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).
Blueprint analyzing steering column movement under different support conditions to find a cure for trouble.
| Identifier | ExFiles\Box 17\3\ Scan188 | |
| Date | 8th March 1928 guessed | |
| CONDITION OF CAR Ⓐ As it left DERBY SUPPORTS 1 & 6 Ⓑ As A.{Mr Adams} DUST COVER 3 MADE INTO RIGID CLAMP Ⓒ As B. TWO LIGHT STAYS LIKE 4 ADDED (D) As C. COLUMN STAY MOVED FROM 1 TO 2 (E) As A WITH TUBULAR SUPPORT 5 ADDED (F) As A WITH SEMI ISOLATION (G) As D WITH SEMI ISOLATION (H) As E WITH SEMI ISOLATION AND COLUMN SUPPORT 2 COLUMN MOVEMENT Ⓐ 100% MOVEMENT Ⓑ 80% MOVEMENT Ⓒ 80% MOVEMENT (D) 75% MOVEMENT (E) 10% MOVEMENT (F) 10% MOVEMENT (G) 5% MOVEMENT (H) 100% CURE OF TROUBLE HEAVY TUBULAR STAY EFFECTIVE COLUMN STEADY NO DASH FLEXIBILITY BETWEEN C AND A L SECTION SHEET METAL SUPPORT. NOT VERY EFFECTIVE. TOO MUCH WHIP BETWEEN A AND B DUST COVER AT PRESENT STANDARD DASH SUPPORTS CRACKING COLUMN MOVING .300 UP AND .500 DOWN AT THIS POINT WITHOUT EXTRA DASH STAYS OR SEMI-ISOLATION ANGLE OF RAKE 4.5° GREATER THAN STANDARD D TYPE STEERING. 15 E.X. STEERING COLUMN MOVEMENT | ||