403-h-4.htm.html#Page_69" class="pginternal">69 — L-headed, 16 — pump, 87, 88, 107 — revolving, 10 — T-headed, 15 — water-cooled, 8, 32, 82, 96 — working, 81, 87, 107 Cylinders, cast en bloc, 16, 77 — cast in pairs, 16 — cast separately, 16 — choosing the number of, 75 — firing order of, 60 D Dead centre, 4, 116 — gases, 83 Defective coil, 114, 116 — ignition system, 114 — magneto, 114, 116 — sparking plug, 113, 114 — valve, 113, 114, 116 Deflector, 81, 87, 93, 96 — overheating of, 84, 91 Density, 45, 111 Deposit of carbon, 63, 78 Description of a typical petrol engine, 8 Detachable cylinder head, 32, 78 Devices, ignition, 51 Diagram, indicator, 92, 102 — for four-stroke engine, 105 — for two-stroke engine, 106 — for valve setting, 116 — work, 103 Difficulties in starting, 72, 75, 92, 96, 113 Discharge, spark, 51, 54, 58 Distributor, high tension, 52, 53, 58 Double sleeve engine, 32, 9, 17, 111107 — gas, 80 — hand air, 50 — oil, 8, 39, 40, 65, 67 — piston, 86 — water, 8, 39, 71 Push rod, 29 Q Quick acceleration, 78, 92 — make and break, 53, 59, 62 R Racing pattern magneto, 94 Radiator, gilled tube, 69 — honeycomb, 70, 74 — size of, 71, 72, 74, 89 Rate of burning, 1, 57 Rated horse-power, 101 Ratio of air to petrol vapour, 42 Recent improvements in carburettors, 47 Relative speeds of engine and magneto, 54, 94 Release of gases, 105 Relief valves, 67 Residue, 63 Retarded ignition, 55, 57, 59, 62 Revolving cylinders, 10 Ring, packing, 17, 18, 81, 87, 97 — steel piston, 19 Roller, 29, 58 Rotary valves, 79 S Sagging of camshaft, 36 Scavenging, 16, 35, 84, 85, 87, 88, 89, 93 Scoops, 65 Screws, adjusting, for gudgeon pin, 18 — platinum tipped, for contact breaker, 53, 57 Seat of valve, 13, 29 Segments, metal, of distributor, 55 Seizure of piston, 97 U Ubas steel, 90 Unbalanced mass, 25 Underframe, 40 Up-stroke, 4, 81 V Vacuum, partial, 6, 46, 49, 82, 90 Valve, automatic inlet, 82, 84, 88 — — extra air, 43, 49, 88 — caps, 13, 31 — defective, 113, 114, 116 — exhaust, 5, 37, 81 — extra air, 43, 49, 94 — guides, 8 — head, 29 — inlet, 3, 5 — mechanically operated, 5, 30, 84 — mushroom type, 5, 8, 30 — needle, 44 — passages, 10 — relief, 67 — seat, 13, 29 — springs, 8, 29, 90 — stem guides, 8, 12, 13, 29 — tappet, 8, 29 — throttle, 44, 47 — timing the exhaust, 35, 37, 78, 116 — — the inlet, 34, 37, 78, 116 — to grind in, 31 — tungsten steel, 30 Valves, noise from, 30, 39 — poppet, 29, (PR. 1315.)
Butler & Tanner Frome and London Transcriber's Notes Obvious typographical errors have been silently corrected. Variations in hyphenation have been standardised but all other spelling and punctuation remains unchanged. The format of several of the equations has been changed to avoid confusion in narrow displays. |
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