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).
Dynamometer and road test results comparing a worm axle and a bevel axle on a 182E chassis.
| Identifier | ExFiles\Box 2\6\ B002_X 140 141 157-page138 | |
| Date | 24th November 1911 | |
| RR Worm axle 1141 Tested on 24/11/11 182E Chassis on Dynamometer. Revs HP HP 500. 16.5 19. 750. 23. 27.7 1000. 28.5 34.2 1250. 32. 39.3 1500. 33. 41.5 with worm axle with bevel axle 3.6 to 1 gear 2.95 to 1 gear Axle case around worm attained over 100 °F in 5 minutes. 500 engine revs. i.e. boiled water on case. Quietness excellent also on road. revolution Knock on worm on retard & slight growl on retard. After running worm wheel showed signs of wear & was not beading central but as though crossed. Seen by Mr. Barrington. 11/11 See Report file under R.{Sir Henry Royce} axle copy of what made out by Lowe 27/11/11 | ||