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).
Quarterly statistical report on customer complaints related to inefficient brakes, servos, and clutches.

Identifier  ExFiles\Box 130\1\  scan0241
Date  30th June 1935 guessed
  
- 3 -
BRAKES INEFFICIENT.
25 HP. PH.II. TOTAL. G.ND TOTAL. REMARKS.
June Quarter.
C.C. 74 25 99)
C.P. 31 9 40) 139
Previous Quarter.
C.C. 71 31 102)
C.P. 51 7 58) 160
Six Months.
227 72 299 299

SERVO INEFFICIENT, ALSO JAGGERS AND GRABS.
June Quarter.
C.C. 17 4 21)
C.P. 14 4 18) 39
Previous Quarter.
C.C. 17 5 22)
C.P. 18 4 22) 44
Six Months.
66 17 83 83

REMARKS:
20/25 HP. 35º servo cams improve efficiency and are used in cases of complaint. See Depot Sheet No. Hd.{Mr Hayward/Mr Huddy}284. Inefficiency may also be due to oil on servo.
Oil feed to servo is now deleted on new cars and Depot Sheet Hd.{Mr Hayward/Mr Huddy}253 has been issued, instructing retrospective action.
Depot Sheet No. Hd.{Mr Hayward/Mr Huddy}252 describes treatment for inefficient servos.
Oil guards to Depot Sheets Hd.{Mr Hayward/Mr Huddy}244 and Hd.{Mr Hayward/Mr Huddy}232 are being fitted.

TOTAL CLUTCH COMPLAINTS.
June Quarter.
C.C. 136 14 150)
C.P. 15 9 24) 174
Previous Quarter.
C.C. 122 15 137)
C.P. 15 12 27) 164
Six Months.
288 50 338 338

CLUTCH JAGGERS.
June Quarter.
C.C. 32 - 32)
C.P. 3 1 4) 36
Previous Quarter.
C.C. 40 2 42)
C.P. 7 - 7) 49
Six Months.
82 3 85 85

REMARKS:
An improvement can be effected by fitting new RAD.II type fabrics. This material is now available for all Ph.II and 20/25 HP. cars. See Depot Sheets Hd.{Mr Hayward/Mr Huddy}185 and Hd.{Mr Hayward/Mr Huddy}196.
Modification to synchromesh mechanism reduces jagger on second gear.
  
  


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