Superfinishing of transmission gears

Monday, November 10, 2014
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The gears in racing transmissions are subject to loads that far exceed those in production cars. As such, careful attention needs to be paid to gear construction and design to ensure they are reliable and efficient. In the past we have looked at gear... read more
Tags :  transmission

Gear materials

Tuesday, September 30, 2014
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The materials selected for use in transmission systems, particularly the gears, play an important role in the reliability and efficiency of racing transmissions. In this month’s article we will take an initial look at those materials. Material... read more
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EV transmissions

Wednesday, July 09, 2014
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It is a popular myth that electric and hybrid vehicles, thanks to their use of electric motors capable of delivering maximum torque from zero rpm, do not need a transmission. But while it is perfectly feasible to run an electric motor (or motors) dir... read more
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Transmission dynamometers

Thursday, May 08, 2014
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Being able to measure transmission losses accurately is a very useful capability when it comes to optimising a racecar package, and is particularly important in series where regulations ensure that engine power outputs are closely matched. In such se... read more
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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
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The Formula One clutch

Wednesday, February 19, 2014
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The transmissions used in Formula One do not require the use of a clutch during gear changes, and as such, drivers only use a clutch during the start of the race and when leaving a pit stop. Despite this infrequent use, they are still an important co... read more
Tags :  transmission

Pro Mod and Pro Stock manual gearboxes

Wednesday, January 08, 2014
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Pro Mod and Pro Stock drag racing classes still see manual transmissions used in competition, and they range from two-speed units on short, eighth-of-a-mile courses to five speeds on quarter-miles. In Pro Mod the use of manuals is optional; in Pro St... read more
Tags :  transmission

NASCAR transmissions

Monday, December 02, 2013
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Transmission development in NASCAR’s top echelon of racing is tightly controlled by regulation, and no parts may be changed or modified without the governing body’s approval. This does not mean, however, that transmission manufacturers&rs... read more
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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
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