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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).
Inspection report on the condition of front brakes, transmission, and gearbox components.

Identifier  ExFiles\Box 83\4\  scan0124
Date  31th January 1936 guessed
  
(4)

Front Brakes - cont.

Pivots GB.1882/3
Pivot Pins GB.1465
Roller Bearings for Pivot Pins} Condition good

Cross Steering Tube.

General condition good.

TRANSMISSION.

Gear Box Y-3-BD.{Mr Berend}

Gear Box & Actuating Gear.

Gear Box GB.1005 - general condition good.
Operating Stirrup G.55591 - slightly worn on side faces.
Remaining parts under this section in good condition.

1st Motion Shaft.

General condition good.

2nd Motion Shaft.

2nd Motion Shaft G.55798 worn on centre ball race section.
Flanged bushes for 2nd speed gear G.55824 worn on flanges. End float in 2nd speed gear - .008.

3rd Motion Shaft.

3rd motion shaft G.55809 worn on centre ball race section.
Flanged bushes for 3rd speed driven gear G.55811 worn on flanges. End float in 3rd speed gear - .012.
Inner cones are slightly scored but show even bedding.

Gearbox Ball Bearings.

Ball Bearing for front end 2nd Motion Shaft end float - .008".
All other ball bearings in good condition.

Backlash in Gears.

1st Speed Gears accumulated backlash - .012"
2nd " " " - .020"
3rd " " " - .050"
4th " " " - .022"
  
  


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