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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).
Summary of hydraulic complaints for 25 HP and Phantom II models over two quarters.

Identifier  ExFiles\Box 130\4\  scan0053
Date  30th June 1936 guessed
  
- 6 -

TOTAL HYDRAULIC COMPLAINTS.

25 HP. PH.II. TOTAL. GRAND TOTAL. REMARKS.
June Quarter. C.C. 68 42 110)
C.P. 19 8 27) 137

Previous Quarter. C.C. 56 24 80)
C.P. 19 6 25) 105

Six Months. 162 80 242 242

HYDRAULIC KNOCKS.

June Quarter. C.C. 54 26 80)
C.P. 7 6 13) 93 Some of these knocks are from damper
connections or loose bolts. Remainder
Previous Quarter. C.C. 40 23 63) are internal knocks from pistons and
C.P. 11 4 15) 78 bearing pads or main bushes. Better
fitting bushes are being used on
Six Months. 112 59 171 171 Production.

HYDRAULIC LEAKS.

June quarter. C.C. 8 5 13)
C.P. 1 - 1) 14

Previous Quarter. C.C. 3 1 3)
C.P. 2 - 2) 5

Six Months. 14 5 19 19

HYDRAULICS LOOSE ON FRAME.

June Quarter. C.C. 3 3 6)
C.P. 6 1 7) 13 Larger diameter bolts now being fitted on
Production to overcome this complaint.
Previous Quarter. C.C. 7 - 7)
C.P. 3 - 3) 10

Six Months. 19 4 23 23
  
  


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