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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 report analyzing customer complaints and defects for S.U. petrol pumps, engine over-oiling, Stromberg carburetters, and faulty regulators.

Identifier  ExFiles\Box 130\4\  scan0153
Date  31th March 1937 guessed
  
- 11 -

S.U. PETROL PUMPS.

25 HP. 30 HP. PH.II. PH.III. TOTAL. GRAND TOTAL. REMARKS.

March Quarter.
C.C. - 26 - 22 48)
C.P. - 14 - 8 22) 70

Previous Quarter.
C.C. - 54 - 7 61)
C.P. - 15 - - 15) 76

Six Months.
- 109 - 37 146 146

REMARKS:
Most of these complaints are of noise.
These pumps are difficult to get quiet
All pumps are now being changed for
new ones with G5 diaphragms.

ENGINE OVER-OILING.

March Quarter.
C.C. 8 37 1 20 66)
C.P. 3 - - - 3) 69

Previous Quarter.
C.C. 8 31 4 2 45)
C.P. 4 - 1 - 5) 50

Six Months.
23 68 6 22 119 119

REMARKS:
These complaints on 25/30 HP. are being
dealt with by fitting "L" section rings.
Ph.III. Modifications to valve guides
now being carried out to overcome
these troubles. Depot Sheet No.
Hd.{Mr Hayward/Mr Huddy}338.

STROMBERG CARBURETTER DEFECTS.

March Quarter.
C.C. - 14 - 7 21)
C.P. - 2 - - 2) 23

Previous Quarter.
C.C. - 9 - - 9)
C.P. - - - - -) 9

Six Months.
- 25 - 7 32 32

REMARKS:
12 Flooding.
2 Spitting back.
2 Flat spot.
5 Leaking.
1 Petrol starvation.
1 Choke spindle sticking.

FAULTY REGULATOR.

March Quarter.
C.C. 12 1 2 2 17)
C.P. 3 - - 1 4) 21

Previous Quarter.
C.C. 9 - 3 2 14)
C.P. 3 - - - 3) 17

Six Months.
27 1 5 5 38 38
  
  


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