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 load figures required to operate a single stage rear hydraulic jack removed from a 28-EX.
| Identifier | ExFiles\Box 139\2\ scan0251 | |
| Date | 15th May 1935 | |
| To Da.{Bernard Day - Chassis Design} X3117 Hs{Lord Ernest Hives - Chair}/Bwg.{J. C. Bowring}11/KW.15.5.35. Hydraulic Jacks. Further to memo. Hs{Lord Ernest Hives - Chair}/Bwg.{J. C. Bowring}13/KW.7.5.35. Initial load necessary to move Ram-pad from seating - 14 lbs. To extend Jack 1.00" .................... - 20 lbs. These figures were obtained from a single stage rear Jack removed from 28-EX. Hs{Lord Ernest Hives - Chair}/Bwg.{J. C. Bowring} | ||