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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).
Engine and hydraulic complaints over two quarters, including remarks on causes and fixes.

Identifier  ExFiles\Box 130\1\  scan0188
Date  8th February 1935 guessed
  
- 6 -

ENGINE - RATTLE FROM TIMING GEARS. 25 HP. PH.II. TOTAL. GRAND TOTAL. REMARKS.

December Quarter. C.C. 54 26 80) 20/25 HP. Synchromesh cars. Cam balancing
C.P. 15 8 23) 103 device now standardised on new cars and
design for existing cars is available to
Previous Quarter. C.C. 66 30 96) overcome gear rattles.
C.P. 19 10 29) 125 40/50 HP. Mainly knock from camshaft and
is cured by reducing end play.
Six Months. 154 74 228 228

ENGINE - VALVE SPRINGS
BROKEN OR WEAK.

December Quarter. C.C. 2 2 4) Valve spring failures are still rather
C.P. - - -) 4 prevalent and an improvement is desirable.

Previous Quarter. C.C. 10 9 19)
C.P. 1 7 8) 27

Six Months. 13 18 31 31

TOTAL HYDRAULIC COMPLAINTS.

December Quarter. C.C. 12 12 24)
C.P. 3 5 8) 32

Previous Quarter. C.C. 31 17 48)
C.P. 4 1 5) 53

Six Months. 50 35 85 85

HYDRAULIC KNOCKS.

December Quarter. C.C. 9 7 16) Knocks on existing dampers are being satis-
C.P. 2 3 5) 21 factorily dealt with by modifying the
replenishing ball valves and fitting oil feeds
Previous Quarter. C.C. 22 13 35) to intermediate levers as per Depot Sheet
C.P. 3 1 4) 39 Hd.{Mr Hayward/Mr Huddy}225. The split piston type now being
produced appears satisfactory in service.
Six Months. 36 24 60 60
  
  


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