Bill Chaplin

Chief Engineer

The man behind Empire Racing Cars, Bill has been involved in motor racing for most of his life, professionally building cars since 2000.

An accomplished motorcycle and trike rider. In 1998, Bill was British National Hill Climb Champion on his trike with his wife ‘Livvy’.

Bill has designed or built cars that now hold four class records at Shelsley Walsh – the hill considered as the pinnacle of speed hill climbing in the UK, if not the world. 600cc, 1100cc, 1600cc and 2 litre sportscar records have all been held by cars built by Bill at Shelsley Walsh.


Willem Toet


Willem is a Formula 1 race and world championship winning aerodynamicist who is currently in charge of design at Sauber F1.

Formerly Willem worked at Benetton F1, at Ferrari during the height of the Schumacher years before returning to the UK to work at Honda F1. He is now Head of Technical at Sauber F1 in Switzerland

Willem has an enormous amount of driving talent, having taken Top 12 Run Off victories in the British Hill Climb Championship with his own ever aerodynamically modified car. The charismatic engineer can ‘see air’ flowing over a car with a commanding eye.

Dave Spires


An award winner in Formula Student, Dave Spires then worked at Empire Racing Cars’ premises before going to BAR/Honda/Brawn F1 GP for nearly four years.

His skill is in designing the rear end of cars and the packaging involved in that as more components are placed into smaller and smaller areas. Dave is your man for this...

In his mid 20s, Dave is now working for the Lotus F1 team following time at Scuderia Torro Rosso.

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