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).
The average speed of a Goshawk chassis on a bumper rig.
| Identifier | ExFiles\Box 119\2\ scan0172 | |
| Date | 6th April 1922 | |
| X4268 Da.{Bernard Day - Chassis Design} from Hs{Lord Ernest Hives - Chair}/TMW. Hs{Lord Ernest Hives - Chair}/TMW1/LG6.4.22. GOSHAWK CHASSIS ON BUMPER. X4268 Referring to your Da{Bernard Day - Chassis Design}2/M4.4.22. we presume that you are referring to the Goshawk fitted with 820 X 120 tyres. Under this condition the average speed of the bumper chassis is equivalent to 16 M.P.H. Hs{Lord Ernest Hives - Chair}/TMW. | ||