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).
Blueprint for a modification to auto-adjusting tappets for the Phantom II, Scheme 1.
| Identifier | ExFiles\Box 158\5\ scan0090 | |
| Date | 18th April 1934 guessed | |
| MODN. AUTO ADJUSTING TAPPETS, PHANTOM II (SCHEME 1), PUSH FIT IN ROCKER, BALL TO HAVE .005 STROKE, SCALE 1/1, DOWEL ONLY FOR LOCATING OIL HOLE TO HAVE AMPLE CLEARANCE, .218 DIA BALL, .005 STROKE, .030, .020, ENLARGED SECTION OF PLUNGER, SCALE = 4/1, SECTION AA{D. Abbot-Anderson}, PARALLEL FITTING PIN POSITIONED TO GIVE CORRECT BALL LIFT OF .005, .312 - 22 T.P.I. R.H., PLUNGER TO TIGHTEN UP SQUARELY TO THIS FACE, DIAMETRICAL CLEARANCE BETWEEN PLUNGER AND HOUSING TO BE .0005 | ||