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 vehicle springs, dampers, weight, and clearances.
| Identifier | ExFiles\Box 17\1\ Scan014 | |
| Date | 7th March 1931 guessed | |
| G.L.R.59 Springing. Piece No. F.57498. Front Springs. 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.P. valve drilled .055" dia. Rear. - 115/90 lbs. H.P. 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" ----------------- | ||