The March 92S was a Group C racing car designed by March Engineering and Simtek in 1991. Developed as the car that March would re-enter the World Sportscar Championship with, it would have used a 3.5-litre naturally-aspirated Judd GV V10 engine. However, the 92S project was never completed, due to March Engineering's financial difficulties. Design and development In 1991, March Engineering began the development of a Group C car for the World Sportscar Championship, and named it the 92S. The 92S was initially designed by Andy Thorby, and a concept model was presented at Silverstone on 17 May 1991. The wind tunnel model was also simpler than the initial concept model, with features such as the twin-tier rear wing being removed; however, the rear diffuser was unusually long for a Group C car. The monocoque itself was to be made from carbon fibre and aluminium honeycomb, with the suspension consisting of double wishbones with pushrods.<ref name="mulsannes 1"/> However, no orders were ever placed, with financial difficulties at March Engineering resulted in the project's cancellation.<ref name="mulsannes 1"/> After Simtek were liquidated, the wind tunnel model was sold with the company's other property.<ref name="mulsannes 1"/>
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