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).
Alteration to a Speedo Drive, replacing a cover spring valve to prevent the unit from moving.
| Identifier | ExFiles\Box 165\2\ img233 | |
| Date | 9th April 1940 | |
| elec File 6065 TS RH{R. Hollingworth} 133 RG{Mr Rowledge} 9.4.40 SENIOR RANGE SPEEDO DRIVE SEC 6035 RG{Mr Rowledge} 500 SPEEDO DRIVE L O D ALTERATION G.B. 3563 COVER SPRING VALVE. REPLACED BY G.B. 5345 REASON TO PREVENT UNIT MOVING OUT OF POSITION AND FALLING INTO GEARS WHEN DAMPER IS IN THE 'SOFT' POSITION EXISTING STOCK TO BE USED RGh. Nots | ||