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Two-armed wheel truing stand One-armed wheel truing stand. A wheel truing stand is a specialized tool for "truing" (straightening) bicycle wheels. [1] [2] Individual models differ slightly, but all consist of an axle stand on which the wheel can rotate and calipers, to measure slight deviations of the wheel's rim from ideal alignment.
Busek has also developed Hall thrusters that operate on iodine, [10] [11] bismuth, [12] [13] carbon dioxide, [14] magnesium, [15] zinc, [16] and other substances. An iodine fueled 200 W Busek Hall thruster will fly on NASA's iSat (Iodine Satellite) mission. Busek is also preparing a 600 Watt iodine Hall thruster system for future Discovery ...
A motorcycle fork is the portion of a motorcycle that holds the front wheel and allows one to steer. For handling, the front fork is the most critical part of a motorcycle. The combination of rake and trail determines how stable the motorcycle is. The 'fork' on a motorcycle consists of multiple components.
An azimuth thruster is a configuration of marine propellers placed in pods that can be rotated to any horizontal angle , making a rudder redundant. These give ships better maneuverability than a fixed propeller and rudder system.
When stowed, the doors seamlessly connect to the rest parts of the engine to provide a streamlined outer surface. A pair of beams are located in the left and right of the engines with a sled in each of them. The two doors are connected to both sleds by two rods each. A hydraulic actuator connected to each sled is placed in each beam.
A thruster during test firing Artist rendition of VASIMR plasma engine A plasma propulsion engine is a type of electric propulsion that generates thrust from a quasi-neutral plasma . This is in contrast with ion thruster engines, which generate thrust through extracting an ion current from the plasma source, which is then accelerated to high ...
The FEEP thruster was also slated for installation on Gravity Field and Steady-State Ocean Circulation Explorer spacecraft, [4] but the Gridded ion thruster was used instead. [5] The first FEEP thruster operated in space was the IFM Nano Thruster, successfully commissioned in Low Earth Orbit in 2018.
The MSC system uses accelerometers and/or gyroscopic sensors to evaluate how close to the limit of adhesion the motorcycle is cornering. It reduces the allowable braking tire slip ratio, reducing the braking force, thus preventing the tire skid, and keeping the motorcycle from falling into the turn, or low-siding.