Small H.P. Articles

Issue Page(s) Subject Scan Notes
52-3 45 20 HP Starting Carb. Maintenance Yes about manifold jet/modifications
53-5 108 - 110 20 HP article including Tools (Tools19xx files) Yes including tool list/pictures
54-2 135 Wheel and Inner Tube Facts Yes charts/diagrams
54-5 159 20 HP Battery Ignition Timing Yes  
56-1 223 Balancing Rolls-Royce Wheels (three weight type) Yes on the car
57-3 286 The 20 HP in Theory and Practice - article   4 speed shown
57-4 296-297 Acid Cleaning Blocks and Heads - non alloy   Hydrochloric - see also 310 and 904
57-4 297 20 HP instruments (early)    
57-5 303 Chrome Plating Radiator    
57-6 310 - 311 Copper Tube replacement in Heads and Blocks   Tool Drawings/ procedures
59-1 373 Valve Seating    
61-1 488 - 491 Automotive Industries Article - 20 HP - 10/26/1922    
61-1 494 Head Torquing Sequence Yes PII, but applies
61-2 500 Autocar Road Tests - 20 HP - 03/8/1929    
61-3 520 - 521 Parts Diagrams and facts   Nuts, bolts, washers, pins, etc.
62-3 593 Axle Ratios, Tire Sizes, Shaft RPM vs Road Speed Yes 20 HP thru Silver Wraith
63-6 699 Spark Plug Tuning    
64-1 715 20 HP Servo Notes (see also 1198 and 1212) Yes See also 328, 336 on PII
64-3 738 Shock Absorbers (20/25)    
65-2 799 20 HP Steering Geometry (early)    
65-2 800 - 801 Rod Bearings - detailed instructions   Important
65-4 822 Clutch Adjustments Yes Diagramed
65-5 836 Generator Refurbish Yes  
66-4 900 Starter Drive Clutch Yes Including Manual Diagram
66-4 904 Acid Cleaning Heads and Blocks - non alloy   Phosphoric - see also 296
66-6 927 Ring and Pinion Backlash - PI    
67-1 934 Fasal's 20 HP Restoration    
68-2 1051 Pre War Steering Adjustment Yes  
68-3 1068 Ballast Resistors Yes  
69-2 1148 - 1149 Chassis Stands for Rotation Work    
69-2 1152 Auto Vac Restrictor Valve Maintenance Yes  
69-4 1177 Blinker Diagram   Modern Add On
69-5 1198 - 1199 Servo Systems - Working Description - Diagrams Yes see also 715
69-6 1212 Servo Adjust and Overhaul (20/25)   see also 715
70-1 1232 Hub Removal Tool    
70-2 1246 Hub Removal Tool    
70-4 1276 Brake Cable Details Yes  
70-4 1276 Starting Carb Procedure Yes Close the butterfly to start
71-2 1340 Small HP Water Pump Shaft   Diagramed
71-2 1341 British Screw Thread Charts   see also 1439
71-2 1342 Switch Box Info    
71-2 1344 20 HP Tools   Listed
71-3 1352 Voltage Regulator Facts    
72-2 1435 Spring Shackle Pins (20/25)   Diagramed
72-2 1439 British Screw Threads (update)   see also 1341
72-5 1489 Cylinder Block Cleaning   Info on tubes
72-5 1494 25-30 Engine Overhaul  Yes 1514, and 1532
73-2 1549 Steering Tube (seizure) Separation Procedure   oil pressure method
74-2 1641 Gasket Set Parts #'s - ordering    
74-3 1666 Arrangement of Pistons "Gosehawk"    
74-5 1698 20 HP Chassis Drawing and Body Design    
75-1 1740 - 1744 Rebuilding the 20 HP Engine (Part I ) Yes  
75-2 1756 - 1760 Rebuilding the 20 HP Engine (Part II ) Yes  
75-3 1776 - 1783 Rebuilding the 20 HP Engine (Part III ) Yes  
75-4 1796 - 1807 Rebuilding the 20 HP Engine (Part IV ) Yes  
75-5 1821 Full Flow Oil Filter on a 20 HP    
76-1 1850 Particulars of Cylinder Heads Yes 20 HP, 20/25, and 25/30 scanned
76-5 1914 Fitting New Flywheel Gear Ring    
77-2 1960 - 1961 Errata on 20 HP Rebuild articles Yes See pp.1740
77-5 2014 - 2015 Magneto Servicing Yes  
77-6 2021 Battery Cables and other Fittings Yes  
78-3 2076 Radiator Dent Removal    
78-5 2103 Flying Lady Mascot Dimensions Yes Chart of all Models
78-5 2110 Rewire to use Stop Lights    
79-3 2174 Overdrive for Pre War Cars   Supplier listed
80-3 2270 Fuses (Wire Sizes)    
80-4 2284 Lucas Headlamp Hinge Pins    
81-2 2380 Piston Refurbish Yes  
81-5 2440 Restoration of Headlamp    
82-4 2578 Painting Chassis    
83-2 2690 - 2691 Lamp Recognition Chart & Replacements Yes  
83-6 2812 Metal Fabrication Ad    
84-3 2876 - 2881 Re-Wiring and Sources Yes  
84-4 2906 RROC Ephemera Reprints List Yes MS Word File
85-1 2980 RREC Brake Systems Book Review    
85-4 3051 - 3054 Springs - Semi Elliptic Renewing Yes  
86-2 3142 Water Pump Woes Yes  
86-3 3159 Carburetor Low Speed Jet Yes  
86-4 3192 Wiring Material Source    
86-6 3279 Small HP Block Freeze Damage    
86-6 3283 - 3284 Fuses/Wiring & US/British Chart Yes  
87-3 3411 Carburetor High Speed Jet    
87-5 3496 Enots for 20 HP Gaiters Yes  
88-2 3619 Petrol Tank Fabrication for 20 HP    
88-3 3666 Magneto Mumbo Jumbo    
88-4 3731 Wheel Restoration Parts    
89-2 3880 Magnetos - Cont'd    
89-3 3928 Engine Balance of 20 HP    
89-5 4015 Intake Manifold Leak Detection - 20 HP    
90-2 4112 Lucas Lamps    
92-1 4430 Lucas Lamp Dipping    
92-5 4537 Wheel Weights    
94-1 4765 Overdrive on a 1925 20 HP    
94-2 4800 Water Bypass on a 20 HP    
94-3 4823 Replica Body and Wings    
96-2 5161 Pre War Models by Quantity Yes  
96-4 5216 Plating at Home    
96-5 5242 Wings- Fabrication, Welding in Aluminum    
97-1 5317 Bakelite Repair Yes  
97-3 5366 Cowl Running Lights (a picture)    
97-3 5379 Exhaust Manifold Repair Process & Products Yes  
97-4 5395 A 20 HP Pictured    
97-4 5405 - 5407 Small HP Tech Seminar Yes  
98-5 5621 - 5626 Electrics - Pre War & Sources Yes  
98-6 5660 A 20 HP Dash Picture    
99-1 5711 - 5714 Brake Information Yes  
99-2 5745 - 5746 Jubilee Clamps & Size Chart Yes  
99-3 5780 - 5785 Small HP Tranny Rebuild (Part I) Yes  
99-4 5823 - 5829 Small HP Tranny Rebuild (Part II) Yes  
99-6 5875 Valve Spring Tool Use Yes  
00-1 5934 - 5939 Small HP Servo Yes  
00-1 5939 - 5940 Pinion Seal for Differentials Yes  
00-2 5978 Key Types    
00-4 6042 James Young Coachwork    
00-4 6050 Removal of 20/25 Wheel Bearing Parts    
00-5 6094 Key Type Errata    
00-6 6135 - 6140 Vibration Damper Yes  
01 . 1 6170 Pre War Decoke Seminar    
01 . 4 6326 - 6327 Rolls - Royce Nuts and Bolts Yes  
01 . 5 6378 - 6379 Voltage Regulators, Generators, and Batteries Yes  

 

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