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).
Request for measurements to be taken on the universal joints of a Packard propeller shaft.
| Identifier | ExFiles\Box 127\1\ scan0389 | |
| Date | 8th November 1938 | |
| 1086. HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} Rm{William Robotham - Chief Engineer}/FJH{Fred J. Hardy - Chief Dev. Engineer}7/R.8.11.38. Prop. Shaft Universal Joints. Will you please take the following measurements on the two universal joints of the Packard propeller shaft which we have handed to you:- (a) Diameter of all pins. (b) Hardness of all pins. (c) Average needle dia. (d) Bore of all housings. (e) Diametral clearance in each pin, needle and housing assembly. (f) Average clearance between first and last needles. (g) Length of needles. The parts should be marked so that they are not interchanged. Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} | ||