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).
Comparing the improved parts of 6-Goshawk-11 against 4-Goshawk-11 and recommending its modernization.
| Identifier | WestWitteringFiles\I\August1922\ Scan36 | |
| Date | 10th August 1932 | |
| To R.{Sir Henry Royce} from Hs.{Lord Ernest Hives - Chair} c. to CJ. ORIGINAL Hs{Lord Ernest Hives - Chair}8/LG10.8.32. GOSHAWK 11. X4219 X4086 We should like you to run 6-Goshawk-11 whilst 4-Goshawk-11 is in London. Also, before 4-Goshawk-11 is returned to you from London, we would recommend that it should come to the Works to be modernized. 6-Goshawk-11 has the following improved parts fitted compared with 4-Goshawk-11. 1. Front springs. 2. Front shock absorbers and connections. 3. Rear " " 4. New type rockers without rollers. 5. Petrol tank with level indicator. 6. Improved Bendix Drive. 7. Improved Brake Gear. 8. Stiffer Brake Equalisers. 9. Improved axle shafts and differential. 6-Goshawk-11 has run between 16,000/17,000 miles. The main units have not been dismantled. 6-Goshawk-11 is better than 4-Goshawk-11 as regards absence of vibration at low speeds and also as regards steering. We will also fit to this car one of the latest side steering rods. We shall not, however, be able to fix the radius rods. If suitable to you, this car could be at W.W. on Wednesday next the 16th. inst. Hs.{Lord Ernest Hives - Chair} | ||