NASCAR exhausts

Thursday, March 27, 2014
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The last time we looked at NASCAR exhausts was a year ago; at the time, some of the focus from the individual teams and the exhaust manufacturers would have been on reducing the mass of the exhaust system. A big, heavy stainless system would be a rea... read more
Tags :  exhausts

Corrosion caused by fasteners

Thursday, March 27, 2014
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When we talk about fasteners and corrosion, we are normally worried about the effect of the latter on the former, and how much the corrosion degrades the fastener’s performance, especially in terms of strength and particularly in terms of fatig... read more
Tags :  fasteners

The mechanical fuel pump

Thursday, March 27, 2014
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In the modern electronic world it is sometimes hard to believe that fuel injection systems in the higher echelons of motorsport, even as recently as the early 1980s, were totally mechanical in nature. One such system that is still in regular use ever... read more
Tags :  fuel-system

The centrifugal supercharger

Thursday, March 27, 2014
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Mention superchargers and I’m sure most people will think of those huge positive-displacement air pumps sitting in the centre of the vee in a V8 engine. Driven directly off the nose of the crankshaft using a vee or toothed belt drive, and pokin... read more
Tags :  induction-system

Oil system CFD simulation

Thursday, March 27, 2014
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Understanding the way oil moves around an engine is key to ensuring an efficient lubrication system. To this end, CFD simulation of oil flows can prove highly beneficial to the engine designer. While CFD in the racing environment is more commonly tho... read more
Tags :  oil-system

Variations in piston structure

Thursday, March 27, 2014
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The piston is at the heart of the reciprocating internal combustion engine – it draws in the fresh charge, helps to expel the burnt combustion products and forms an important part of the combustion chamber itself, fundamentally affecting flow a... read more
Tags :  pistons-rings

Peening variations

Thursday, March 27, 2014
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Shot peening is a well known process that is used widely as a reaction to fatigue failures and as a design tool to avoid them in the first instance. The choice of whether to use peening as a ‘curative’ or a ‘preventative’ trea... read more

Sensors and shielding

Thursday, March 27, 2014
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A test bed is only as accurate as the sensors it uses to collect data. In the case of engine dynamometers, the test environment is a very ‘noisy’ place, with many sources of vibration and electromagnetic interference (EMI) present, all of... read more
Tags :  test-equipment

Composites resin transfer moulding

Thursday, March 27, 2014
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Carbon composite transmission casings are currently the sole preserve of Formula One and top-level sportscar racing, owing to the very high costs involved in developing and producing a functional casing. A transmission casing is an exceptionally comp... read more
Tags :  transmission

Lifters

Thursday, March 27, 2014
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The overhead valvetrain is no longer widely used in much of the world, although it retains a firm grip on the North American market and engines based on it also appeal to the Australian motorist. Perhaps the advantage of having historically had low f... read more
Tags :  valvetrain
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