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[1] [2] TDI engines are used in motor vehicles sold by the Audi, Volkswagen, SEAT and Skoda marques, as well as boat engines sold by in Volkswagen Marine [3] [4] [5] and industrial engines sold by Volkswagen Industrial Motor. [6] [7] The first TDI engine, a straight-five engine, was produced for the 1989 Audi 100 TDI sedan.
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]
Small variable-frequency drive Chassis of above VFD (cover removed). A variable-frequency drive (VFD, or adjustable-frequency drive, adjustable-speed drive, variable-speed drive, AC drive, micro drive, inverter drive, or drive) is a type of AC motor drive (system incorporating a motor) that controls speed and torque by varying the frequency of the input electricity.
Wheel-hub motors are commonly found on electric bicycles. Electric hub motors were well-received in early electric cars, but have not been commercially successful in modern production cars [1] [2] because they negatively affect vehicle handling due to higher dynamic wheel load [3] and their placement makes them prone to damage. [2]
Meanwhile, Boeing Air Transport's Model 40As were modified by replacing their Wasp engines with 525 hp (391 kW) Pratt & Whitney Hornet radial engines to become the Model 40B-2. [6] The Model 40B-4 was a new-build aircraft combining the four-passenger cabin of the Model 40C with the Hornet engine of the B-2. [ 7 ]
Hurricane was also advertised at 10 hp*, way below the actual horsepower developed, Mercury noted this asterisk by stating that horsepower varies with rpm; really the Hurricane could deliver up to 18 hp. Dubbed "Super" because they were superior in horsepower to other 10 hp outboards. Shortly after the introduction of the Hurricane, Mercury ...
The kilopound per square inch (ksi) is a scaled unit derived from psi, equivalent to a thousand psi (1000 lbf/in 2).. ksi are not widely used for gas pressures. They are mostly used in materials science, where the tensile strength of a material is measured as a large number of psi.
Schematic of a permanent magnet motor. A permanent magnet motor is a type of electric motor that uses permanent magnets for the field excitation and a wound armature. The permanent magnets can either be stationary or rotating; interior or exterior to the armature for a radial flux machine or layered with the armature for an axial flux topology.