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 springing, detailing front and rear springs, damper loads, car weight, and buffer clearances.
| Identifier | ExFiles\Box 17\1\ Scan012 | |
| Date | 7th March 1931 guessed | |
| 16.G.IV. Springing. Front Springs. Piece No. F.57498. N.S. O.S. Loaded lbs. 632 - 809 635 - 763 Loaded camber. 1" Pos. - 1/2" pos. 1" Pos. - 1/2" Pos. Initial camber. 4.937" 4.937" Rear Springs. Loaded lbs. 812. 822. Loaded camber. Flat. Flat. Initial camber. 6.250" 6.250" Damper Loads. Front. - 90/90 lbs. - one .055" dia. leak. HP. valve. Rear. - 90/90 lbs. - one .055" dia. & one .032" dia leak. HP. valve. Car Weight. (Unladen). One Spare wheel at rear. Front. 14 cwt. 2 qrs. 14 lbs. Rear. 17 cwt. 1 qr. 0 lbs. Total. 31 cwt. 3 qrs. 21 lbs. Buffer Clearances. N.S. O.S. No Passengers. Front 2.2" 2.15" Rear 4.85" 4.9" 4 Passengers. Front 1.85" 1.7" Rear 3.6" 3.55" ------------------- | ||