(Southlake TX; December 2015)
GSpeed (Cresson, Texas) contracted with NVision, Inc. to 3D-scan the chassis of a Dodge Viper as a critical step in GSpeed’s goal of building what is expected to be among the fastest Vipers in racing history. NVision, Inc., a leader in reengineering services and technology, scanned the chassis at 12 times greater accuracy and with a 27% reduction in cost compared to the manual measurements that had been used previously. NVision’s high-accuracy 3D scanning was a key factor in creating the “Unlimited Class Viper” – one of the most heavily modified second generation Vipers ever.
The Dodge Viper has been a major force in endurance sports car racing for some time, scoring wins in the 24 Hours of Le Mans, 12 Hours of Sebring, Petit Le Mans, 24 Hours of Daytona, and the United SportsCar Championship Series among others. GSpeed is a leading racing and race car mechanic team whose record includes 1st place in the 2011 Dodge Viper Cup Season Finale at Daytona and the 2003 and 2004 SCCA Southwest Division T-1 championships.
One of the key challenges in reengineering the Viper was to determine the actual geometry of the chassis, which had already been modified and then banged up significantly over 15 years of racing.
Knowing the actual geometry of the chassis is critical to designing a new suspension system as well as the other modifications to the current vehicle that the team is working on. “If the frame is off by as little as 1/8 of an inch from what we think it is, the performance of the vehicle will drop significantly and all our work will be for nothing,” said Jake Sieverling, Design Engineer for GSpeed. In previous projects, the company used hand measurements. Those were accurate to within about 1/16 inch. Sieverling estimates that if hand measurements had been used on this project the labor cost would have amounted to about $11,000.
“I talked to four service bureaus and picked NVision because they use high-quality equipment that we are familiar with,” Sieverling said. “NVision technicians used an NVision HandHeld scanner attached to a mechanical arm that moved about the chassis, capturing data rapidly with a resolution of 0.001 inch. NVision completed the job in less than two weeks and provided a parametric SolidWorks model of the frame as it currently exists.
“We were very happy with the accuracy, delivery time and service provided by NVision as well as the cost of the project,” Sieverling said. “Knowing that the geometry we are working with is accurate gives us confidence that we can achieve our goal of building one of the fastest second generation Dodge Viper ever. We are planning to use this extremely fast vehicle for time trials only at this point rather than as a wheel-to-wheel race car.”
For more information, contact NVision, Inc., 577 Commerce Street, Suite 100, Southlake TX, 76092. Tel: 817.416.8006, Fax: 817.416.8008, Email: firstname.lastname@example.org, Web: http://www.nvision3d.com/
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