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).
Specification sheet detailing the weight comparisons of various vehicle components.
| Identifier | ExFiles\Box 88\3\ scan0153 | |
| Date | 5th April 1935 | |
| Sheet (2) RHC.{R. H. Coverley - Production Engineer} 5/ETM.5.4.35. Fly-Wheel & Clutch - LOP. GB.1648 - GL.{G. Linnett}760 -7 - NS.{Norman Scott}3948. 4136. Weight of Hs.{Lord Ernest Hives - Chair}1854 driven plate with Raybestos FFl. Linings and Ex.17694 driving sleeve - 3.750 lbs. Weight of parts removed Ex.14190 driven plate, V.M.20 linings and G.50219 driving sleeve - 4.375 lbs. Weight reduction - .625 lbs. Weight of standard spring centre with RAD.11 linings rivetted to driven plate - 6.500 lbs. i.e. weight reduction as compared with standard - 2.750 lbs. Change Speed Mechanism - N Sch. 4355-4375 arrgt. Ex.16646. Weight of isolated mechanism - 9.750 lbs. Weight of Standard " - 7.125 lbs. Weight increase - 2.625 lbs. Servo Motor - LOP.GB.1316. Weight of Servo to N.Sch.3971. Hs.{Lord Ernest Hives - Chair}1631 fitted - 10.250 lbs. Weight of Servo to N.Sch.3971, 3928 removed - 8.875 lbs. Weight increase - 1.375 lbs. Continued. | ||