Speed of the Wind was a record-breaking car of the 1930s, built for and driven by Captain George Eyston.
The car was designed by Eyston and E A D Eldridge,[1] then built by the father of Tom Delaney[2] It was powered by an unsupercharged version of the V-12 Rolls-Royce Kestrel aero engine.[3] The car was too large and heavy for circuit racing and was already underpowered by the standards of the absolute speed record breakers. This car was designed for endurance, more than peak power. Running a supercharged engine with the fuel and materials technology of the day would never have lasted the duration. This particular engine was obtained second-hand from Rolls-Royce, where it had previously powered an airflow fan in an engine test cell.[4] Having always been intended for long-term use at ground level, it had been built without the Kestrel's usual supercharger.
For streamlining, distinctive features of the car are the two small "nostrils", headlights and air inlets in the nose. These produced less drag than a typical inlet and flat honeycomb radiator. The engine was cooled instead by a surface radiator wrapped around the top of the bodywork, just in front of the driver.
During testing, the car appears to have run, although not competitively, at either Brooklands or Montlhery.[5]
^"Ernest Eldridge". Autosport.
^"1928 Lea-Francis Hyper". Archived from the original on 2009-05-10.
^Eyston. Speed On Salt.
^Charles Jennings (2005). The Fast Set. Abacus. ISBN 0-349-11596-6.
^"Speed of the Wind running on an unidentified banked track". Brooklands photo archive.[permanent dead link]
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