Dry-sump engines - cooling the oil

Wednesday, February 16, 2011
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Many fundamental decisions have to be made when it comes to cooling an engine in the chassis. Do we have one radiator or perhaps two? Do we place them at the front of the car or at the side - or possibly, if more weight is required over the rear whee... read more
Tags :  oil-system

Scavenging the turbo

Thursday, December 16, 2010
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In any dry-sump engine application the task of getting the oil out of the sump is often much harder than putting it in. This is because oil tends to flow better at the 3-4 bar pressure at the outlet of a pump than it does at the 0-0.7 bar depression ... read more
Tags :  oil-system

Pump gear teeth

Wednesday, November 10, 2010
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What is the difference between a gear tooth in a gearbox and that in an oil pump? In case you were expecting some form of witty answer I'm afraid I'll have to disappoint you. For although at first glance the two might appear to be the same, in realit... read more
Tags :  oil-system

The swirl tank

Tuesday, September 28, 2010
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The advantages of a good dry-sump system over that of a good wet-sump design in a race engine can be broadly stated as those of installation and oil control. The low-line sump pan in the dry-sump installation enables a significantly lower crankshaft ... read more
Tags :  oil-system

The Roots-type scavenge pump

Tuesday, August 17, 2010
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I suppose it's the mechanical engineer in me but ever since I can remember I have always been fascinated by complex curves. It may have been the Spirograph I received as a child, rolling one circle around another to produced a series of intriguing sp... read more
Tags :  oil-system

Prime considerations

Friday, July 02, 2010
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When I was a lad, my old dad always used to say, "Change your oil regularly, son, and you'll rarely have any engine problems." Good advice indeed at a time when the statistic that 90% of all engine wear takes place in the first few seconds of engine ... read more
Tags :  oil-system

Dry sumps - the alternative

Thursday, May 13, 2010
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We live in a world of choice, or so our politicians would have us believe. But when it comes to engine oil systems for racing, is there anything other than a dry sump that can do the job? I would argue not, but despite that there are still authorisin... read more
Tags :  oil-system

A load of hot air

Tuesday, March 30, 2010
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It has often been said that I talk an awful lot of hot air. This comment, I hasten to add, is one more frequently voiced from members of my immediate family but this month, somehow and when associated with lube oil systems, the phase has much more of... read more
Tags :  oil-system

The Oil Filter

Tuesday, February 16, 2010
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Of all the components in a typical oil system, the function and hence usefulness of the oil filter in a modern racing engine must surely be one for review. Designed to separate the larger particles which somehow accumulate in the oil and prevent them... read more
Tags :  oil-system

Low oil pressure, sir?

Thursday, January 21, 2010
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Rather like the blood circulating around our bodies, the lubricating oil in an engine is fairly critical to its well being. For most of the time we don't give it a second thought but it is only when things go wrong that people start paying attention.... read more
Tags :  oil-system
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