From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Effect of different cooling fans on a vehicle's maximum speed and lap time.
| Identifier | ExFiles\Box 87\1\ scan0087 | |
| Date | 14th September 1934 | |
| -3- Hs{Lord Ernest Hives - Chair}/Std.13/KW.14.9.34. Effect of Cooling Fans on Maximum Speed. | Type of Fan fitted. | Time for 1 Lap Secs. | Speed M.P.H. | |---|---|---| | No Fan | 117.5 | 84.8 | | Std. Bentley Fan | 120.0 | 83.0 | | Std. 20/25 HP. Fan | 121.5 | 82.0 | Attached are results of some similar tests carried out on both the standard Bentley matrix and the 58 m.m. Marston Mark V matrix by C.W. Hancock in France (Sheets 4 & 5). Hs{Lord Ernest Hives - Chair}/C.S.Steadman. | ||