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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).
Statistical report on vehicle faults including carburetter flooding, frayed fan belts, noisy hubs, and starting handle failures over a six-month period.

Identifier  ExFiles\Box 130\1\  scan0252
Date  30th June 1935 guessed
  
- 14 -

CARBURETTER FLOODING.
            25 HP.    PH.II.    TOTAL.    G D TOTAL.    REMARKS.
June Quarter.    C.C.    19    2    21)            Probably due to foreign matter.
        C.P.    3    -    3)    24        Filter is being fitted to float chamber on cars after GYD-25. See Depot Sheet Hd.{Mr Hayward/Mr Huddy}287.

Previous Quarter.    C.C.    11    3    14)
        C.P.    -    2    2)    16

Six Months.        33    7    40    40


FAN BELT FRAYED OR STRETCHED.

June Quarter.    C.C.    7    1    8)
        C.P.    19    3    22)    30

Previous Quarter.    C.C.    2    1    3)
        C.P.    17    10    27)    30

Six Months.        45    15    60    60


HUBS NOISY.

June Quarter.    C.C.    13    3    16)            These are mainly noisy ball races in front hubs. A roller bearing is to be introduced in place of inner ball bearing on 20/25 HP. cars, which should reduce these complaints.
        C.P.    2    2    4)    20

Previous Quarter.    C.C.    29    1    30)
        C.P.    2    1    3)    33

Six Months.        46    7    53    53


STARTING HANDLE FAILURES.

June Quarter.    C.C.    8    -    8)            The splines in handle are too soft and are easily burred over.
        C.P.    -    -    -)    8

Previous quarter.    C.C.    13    -    13)
        C.P.    1    -    1)    14

Six Months,        22    -    22    22
  
  


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