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).
Response clarifying the average speed of the Goshawk chassis on a bumper, assuming specific tyres are fitted.
| Identifier | WestWitteringFiles\H\April1922\ Scan39 | |
| Date | 6th April 1922 | |
| Da.{Bernard Day - Chassis Design} from Hs{Lord Ernest Hives - Chair}/TMW. ORIGINAL. 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. | ||