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).
Design, testing, and modification of a mechanic's joint for a propeller shaft.
| Identifier | ExFiles\Box 48\1\ Scan079 | |
| Date | 24th February 1926 | |
| TO BY {R.W. Bailey - Chief Engineer} /C. FROM AJS. Copy to - HS. {Lord Ernest Hives - Chair} ORIGINAL XLH 83 AJS1/M24.2.26. MECHANIC'S JOINT. XLH 83 Referring to the 2nd. para. of BY {R.W. Bailey - Chief Engineer} /C3/H20226., in the layout submitted the portions for brazing to the propeller shaft appear extremely short, but in this particular instance it does not seem worth while to make anything new. Another point of view is that the manufacturers have sent us a standard joint as used by Packard and others, and they wish us to think well of it, so no doubt they have found this length sufficient. We think in any case four 1/8" pins should be put in each end before brazing. We would like HS. {Lord Ernest Hives - Chair} to give this particular brazing any rigorous tests he can devise, as probably we are wasting material and adding unnecessary weight to many similar parts through providing excessive brazing surface.. Regarding touching floorboard at full bump it will be necessary to slightly bulge the metal plate indicated on N. scheme 2090. to accommodate the .750 increase in dia. of the Mechanic's joint over the one indicated on above N. sch. This modification will be for the one experimental chassis only using the Mechanic's joint. Our own joint will be made to come within the 6" dia. shewn on N. sch.2090. AJS. | ||