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).
Telegram confirmation regarding propeller vibration attributed to the overhang of the coupling on the flexible tailshaft of the gearbox.
| Identifier | ExFiles\Box 179b\1\ img033 | |
| Date | 23th August 1932 | |
| RECEIVED AUG 25 CONFIRMATION OF TELEGRAM. W.W. 23. 8. 32. HIVES. ROYCAR. DERBY. K484. BELIEVE PROPELLER VIBRATION ENTIRELY DUE TO OVERHANG OF COUPLING ON FLEXIBLE TAILSHAFT OF GEARBOX. REDUCE BOTH WEIGHT OF COUPLING AND WEIGHT IT CARRIES. STIFFEN UP SHAFT AND REDUCE OVERHANG. SMALL IMPROVEMENT IN EACH SHOULD MAKE MARKED DIFFERENCE. ROYCE. | ||