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).
Fault analysis chart from 1939 tracking clutch and brake issues over six months.

Identifier  ExFiles\Box 131\3\  scan0077
Date  1st June 1939 guessed
  
Title and Headers:
1939
JAN, FEB, MARCH, APRIL, MAY, JUNE

Section 1: CLUTCH JAGGER
Codes:
A - UNIT CHANGED
B - PLATE CHANGED
C - RELINED
D - EASE SPLINES
E - RESET FINGERS
F - RESET PROP. SHAFT DAMPER
G - WORN OUT
H - THRUST RACE NOISY
Data/Notes from Chart: 7, 3, P181, 8

Section 2: BRAKE SQUEAK
Codes:
A = ROUGH UP RESET
B = RELINE
C = FIERCE POLISH DRUMS
D = FRONT PULL UNEVEN
E = HAND BRAKE POOR
F = ANTI JUDDER LINKS RATTLE
G = REAR STICKS
Data/Notes from Chart: 10, P159, 13, 20, 31,500 MILES, 22,000 MILES, 21,520, AVERAGE 23,595
General Notes:
C WORN DOWN TO RIVETS AVERAGE MILEAGE 23.000
COMPLAINTS REPORTED ARE BASED ON A MILEAGE UP TO 13.000. ABOVE THIS THEY ARE GENERALLY CHARGED FOR AND NOT REPORTED.

Section 3: BRAKES INEFFICIENT
Subtitle: RELINE OR ROUGH UP SERVO
Codes:
A - ROUGH UP
B - RELINE
Data/Notes from Chart: 4, 7, 6, 5

Section 4: BRAKE MECHANISM SQUEAKS
Data/Notes from Chart: 2, 2, HAND BRAKE, P185

Footer: G.W.H. 5
  
  


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