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An excellent presentation on the technical and human side of conducting a world record attempt on salt planes in the USA. Visibility was down to half a mile due to the heat haze at which point the Dieselmax vehicle pictured below with Nicole from the SAE-UK events team appeared like a pin point on the horizon. Despite the conditions the JCB team were able to establish the new world record using only 1300 of the 1500 bhp of their vehicle.
 

Like all engineering, it’s the experience of having done the job that counts and JCB brought together years of research with external groups such as SAE-UK's company member Visioneering to break the world land speed record in a diesel powered car.

According to Dr. Leverton crucial parts of the design were getting the engines to boost simultaneously and cooling the engines throughout using an ice compartment within the vehicle. Tyres also were critical and the testing ground for the proofing of the pneumatic tyres was used for tyre checks on the NASA shuttle. Apparently, even at its top speed the throttle was maintained at 50% which in combination with the other points above indicate that there maybe scope yet for enhanced performance. There was a hint that with greater limits of tyre performance the car could have continued its acceleration particularly if the boosting of the diesel engines could be perfected at various altitudes

There was evidence of true genius in the aerodynamic design of the vehicle which analysed the history of world speed record attempts on the salt plains of America. It was found that aero design packages typically under- perform in salt flat environments so in typical British ingenuity the faults were compensated for in a design that existed only on paper without any evidence of prototyping nor wind

 
    43 Spring 2007 Issue    
 
 
 
 
 
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