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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 summarizing customer complaints related to clutch, dynamo, and exhaust systems.

Identifier  ExFiles\Box 130\1\  scan0242
Date  30th June 1935 guessed
  
- 4 -

CLUTCH SLIPS.
                    25 HP.        PH.II.        TOTAL.        G'ND TOTAL.    REMARKS.
June Quarter.        C.C.    104        14        118)
                    C.P.    12        8        20)            138            Slipping is often due to oil on the fabrics. Depot Sheets Hd.{Mr Hayward/Mr Huddy}185, Hd.{Mr Hayward/Mr Huddy}196 and Hd.{Mr Hayward/Mr Huddy}205. Pressure ring serrations are being modified to prevent binding. See Depot Sheet Hd.{Mr Hayward/Mr Huddy}242. Depot sheet Hd.{Mr Hayward/Mr Huddy}254 describes treatment for clutch slip.

Previous Quarter.    C.C.    82        13        95)
                    C.P.    8        12        20)            115

Six Months.                206        47        253            253

DYNAMO COMPLAINTS.

June Quarter.        C.C.    30        4        34)
                    C.P.    4        1        5)            39            These are mainly noisy ball races. Roller bearing now being fitted at one end of armature to replace ball bearing and a reduction in these complaints is anticipated. Voltage control on 20/25 HP. and 40/50 HP. should reduce complaints of undercharging etc.

Previous Quarter.    C.C.    39        9        48)
                    C.P.    5        -        5)            53

Six Months.                78        14        92            92

TOTAL EXHAUST COMPLAINTS.

June Quarter.        C.C.    20        28        48)
                    C.P.    20        22        42)            90

Previous Quarter.    C.C.    22        31        53)
                    C.P.    32        20        52)            105

Six Months.                94        10        195            195

EX HAUST MANIFOLD CRACKED OR BROKEN.

June Quarter.        C.C.    -        -        -)
                    C.P.    -        -        -)            -            Early 20/25 HP. Exhaust manifolds with cooling fins are now available. No failures of this type yet reported. Depot Sheet Hd.{Mr Hayward/Mr Huddy}229. PH.II. Flange bosses now thickened up to prevent cracking.

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

Six Months.                -        -        -            -
  
  


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