World Superbike

Thursday, January 03, 2013
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Almost 25 years ago, when World Superbike first started, the machinery was pretty much showroom-standard 750 cc four cylinders and 851 cc twins. When 500 cc Grand Prix bikes had 50% more power than a superbike, 120 bhp was very respectable from an ex... read more
Tags :  exhausts

Producing Internal Threads

Thursday, January 03, 2013
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The entire racing powertrain, from the engine, through the clutch to the transmission, is littered with threaded fasteners. Studs and bolts are responsible for holding together everything from the most mundane unstressed cover plate to the most highl... read more
Tags :  fasteners

The Fuel Rail

Thursday, January 03, 2013
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It seems strange to think that 30 years ago electronic fuel injection systems as we know and understand them now were really only in their infancy. Computers of course were really only for the ‘nerds’ in our midst, and anyway were general... read more
Tags :  fuel-system

The Air Filter

Thursday, January 03, 2013
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Viewers of Grand Prix in recent years can’t fail to have noticed the increasing amount of debris littering the sides of the track as the race proceeds. Clearly this is the inevitable result of the high rates of tyre degradation and wear during ... read more
Tags :  induction-system

Motorcycle Engine Dry Sumps

Thursday, January 03, 2013
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The concept of using a motorcycle engine to power a small racecar or sidecar outfit is well established and very effective - bike engines are small, light and very powerful, giving excellent straight-line acceleration and weight-saving potential. The... read more
Tags :  oil-system

Chromating

Thursday, January 03, 2013
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The term ‘chromating’ is a contraction of Chromate Conversion Coating, which itself is a little misleading. They are not typical coatings in the sense we would normally define as a separate layer which is clearly distinguishable from the ... read more

Dynos: Torque Sensors

Thursday, January 03, 2013
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One of the key parts of a modern engine dynamometer is the torque sensor. But how do these sensors work and what recent developments have there been in sensing technology? The vast majority of conventional systems for measuring torque operate by mea... read more
Tags :  test-equipment

Torque Converters

Thursday, January 03, 2013
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Originally introduced in 1948 alongside Buick’s two-speed Dynaflow transmission, the torque converter originally helped make transmissions fully automatic, eliminating the clutch necessary for manual transmissions. Many roadcars are still fitte... read more
Tags :  transmission

Spring Retainers

Thursday, January 03, 2013
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The development of a race engine is most often concerned with maximising efficiency. An integral part of many engine development projects is improved ‘breathing’, and in addition to developing the inlet system, combustion chamber and exha... read more
Tags :  valvetrain
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