Slipper clutches - coil or diaphragm?

Wednesday, February 16, 2011
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In a previous RET-Monitor article we looked at how these 'Back Torque Limiters' or 'Slipper Clutch' units operate, and their particular advantages in motorcycle applications. They allow a controlled slipping of the clutch until the speeds of both the... read more
Tags :  transmission

High-speed raceboat propeller design

Thursday, December 16, 2010
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Although attaining speeds up to and in excess of 100 mph on tarmac is not an arduous task, it is a rather more multi-faceted undertaking on water. One of the many considerations of high-speed marine applications is transmission and propeller design. ... read more
Tags :  transmission

More on bike-engined cars

Wednesday, November 10, 2010
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In the previous article on this subject, I looked at a reversing differential for a bike-engined car where the engine is mounted longitudinally. Many bike-engined cars are configured with the engine mounted transversely, as it is in the motorcycle fr... read more
Tags :  transmission

Motorcycle-engined cars

Tuesday, September 28, 2010
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While most press coverage of motorsport tends to look at big-budget motor racing, there are interesting technical features on many of the lower-budget machines that pound around the circuits during the summer weekends. There are a number of race seri... read more
Tags :  transmission

Formula One CVT (Part 2)

Tuesday, August 17, 2010
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In the previous article, we looked at the prototype Formula One constantly variable transmission (CVT) system that Williams developed in conjunction with Van Doorn in the early 1990s, and spoke to engineer Arnaud Boulanger who was involved with the p... read more
Tags :  transmission

Transmission

Friday, July 02, 2010
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More than 15 years ago, a young David Coulthard said he was "very excited" about a new development at Williams, going on to say that "machine is working better than man". The reason for his enthusiasm was that he had just tested Williams' revolutiona... read more
Tags :  transmission

Transmitting power

Thursday, May 13, 2010
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With the adoption of independent, or de Dion rear suspension by racing car constructors during the 1930s, some means of transmitting the torque from the transmission into the wheel hubs had to be devised that accommodated the vertical motion of the w... read more
Tags :  transmission

Tractive effort

Tuesday, February 16, 2010
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In recent RET-Monitor features we have considered several aspects of transmission design and engineering, each time with the implicit assumption that some means of gearing between the power unit and road wheels was a prerequisite feature. Why should... read more
Tags :  transmission

Transmission and driveline offset

Thursday, January 21, 2010
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One of the problems faced by race car designers is the conflicting requirement of keeping a low centre of gravity for the engine (and transmission), whilst keeping the driveshaft within acceptable values. Whatever the chosen method of coupling excess... read more
Tags :  transmission
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