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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).
Technical report detailing issues with the front axle, brakes, radiator, bonnet, and wheel carriers.

Identifier  ExFiles\Box 5a\4\  04-page234
Date  27th February 1935
  
-7-
Front Axle and Brakes. LOP. C.54641.
The brakes were good for efficiency. At times they thumped. This was cut out by adjusting the brakes and the friction arm of the servo linkage. The drums had become ridged with wear, the o.s. being very bad. This is more noticeable when running the mileage in the wet weather. The front axle showed no weakness. Attachment to road springs remained firm. No slackness had developed in the pivot pins.

Hand & Foot Brake Adjusting Shafts.
There is a quantity of oil leaking out of the spherical bearings. A reduced nijur feed is necessary.

Radiator Centrally Mounted. LOP. R.86831.
As a/c. Harrison matrix. (Veriflow type Ltd.490).
The radiator was free from water leaks. The overflow pipe with the outlet facing forward was an asset in preventing water loss from the radiator. The centrally mounting of the radiator did not cure entirely the movement of the radiator, or prevent bonnet knocks. It was found necessary to take out the distance pieces from the side control springs to allow for the distortion of the frame and lessen cause of bonnet knocks.

Bonnet - Plain LOP. A.52472.
The bonnet knocked on the scuttle and caused a deep indent where the hinge came in contact with the scuttle. It was considerably reduced by giving more freedom to the radiator movement sideways. The knocks were worse than with the solid mounted radiator. The bonnet fasteners showed wear on the anchor pins.

Side Spare Wheel Carriers. LOP. D.83516.
The bolts of the dashboard stay to spare wheel bracket became loose during the latter part of the mileage.
  
  


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