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).
List of specifications and modifications for the 25 HP Bumper Chassis.
| Identifier | ExFiles\Box 119\2\ scan0380 | |
| Date | 7th June 1934 | |
| To RHC.{R. H. Coverley - Production Engineer} +4268 Hs{Lord Ernest Hives - Chair}/Les.15/KW.7.6.34. 25 HP. BUMPER CHASSIS. This should be built to the latest L.O.P's. including :- (1) Modifications to battery and 3rd cross member to provide larger footwells, to EVS.114 and R.R.Sch.602/3. (2) Concealed front cross member to LeC.3774 and R.R.Sch.593. (3) Revised brackets for dampers, N.Sch.3905. (4) Strengthened attachment for front dampers, N.S.3905. (5) Low rating road springs, front 750 lbs., rear 1100 lbs. (6) Production petrol tank. (7) F.{Mr Friese} type dashboard and steering column. (8) Shock dampers to L.O.P. F.60247 including valve chamfers, R.R. Sch.469. (9) Front and rear axles without gears or brakes. (10) Flexible engine mounting to LeC.3909, 3937, 3912. (11) Centre radiator mounting, LeC.3891. (12) Cantilever pedals, LeC.3893. (13) Production bonnet. Hs{Lord Ernest Hives - Chair}/Les.{Ivan A. Leslie} | ||