'Glaze busting'

Thursday, March 31, 2011
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You've just reached the midpoint of the season, your engine is a little 'tired' and so you send it back for a general rebuild to tide you through to the end of the year. As a 'spec' engine, identical to others in the formula, the builder will no doub... read more
Tags :  engine-structure

NASCAR

Thursday, March 31, 2011
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Although using engines that, in the words of TRD's Lee White are "rooted in 1960's architecture", much about NASCAR is right up to date, employing modern design trends and manufacturing methods. NASCAR appeals to a specific audience, who are perhaps ... read more
Tags :  exhausts

Friction

Thursday, March 31, 2011
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When we talk about friction in regard to race engines, we are normally referring to the power or energy lost due to it, but the phenomenon of friction plays an important role in the function of many components in a race engine. Fasteners are a partic... read more
Tags :  fasteners

Lubrication in Formula One

Thursday, March 31, 2011
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The role of the lubricant in any tribological system is to eliminate component wear and minimise the frictional drag. This is as true for any road-going touring car engine as it is for one used in Formula One - indeed, in many ways the former is a fa... read more
Tags :  fuel-system

The wet sump

Thursday, March 31, 2011
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When it comes to any form of competition engine, I prefer my oil systems to be like my Martinis - dry. But as 99% or more of the engines in the world store their oil immediately below the crankcase, it will come as no surprise that some race regulati... read more
Tags :  oil-system

Changing the combination

Thursday, March 31, 2011
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When Bob Vandergriff Jr decided to take his operation full-time in the National Hot Rod Association Full Throttle Drag Racing Series Top Fuel category, he also made the commitment to change his tune-up combination in order to run with the balance of ... read more
Tags :  pistons-rings

The two-stroke ring

Thursday, March 31, 2011
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Love them or loathe them, and despite being virtually outlawed in international motorcycle racing, two-stroke engines are still the main form of propulsion in the world of karting. With far fewer moving parts and power:weight ratios that most four-st... read more
Tags :  pistons-rings

Cryogenic metal treatments

Thursday, March 31, 2011
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There is a vast array of metallic materials of all kinds whose mechanical properties are improved by heat treatment. Steels are commonly raised to high temperatures, quenched and subsequently tempered by raising the temperature to a carefully control... read more

The water brake

Thursday, March 31, 2011
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The chassis dynamometer may be a convenient way of loading an engine, but to undertake any serious engine development requires a dynamometer attached directly to the output shaft of the engine. While there are various types of engine dynamometer on t... read more
Tags :  test-equipment

DLC in transmission components

Thursday, March 31, 2011
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In order to reduce stress and improve mechanical performance for any highly loaded powertrain component, surface finish is of the utmost performance; a superior surface improves fatigue resistance by removing potential stress raisers and the possibil... read more
Tags :  transmission
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