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).
Specifications for front and rear springs, damper loads, car weight, and buffer clearances.
| Identifier | ExFiles\Box 18\3\ Scan220 | |
| Date | 7th March 1931 | |
| To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} From Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} X7960. Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey}2/KT.7.3.31. 58-CN.{Mr Chamberain} Springing. Front Springs. Piece No. F.78797. N.S. O.S. Loaded lbs. 1108. 1120 Loaded camber. Flat. Flat Initial camber. 4.50" 4.46" Rear Springs. Loaded lbs. 1346 1368 Loaded camber. Flat Flat Initial camber. 10.25" 10.25" Damper Loads. Front. - 100/95 lbs. H.P. valve drilled .032" dia. Rear. - 60/60 lbs. No leak. Car Weight. (Unladen) Two spare wheels. One at rear. Front. 22 cwt 1 qr 21 lbs. Rear. 28 cwt 2 qrs 7 lbs. Total. 51 cwt 0 qrs 7 lbs. Buffer Clearances. N.S. O.S. No Passengers. Front 1.9" 1.9" Rear. 4.85" 4.9" 4 Passengers. Front. 1.8" 1.7" Rear. 3.75" 3.75" -------------------------- | ||