self weight of the shaft. Stresses due to combined torsional and bending loads.
A sulky is a lightweight cart used for harness racing. It has two wheels and a small seat for only a single driver. The modern racing sulky has shafts that extend in a continuous bow behind the driver's seat, with wire-spoked "bike" wheels and inflated tyres. [1] [2] A sulky is frequently called a "bike".