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 weight of the Inertia Ring for a 10' Borg & Beck clutch.
| Identifier | ExFiles\Box 129\2\ scan0032 | |
| Date | 28th March 1935 | |
| To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} from RHC.{R. H. Coverley - Production Engineer} c. Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} c. Hs{Lord Ernest Hives - Chair}/TD. X2200 RHC.{R. H. Coverley - Production Engineer}4/MS28.3.35. RE: 10" BORG & BECK CLUTCH ON 3. B. IV. (B.9. UNIT). In connection with the above, will you please note that the weight of the Inertia Ring Ex.17549, fitted as instructed under Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}20/KW.29.1.35, is 14.5 lbs. RHC.{R. H. Coverley - Production Engineer} | ||