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).
5,000-mile test report listing fourteen points for investigation and action on chassis 21-G-IV.
| Identifier | ExFiles\Box 5a\4\ 04-page111 | |
| Date | 4th September 1934 | |
| G.W.H. <582D Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}14/KW.4.9.34. 5,000 Miles Report - 21-G-IV. (1) Piston skirt collapsing. (2) Con. rod big ends failing on the top. (3) Valves no quieter than standard when using Halford tappets. Overoiling. (4) Loss of oil pressure when braking. What are the baffles like ? (5) Wear in front links. Where is this. What can be done to remedy ? (6) Collapse of rubber blocks on engine mounting. How bad is this ? (7) Peregrine fan. Height of Harrison radiator on 20/25. (8) Stretching of manifold studs. (9) Were lap speeds, 28-EX, C.O. closed or open. (10) Test Paris trials car against 28-EX. Bring back 21-G-IV. Fit clutch as on the Bentley or standard. Fit "La{L. A. Archer} Salle" steering. (11) Fit Bentley tappet springs to 21-G-IV. (12) Latest linings for the servo. (13) What about standardising the smaller dynamo. (14) Gun metal piece for splines. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||