| 1933 Napier-Railton | |
|---|---|
 The Napier-Railton, before a test run at Brooklands Museum, Weybridge | |
| Overview | |
| Designer | Reid Railton |
| Body and chassis | |
| Body style | Single-seater |
| Layout | FR layout |
| Related | Napier-Bentley |
| Powertrain | |
| Engine | 24 L Napier XIA W12 aero engine |
The Napier-Railton is an aero-engined racing car built in 1933, designed by Reid Railton to a commission by John Cobb, and built by Thomson & Taylor. It was driven by Cobb, mainly at the Brooklands race track where it holds the all-time lap record (143.44 mph (230.84 km/h)) which was set in 1935. The circuit was appropriated for military purposes during the Second World War, and never reopened in that form for racing. It has a W12 engine with 3 different exhaust systems.