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 customer complaints regarding suspension issues, specifically 'bumping on buffers', with suggested remedies.
| Identifier | ExFiles\Box 16\7\ Scan265 | |
| Date | 23th May 1930 guessed | |
| LIST OF COMPLAINTS COMPILED BY THE REPAIR DEPT. TOGETHER WITH THEIR SUGGESTIONS AS TO MEANS OF OVERCOMING THEM. BUMPING ON BUFFERS. (1) 21-GN. Vanderbilt. Owner touring in Algiers and complains of crashing on buffers. Body 2 cwt. overweight but springs too weak even for correct loading. 1400 lbs. springs being sent out to Algiers. (2) 99-XJ. Henderson. Bumps on rear buffers. Body only 1 cwt. overweight but owner carries 2 cwts. luggage. 1500 lbs. rear springs being specially obtained. (3) 102-XJ. Shenstone. Bumps on rear buffers. 100 lbs. stronger rear springs being fitted. Body 1 cwt. overweight. (4) 1-GN. Gliksten. Bumps on rear buffers. Body 1 cwt. overweight. 150 lbs. stronger rear springs being fitted. After fitting buffer clearance 3.5". Owner still complains of bumping. (5) 140-XJ. Gliksten. Bumps on rear buffers. 100 lbs. stronger rear springs fitted. Body weights O.K. Buffer clearance before alteration 3.375". (6) 55-WJ. Barclay. Bumps on rear buffers. Body weights O.K. 100 lbs. stronger springs fitted. (7) 68-XJ. Billyarde-Leake. Bumps on rear buffers and rolls on corners at speed. Driven a good deal by Bentley people. 100 lbs. stronger rear springs and increased damping of rear shock dampers. (8) 54-XJ. Major Colin Cooper. Bumps on rear buffers. Body 1 1/2 cwts. overweight. 100 lbs. stronger rear springs fitted. (9) 109-WJ. Dreyfus. Bumps on rear buffers. Body 2 cwts. overweight. 175 lbs. stronger rear springs fitted. Buffer clearance before alteration 2.75". (10) 64-WJ. Major Grigg. Bumps on rear buffers. Body 3 cwt. overweight. 300 lbs. stronger rear springs. (11) 131-XJ. Sir Robert Hadfield. Bumps on rear buffers. This is admittedly an extreme case, but owner maintains we knew his normal load. (12) 135-XJ. D.L.Hamilton. Bumps on rear buffers. Body 1 cwt. overweight. 150 lbs. stronger rear springs. (13) 25-XJ. MacTaggart. Bumps on rear buffers and dithers. Body weights O.K. 100 lbs. stronger rear springs and Valves suggested. | ||