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).
Proposed increase in clutch spring force for the 25HP and Phantom II models.
| Identifier | ExFiles\Box 13\7\ 07-page135 | |
| Date | 7th July 1932 | |
| X-300. Da.{Bernard Day - Chassis Design} From Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}5/MA.7.7.32. x53 00. CLUTCH SPRINGS. As requested on the telephone the clutch spring force on the 25HP is 143 lbs which we propose increasing to 165 lbs. The P.II spring we have increased from 220 to 253 lbs. In both cases the increase is 15%. Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} | ||