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(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) 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(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) 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. | ||
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).