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A desmodromic valve is a reciprocating engine poppet valve that is positively closed by a cam and leverage system, rather than by a more conventional spring. The valves in a typical four-stroke engine allow the air/fuel mixture into the cylinder at the beginning of the cycle and exhaust spent gases at the end of the cycle.
In order to reduce the maximum force on the motor mounts as the motor operates over a range of speeds, a smaller mass, m 2, is connected to m 1 by a spring and a damper, k 2 and c 2. F 1 is the effective force on the motor due to its operation. Response of the system excited by one unit of force, with (red) and without (blue) the 10% tuned mass ...
Transmission internals for a 2009 Volkswagen Golf. A transmission (also called a gearbox) is a mechanical device which uses a gear set—two or more gears working together—to change the speed, direction of rotation, or torque multiplication/reduction in a machine.
The Ford HSC engine is an automobile gasoline engine from the Ford Motor Company, sold from 1984 until 1994. HSC stands for High Swirl Combustion.It was made in two displacements: 2.3 L and 2.5 L, and used in only two model lines: the Ford Tempo/Mercury Topaz and the Ford Taurus/Mercury Sable.
The LLV (also called Vortec 2900) is a 2.9 L; 178.3 cu in (2,921 cc) straight-4 DOHC engine produced between 2007 and 2012, with a 95.5 mm × 102 mm (3.76 in × 4.02 in) bore and a stroke. It replaced the LK5 and produced 185 hp (138 kW) at 5,600 rpm and 190 lb⋅ft (258 N⋅m) of torque at 2,800 rpm.
Van Diemen RF01 Racing Car Suspension. Suspension is the system of tires, tire air, springs, shock absorbers and linkages that connects a vehicle to its wheels and allows relative motion between the two. [1] Suspension systems must support both road holding/handling and ride quality, [2] which are at odds with each other. The tuning of ...
Most engines require one or more systems to start and shut down the engine and to control parameters such as the power, speed, torque, pollution, combustion temperature, and efficiency and to stabilise the engine from modes of operation that may induce self-damage such as pre-ignition. Such systems may be referred to as engine control units.
Powertrains include a 3.3L V6, 2.7L and 3.5L EcoBoost twin-turbo V6s, a 5.0L V8, and a 3.0L diesel V6. [27] Marketed as PowerBoost, an optional gasoline/electric hybrid powertrain has been offered, pairing an electric motor with the 3.5L EcoBoost V6. [27] The six-speed automatic has now been dropped, with all engines paired to a 10-speed automatic.