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  2. Crankset - Wikipedia

    en.wikipedia.org/wiki/Crankset

    Replacement chainrings must be chosen with a bolt-hole count and spacing that matches the spider. Chainrings designed for use with multi-chainring crank arms may have ramps or pins to aid in shifting. The middle chainring, in the case of a triple crankset, usually has the most shaping to aid in shifting up and down.

  3. Manual transmission - Wikipedia

    en.wikipedia.org/wiki/Manual_transmission

    A manual transmission (MT), also known as manual gearbox, standard transmission (in Canada, the United Kingdom and the United States), or stick shift (in the United States), is a multi-speed motor vehicle transmission system where gear changes require the driver to manually select the gears by operating a gear stick and clutch (which is usually ...

  4. FV4202 - Wikipedia

    en.wikipedia.org/wiki/FV4202

    The weight of FV4202 was nearer 42 tons [2] as the cast turrets were usually too heavy due to the fact that the manufacturers of the turret castings were paid by weight rather than per item. One vehicle - an amalgam of two vehicles [ 3 ] - is preserved at the Bovington Tank Museum and another one has been employed as a recovery training aid at ...

  5. Direct-shift gearbox - Wikipedia

    en.wikipedia.org/wiki/Direct-shift_gearbox

    A direct-shift gearbox (DSG, German: Direktschaltgetriebe [1]) [2] [3] is an electronically controlled, dual-clutch, [2] multiple-shaft, automatic gearbox, in either a transaxle or traditional transmission layout (depending on engine/drive configuration), with automated clutch operation, and with fully-automatic [2] or semi-manual gear selection.

  6. EMD SD45T-2 - Wikipedia

    en.wikipedia.org/wiki/EMD_SD45T-2

    The SD45T-2 is a model of diesel-electric locomotive built by EMD for the Southern Pacific Railroad.Like the later SD40T-2 it is colloquially nicknamed a tunnel motor. 247 total units (including the original EMD/SP joint venture working Prototype) were produced from February 1972 to June 1975, including 84 for SP's subsidiary Cotton Belt.

  7. Volvo FH - Wikipedia

    en.wikipedia.org/wiki/Volvo_FH

    FH version 2 In 2001 Volvo introduced the second generation of the FH and FM series with the cab and driveline given a major makeover. [ 11 ] with an investment cost of €600 million [ 12 ] Major changes included a redesign of the cab to improve aerodynamics, the new automatic gearchange transmission, I shift, new electronics system and engine ...

  8. Dual-clutch transmission - Wikipedia

    en.wikipedia.org/wiki/Dual-clutch_transmission

    [2] [20] The first use of a PDK in competition was the 1985 Porsche 962 C Le Mans racing car, which won the World Sportscar Championship in 1986. [2] [21] The PDK transmission was also used in the 1985 Audi Sport Quattro S1 Group B rally car. [7] [22] The first mass-production passenger car to use a DCT was the 2003 Volkswagen Golf R32. [2] [6] [9]

  9. R-40 (missile) - Wikipedia

    en.wikipedia.org/wiki/R-40_(missile)

    It has built in semi-active radar homing (R-40R), with an inverse monopulse seeker which give the missile ability to engage targets in all-aspects and infrared homing (R-40T) versions. [ 5 ] To guarantee a kill at such high speeds in thin air, a large warhead was needed to have a sufficient blast effect.