Rolls-Royce Archives
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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
  
  


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