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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).
Log of faults and experiments concerning propeller shafts, rear axles, and brakes.

Identifier  ExFiles\Box 131\2\  scan0095
Date  16th July 1937 guessed
  
-4-

Propeller Shafts.
Oil leaks from universal joints not experienced on 25/30 or Ph III 15,000 miles cars or on exp. cars.
(Important. Out of balance vibration on Ph III - 31.Ex. Daily reports. 13.11.35 -
{ 7/13.5.36 -> 32 Ex - 22/23.5.36 - 5/7.6.36 - 14.6.36 - 16.6.36 - 17.6.36 - 18.6.36 - 22.6.36 - 24.6.36 - 25.6.36 - 35 Ex. 6.10.36 - 16.10.36 - 2.11.36 - 28/29.10.36 - 12.11.36 - 14/16.11.36 - 2.13.36 - 8.2.37 - 9.2.37 - 13.2.37 - 17.2.37 - 19.2.37 - 22.3.37 - 10.4.37 - 12.4.37 - 13.4.37 - 14.4.37 - 18.4.37 - 30.4.37 - 32 Ex (Hardy Spicer) 8.7.37 - 3.8.37 - 10.8.37.
Sliding joints not working freely under max torque & consequent clunks experienced with exp. cars.

Propeller Shaft & super. 25/30
Over-run noise & transmission rattles anticipated without damper & provision for fitting was therefore retained.

Rear Axles.
25/30. Broken diff. casing occurred on 22CJ in France causing noise but no trouble experienced with new strengthened case.
Oil leaks into rear hub past perfect oil seal experienced on 35Ex & 32Ex but surplus oil was dealt with by drain hole & did not enter brake drums. Daily reports. 20.4.37 - 21.4.37 - 22.4.37 - 11.7.37 - 3.8.37 - 4.8.37 - 8.8.37 - 11/16.8.37.

Brakes.

Brake Shafts Seized up. 25/30.
22CJ - Daily Reports. 18.3.36 - 6.5.36 - 15.11.36.

Brakes Squeak.
22CJ Daily reports. 9/10.3.36 - 11.3.36 - 13.3.36 - 14.3.36 - 15/16.3.36 - 17.3.36 - 18.3.36 - 19.3.36 - 20.3.36 - 5.5.36 - 6.5.36 - 10/11.5.36 - 13.5.36 - 4/8.6.36 - 9.6.36 - 11.6.36 - 13.6.36 - 16.6.36 - 17.6.36 - 8/10.7.36 - 22/23.11.36 - 24.11.36 - 3.12.36 - 6.12.36 - Ph III. 3.&1.6.9.35 - 7.9.35 - 8.9.35 - 9.9.35 - 10.9.35
31.Ex. none. 32Ex. 22/23.5.36 - 24.5.36 - 28.5.36 - 4/7.6.36 - 17.6.36 - 35Ex. 7.10.36 - 20.11.36 - 21/23.11.36 - 30.11.36 - 2.12.36 - 4.12.36. -> [strikethrough]11/12.2.37 - 13.2.37 - 17.2.37 - 19.2.37 - 1/2.3.37 - 4/8.3.37[/strikethrough] - 32 Ex (ML linings) no squeaks reported.

Brake Thumps. 25/30.
22CJ. Daily reports 11.3.36 - 13.3.36 - 28/30.3.36 - 31.3.36 - 23/24.4.36 - 6.4.36.
  
  


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