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 for front and rear springs, damper loads, and buffer clearances.
| Identifier | ExFiles\Box 107\1\ scan0063 | |
| Date | 7th March 1931 | |
| COPY. Hs{Lord Ernest Hives - Chair}/L1d.2/KT.7.3.31. GLR-59 SPRINGING. Front Springs. Piece No. F.57498. N.S. O.S. Loaded lbs. 680. 680. Loaded Camber. 1" Pos. 1" Pos. Initial Camber. 5.00" 5.00" Rear Springs. Loaded lbs. 1030 1008 Loaded Camber. .5" Neg. .5" Neg. Initial Camber. 8.625" 8.625" Damper Loads. Front - 115/90 lbs. H.F. valve drilled .055" dia. Rear - 115/90 lbs. H.F. valve drilled .055" dia. Car Weight. (Unladen) One spare wheel at rear. Front. 15 cwt. 1 qr. 14 lbs. Rear. 19 cwt. 2 qr. 0 lbs. Total - 34 cwt. 3 qr. 21 lbs. Buffer Clearances. N.S. O.S. No passengers. Front. 2.25" 2.4" Rear. 5.4" 5.2" 4 Passengers. Front. 2.05" 2.0" Rear. 4.15" 3.9" ------------------ Springs sent off to be fitted 17.4.31. Rear Springs. F.57192. Loaded lbs. 1045. 1050. Loaded Camber. .5" Neg. .2" Neg. Initial Camber. 6.1" Pos. 6.1" Pos. | ||