Blueprint detailing experiments on a shock damper with a conical seated and larger valve.
| Identifier | ExFiles\Box 56\1\ Scan216 | |
| Date | 16th July 1932 | |
| CONTROL PRESSER MUST BE DOUBLED UNLESS WE PROVIDE A LARGER PISTON SOME READJUSTMENT OF THESE DIMS WOULD EVENTUALLY BE NEEDED NO DOUBT MECH 3497 GROOVE TO RESERVOIR EXISTING EXTEND IF NECESSARY 14° SAME AS ON BENTLEY DRAPER TRY ALSO 30° WITH SAME END DIAMETER STRESS AS HIGH AS PRACTICABLE RATING AS LOW AS SATISFACTORY OPERATION PERMITS AREAS TWICE THOSE OF EXISTING VALVE SLIGHT CLEARANCE WHEN SHUT DURALUMIN SHOCK DAMPER EXPERIMENTS CONICAL SEATED VALVE AND LARGER VALVE THE INCREASED DIMENSION ON THIS FACE CAN NO DOUBT BE OBTAINED ON EXISTING CASTINGS MECH. 16.7.32 | ||
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).