Rolls-Royce Archives
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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).
Test results for engine rattles at various speeds and the effect of fitting stinger stops.

Identifier  ExFiles\Box 25\3\  Scan007
Date  24th September 1920
  
R.R. 148 (90 R) (F 548.10.10.10) G 1120.
Y634
4100
Engine - rattles. - tests on 14G3 - 24.9.20
cam shaft. E488 - weaker stay & 3rd drive.
2nd gear stator roller. | 3rd | Engine speeds.
13 | . | .. 560 slight rattle inside
17 | 28. | 730 V.{VIENNA} slight
23 | 38. | ' 990s - pronounced
27 | | 1160 - both slight
33. | | 1420 most pronounced

Not def. to few revs. Chime on a speedometer while running.
Stinger stops fitted - rattles cured - except.
high speed ones, & less pronounced.
S P
160/24.9.20
  
  


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