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).
Modifications to spring suspension components and spring load specifications.
| Identifier | ExFiles\Box 6\6\ 06-page272 | |
| Date | 21th August 1937 | |
| - 9 - Spring Suspension (Continued). M.S.5105. Modified Front Sheetmetal Crossmember. M.S.5106. Modified and Lightened Main Forging. M.S.5113. Additional Crossmember behind Radiator. M.S.5116. Hexagon headed bolts securing bump rubber. GW.794/5. Triangle Levers - Upper. GW.847/8. " " - Lower. GW.1285/6. " " - Bottom. GW.1292. Oil Pipe Connection - BS{A J. Barnes - Assistant Manager}/FC. GW.734. Shock Damper Piston - I/C. GW.736. " " Bellows. GW.737. Main Levers. GW.740. Main Spring Housing - A/C. GW.799. Top Rubber Buffers. Main Lever Housings may be made in cast steel. GW.1596. Bottom Rubber Buffer. GW.1569. Oil Filler Pipe - A/C. GW.1554. Three-Way Connection - BS{A J. Barnes - Assistant Manager}/G.{Mr Griffiths - Chief Accountant / Mr Gnapp} GW.738. Valve Block. GW.1287. Plug - Replenishing Valve. Initial load of dampers 45 lbs. - valves raised off seats .005". Copper and Asbestos Washers removed from under filler cap. Details of Springs. GW.432. Outer Springs. GW.433. Inner " No. 30 Off Side. No. 31 Near Side. Inner Spring 955 lbs @ 5.805" Inner Spring 955 lbs. @ 5.805" " " 1375 lbs @ 4.810" " " 1385 lbs. @ 4.810" Outer Spring 1965 lbs @ 6.055" Outer Spring 1970 lbs. @ 6.055" " " 2950 lbs @ 5.060" " " 2966 lbs. @ 5.060" -------------------- continued. -------------------- | ||