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).
Production testing of coarse pitch gears for the Phantom III.
| Identifier | ExFiles\Box 94\1\ scan0308 | |
| Date | 20th January 1936 | |
| To By.{R.W. Bailey - Chief Engineer} X378 Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}17/KW.20.1.36. Coarse Pitch Gears - Ph.III. With reference to the coarse pitch gears which it is proposed to try out on Ph.III on production, the only coarse pitch gears on which we have run endurance were those fitted to 31-EX for the last 15,000 miles test. These are Cadillac pitch and correction, to N.Schemes 4414 & 4434. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||