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).
Schematic for a Modu auto-adjusting tappet for the Phantom II, scheme 3.
| Identifier | ExFiles\Box 158\5\ scan0089 | |
| Date | 16th November 1933 guessed | |
| Hs{Lord Ernest Hives - Chair} 1209 SECTION THro BALL HOUSING SHEWING OIL FEED GROOVE SCALE 1/1 SECTION AA.{D. Abbot-Anderson} THREAD TO WITHDRAW BALL SEATING BALL HOUSING MUST BE A GOOD FIT IN PLUNGER IN ORDER TO PREVENT ANY LEAK HOLE FOR PARALLEL FITTING PIN DRILLED IN POSITION TO GIVE CORRECT BALL LIFT .005 .002-.003 CLEARANCE ON DIA OF BALL IN HOUSING .1875 DIA BALLS ENLARGED SECTION OF PLUNGER - SCALE 4/1 .020 DIAMETRICAL CLEARANCE BETWEEN PLUNGER AND HOUSING TO BE .0005 A .005 STROKE MODU AUTO ADJUSTING TAPPETS PHANTOM II SCHEME (3) H/S 1202. | ||