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An automobile starter motor (larger cylinder). The smaller object on top is a starter solenoid which controls power to the starter motor and engages the Bendix drive.. A starter (also self-starter, cranking motor, or starter motor) is a device used to rotate (crank) an internal-combustion engine so as to initiate the engine's operation under its own power.
In this case, unless external limitations are applied, the maximum torque is achieved at low RPM. For example, the AC motor found in the Tesla Roadster (2008) produces near constant maximum torque from 0 to about 6000 RPM, while maximum power occurs at about 10000 RPM, long after torque begins to drop off. The Roadster's redline is 14000 RPM.
The ILMOR-Chevrolet Indy V6 engine is a 2.2-liter, twin-turbocharged, V-6 racing engine, developed and produced by Ilmor Engineering for the IndyCar Series.Chevrolet has been a highly successful IndyCar Series engine supplier since 2012, scoring 100 IndyCar wins, 35 pole positions, 7 IndyCar Series driver's titles and 7 IndyCar Series manufacturer's titles.
As the motor rotation builds up, the resistance is gradually cut out. The speed-torque characteristic is an almost perfectly straight line between the stall torque and the no-load speed. This suits large inertial loads as the speed will drop until the motor slowly starts to rotate and these motors have a very high stalling torque. [6]
9 starting voltage tap connections allowing for ± 5% variation of starting torque around NEMA recommended taps at 50%, 65% and 80%. This allows the selection of motor starting torque to be closely matched with the driven load requirements. Selection is by means of the connection links between the winding sections.
The motor speed varies as a non-linear function of load torque and armature current; current is common to both the stator and rotor yielding current squared (I^2) behavior [citation needed]. A series motor has very high starting torque and is commonly used for starting high inertia loads, such as trains, elevators or hoists. [2]
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