GT exhausts

Monday, October 07, 2013
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The rigours of endurance racing make such events a real test of the machinery and the team behind it, and the exhaust system of any car or motorcycle needs careful consideration in its design, from the general layout through to the smallest details. ... read more
Tags :  exhausts

The perils of fastening thin components

Monday, October 07, 2013
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There is very often a need to fasten thinwall parts to other components. In the case of engines and transmissions, this might be cosmetic covers, airboxes, airhorns, electrical enclosures or any number of other items. The fastening of thin component... read more
Tags :  fasteners

Carburettor progression

Monday, October 07, 2013
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Back when petrol in the UK cost the equivalent of about 30p in current money and the Beatles were top of the music charts, the fixed-choke carburettor – particularly that of the DCOE – was most definitely king. Affectionately known as &ls... read more
Tags :  fuel-system

The air trumpet

Monday, October 07, 2013
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It might seem difficult to believe but there was a time when not all engine designers believed in free-breathing engines. These days of course the key to the best possible engine performance is generally accepted as having the least restrictive intak... read more
Tags :  induction-system

Oil filters

Monday, October 07, 2013
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In the early days of automotive engine development, most engines made do without any form of oil filtration, or at best a rudimentary gauze filter. Until the 1970s there were mainstream production engines operating without any real filtration, a nota... read more
Tags :  oil-system

Chemical machining

Monday, October 07, 2013
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Chemical machining is a technique that removes material through the interaction between chemicals and a metallic workpiece. Electrochemical machining (also widely referred to as ECM) offers an alternative to electro-discharge machining (EDM) and is s... read more

Tensile-testing video extensometers

Monday, October 07, 2013
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In a previous RET-Monitor we looked at testing the material properties of composites, so this month we will investigate a machine that is particularly suited to tensile testing of such materials, the video extensometer, which can provide an accurate ... read more
Tags :  test-equipment

Gear materials and manufacture

Monday, October 07, 2013
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In previous RET-Monitors we have looked at the construction of racing gearbox casings; however, as regards performance and durability, the materials and manufacturing techniques used for their internals are even more important. Although often housed... read more
Tags :  transmission

Heat transfer through valve guides

Monday, October 07, 2013
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In most race engines, much of the heat transfer from the valve to the cooling medium – whether it be oil, water or air – is via the valve seat insert, then into the head and eventually to a fluid that will reject the heat to atmosphere. ... read more
Tags :  valvetrain
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