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).
Diagram of a Lovejoy piston with cross-sections and notes on its assembly and function.
| Identifier | ExFiles\Box 28\1\ Scan216 | |
| Date | 3rd February 1931 guessed | |
| SHEET 8 DIAGRAM LOVEJOY PISTON REPLENISHING PASSAGE 7.500 1.350 2.4 D TWO HALVES OF PISTON INTERCHANGE NURLED & PRESSED IN. SCREW HEAD LOCKED BY INDENTATIONS NOT PRESSED IN ITS UNDER SIDE ABUTTING ON SPRING END. SLACK FITS REPLENISHING VALVE HORIZONTAL 1 DIRT TENDS TO FALL OFF SEAT 2 BALL INERTIA TENDS TO OPEN IT. BORE LINES UP TWO HALVES OF PISTON 1 A CERTAIN AMOUNT OF VENTING TAKES PLACE. THOUGH NOT AT HIGHEST POINT OF CHAMBER. | ||