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).
Two cablegrams received regarding threaded shackles and Delco dampers.
| Identifier | ExFiles\Box 11\3\ 03-page322 | |
| Date | 8th December 1930 | |
| x7941d To R.{Sir Henry Royce} c. Sg.{Arthur F. Sidgreaves - MD} " Da.{Bernard Day - Chassis Design} " By.{R.W. Bailey - Chief Engineer} " Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} ✓ Wor{Arthur Wormald - General Works Manager}1/H.8.12.30. Two cablegrams have been received from Hs.{Lord Ernest Hives - Chair} reading as under :- (1) "RECOMMEND YOU TRY THREADED SHACKLES CONSIDER AXLES HAMMERING SIDEWAYS MAY BE REASON FOR DIFFERENCE COMPLAINT OR RIDING CONFINED TO AXLE DITHER." (2) "DELCO DAMPERS OBTAIN THEIR PERMANENT SILENCE BY DIRECT OPERATION ON THE PISTON STOP PISTON IS DIVIDED AND HELD TOGETHER BY SPRINGS HARDENED SURFACES VALVES HAVE OUT OF BALANCE DISCARD FOR SILENCE REPLENISHING VALVES IN PISTON SAMPLES SENT OFF." Wor.{Arthur Wormald - General Works Manager} | ||