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 rear and front springs and fittings, detailing dimensions, materials, and modifications.
| Identifier | ExFiles\Box 169\1\ img014 | |
| Date | 13th June 1929 | |
| (2) RHC{R. H. Coverley - Production Engineer}/FW4/MS13.6.29. Rear Springs & Fittings - L.O.P. F.79627. O.S. N.S. Drg: No. F.79439 F.79439 Piece No. F.79444 F.79444 Type 1200 lbs. 1200 lbs. Loaded lbs. 1176 " 1168 " Loaded Camber Flat Flat Length 56" 56" Initial Camber 3¼" 3¼" Material Silico Manganese. (1) Grooves & Oil Holes as shewn on drg: F.80496 N.S.2813 machined in all plates with exception of Bottom ones. Sheaths fitted over grooves in main plates to guide oil flow & protect from dirt etc. Wefco Gaiters modified by removing Lubricators & fitting felt lining strips. (2) Improved Rear Spring Front anchorage suitable for larger snouts to accomodate Spring Gaiters using New Spring Shackle Covers F.80491-2-3-4-5 to N.S.2813. Front Springs & Fittings - L.O.P. F.79626. O.S. N.S. Drg: No. F.78792 F.78792 Piece No. F.78795 F.78795 Type 1000 lbs. 1000 lbs. Loaded lbs. 1028 " 1021 " Loaded Camber Flat Flat Length 45" 45" Initial Camber 3.125 3.050 Material Silico Manganese. (1) Grooves & Oil Holes as shewn on F.80467 - N.S.2787 machined in all plates with exception of Bottom ones. Sheaths fitted over grooves in main plates to guide Oil flow and protect from dirt etc. Wefco Gaiters modified by removing Lubricators and fitting felt Lining strips. (2) Improved Front Spring Rear Anchorage suitable for larger snouts to accomodate Spring Gaiters to N.S.2787. Contd. | ||