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).
Recommendation for propeller shaft lubrication intervals for 20 HP and 40/50 HP chassis.
| Identifier | ExFiles\Box 105\2\ scan0109 | |
| Date | 14th March 1929 | |
| X5340 filing To Mx.{John H Maddocks - Chief Proving Officer} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}4/MJ.14.3.29. PROPELLER SHAFTS. X5340. X7340. With reference to Mx{John H Maddocks - Chief Proving Officer}/MCML/T13.8.29. We recommend that the propeller shaft should be lubricated every 5,000 miles or six months. This applies to both 20 HP. and 40/50 HP. chassis. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||