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Another kind of Boom Truck is known as a Bucket Truck. It has a bucket attachment together with an expandable arm and specializes in lifting individuals, typically employees high up in the air. Bucket Trucks are likewise referred to as Aerial Boom Trucks. They have a lifting capacity of 150 kg to 700 kg and the bucket itself can be expanded up to 10 meters in the air.
Knuckle Boom Trucks are bigger boom trucks which are outfitted with a crane on the back part of the equipment. If the length of the truck is expanded, the truck then becomes a Trolley Boom Truck. These kinds of lift trucks have a lifting capacity of 10 tons to 50 tons.
One more kind of Boom Truck the Concrete Boom Truck that is a large container on its rear. These are constructed to be able to lift concrete and to carry expandable pipe. Concrete is pumped with the pipe into a particular location. Concrete Boom Trucks are able to be extended up to seventy meters.
The most popular type of torque converter utilized in car transmissions is the fluid coupling type. In the 1920s there was also the Constantinesco or likewise known as pendulum-based torque converter. There are various mechanical designs used for constantly changeable transmissions that have the ability to multiply torque. For example, the Variomatic is a version that has expanding pulleys and a belt drive.
A fluid coupling is a 2 element drive that cannot multiply torque. A torque converter has an added element which is the stator. This changes the drive's characteristics during occasions of high slippage and produces an increase in torque output.
There are a minimum of three rotating elements in a torque converter: the turbine, which drives the load, the impeller, that is mechanically driven by the prime mover and the stator, which is between the impeller and the turbine so that it can alter oil flow returning from the turbine to the impeller. Normally, the design of the torque converter dictates that the stator be prevented from rotating under any condition and this is where the term stator starts from. Actually, the stator is mounted on an overrunning clutch. This particular design prevents the stator from counter rotating with respect to the prime mover while still allowing forward rotation.