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 | ||