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Official D.T.D. Specifications

Official D.T.D. Specifications Th e Latest List of Requirements Called for by The Ai r Ministry Technical Department D.T.D, Aluminium and Light Alloys D.T.D. D.T.D. † 18C Light Alloy Forgings and Stampings. †65 Silk Tape for Parachutes. † 98 High Tensile Nickel-Chromium Steel Sheet, † 25 Aluminium Silicon Alloy Castings. †66 Silk Thread. 42 tons Proof Stress. * 40 Magnesium Alloy Castings (suitable for †67 Silk Cordage for Parachute Shroud Lines. † 99 (and addendum) Hardened and Tempered Pressur e Work). * 73 Jute Webbing. Nickel Cliromium Steel Strip of 55 tons † 50 Aluminium Silicon Alloy Sheets. †86A Airship Linen Fabric. Proof Stress. † 58 Light Alloy Forgings and Stampings. †94 (and addendum) Airship and Balloon Cotton †100 (and addendum) Hardened and Tempered * 59 Magnesium Alloy Castings. Fabric . Nickel Chromium Steel Strip of 40-50 tons † 84 Aluminium Copper-Silicon, Light Alloy Fuel s Proof Stress. Castings. *134 Standard Fuel for Aircraft Engines. †115 Silico Manganese Steel Bars. * 88A Magnesium Alloy Forgings, Stampings or †124 Carbon Steel Strip of 40 tons Proof Stress. Pressings (not suitable for Pistons). Genera l Equipment. †126 Carbon Steel Bars (suitable for Welding). * 90 Magnesium Alloy Forgings, Stampings or G.E. 125. Issue 3. Bonding and Screening and † 137 Carbon Steel Sheet and Strip of 50 tons Pressings (suitable for Pistons). Eart h Systems for all W/ T Purposes on Proof Stress. † l06 Light Alloy Forgings and Stampings. Aircraft. †138 Carbon Steel Strip of 65 tons Proof Stress. † 110 Light Alloy Rivets. †141 Cold Rolled, close Annealed Mild Steel Instrument s † 111. Metal-coated Wrought Light Alloy Sheet. Sheets (for Low Stressed Aircraft Parts). Inst . 1. Drive (Flexible Type) Mark VI., for Engine * 118 (and corrigendum) Magnesium Alloy Sheets *144 Chromium-Nickel Non-corrosive Steel Sheet Speed Indicator. (suitable for Welding). an d Strip of 9 tons 0.1 per cent Proof Inst . 2. Gear Box, Dual Drive, Mark II , for Engine *120 (and corrigendum) Magnesium Alloy Sheets Stress . Speed Indicator. (not suitable for Welding). †146 High Chromium Non-corrosive Steel Sheet *125 (and corrigendum) Hard rolled Magnesium an d Strip of 30 tons Proof Stress. Miscellaneou s Alloy Sheets (not suitable for Welding). †153 Bright Steel Bars for Pins and High Tensile * 51A Cadmium—Zinc Solder. *127 Magnesium Alloy Bars (16 tons Tensile Bolts . † 52 Transparent Sheets for Observation Panels. strength) , *156 Chromium-Nickel Non-corrosive Steel of * 55 Mineral Jelly. † 128 Aluminium Alloy Forgings (for Scaling Rings 9 tons 0.1 per cent Proof Stress. * 77 Powdered Graphite. for Cylinders). †158 Non-corrodible Steel Strip of 35 tons Proof * 81 Tinning and Soldering Solution. *129 Magnesium Alloy Bars (20 tons Tensile Stress . *116 Ethylene Glycol. strength) . Timbe r *119 Aluminium Welding Flux. † 130 Aluminium Alloy Forgings (not suitable for * 28A Sitka (Silver) Spruce as Rough Timber. *121A Temporary Rust Preventive, Pistons) . * 31 Ash. * 122A Lanoline. † 131 Aluminium Alloy Die Castings (suitable for * 32A Walnut as Rough Timber. *123A Solvent Naphtha. Pistons , etc.). * 33A Mahogany as Rough Timber. *139 Plastic Wood. † 132 Aluminium Alloy Forgings (suitable for * 34A Rock Elm. *143 Anti-Freezing Grease. Pistons) . * 35 Cedar. †154 Sulphuric Acid for Accumulators. † 133A Aluminiu m Alloy Sand or Die Castings (not † 36A Silver Spruce or Approved Substitutes. suitabl e for Pistons). Oil s Tube s *136 Magnesium Alloy Castings (suitable for * 44B Anti-Freezing Oil. † 41 Mild Steel Tubes Suitable for Welding. Pressur e Work. * 71 Castor Oil for Lubrication. † 79 Cold Drawn Phosphor Bronze Tubes. *140 Magnesium Alloy Castings (for lightly * 72 Treated Castor Oil. † 89A Carbon Steel Tubes Suitable for Welding. Stresse d Parts). * 74 Sewing Machine Oil. † 91A (and corrigendum) 50-Ton Steel Tube s (Hard *142 Magnesium Alloy Bars (15 tons Tensile *109 Mineral Lubricating Oils. Draw n and Blued). strength) . † 97 Low Tensile Non-corrosive Steel Tubes. † 147 Light Alloy Airscrew Forgings (Fairey Reed Paint s an d Varnishes † 102 (and corrigendum) 30-Ton Non-corrosive Type) . †56A (and addendum) Stoving Enamel. Steel Tubes. †148 Aluminium Rivets. † 62 Pigmented Oil Varnishes. †105 50-Ton Non-corrosive Steel Tubes. †150 Light Alloy Airscrew Forgings and Stamp­ † 63 Cellulose Enamels. † 108A Copper Pipes. ings (Detachable Blades and complete * 70 Stencil Paint for Wooden Packing Cases. † 113 (and corrigendum) Small Round Tubes and Air-screws). Non-circular Tubes suitable for Welding. †170 Hard Aluminium-Magnesium Alloy Sheets. Rubbe r †167 45-Ton Steel Tubes. †175 Half-Hard Aluminium-Magnesium Alloy *104 Rubber Solvent. Sheets . Cancellation s †l07A Rubber Tubing for suspended Static Heads. Replaced by †180 Soft Aluminium-Magnesium Alloy Sheets. †162 Shock Absorber Cord for Ring Gun Mount­ D.T.D. No. Cancelled British Standard ings. 2 Mild 5 per cent Nickel Case Hardening Brass , Bronze and Copper Steel .. .. .. .. .. S. 67 Steel s 8 Air Tempering Nickel Chromium * 10A High Nickel Copper Alloy Sheets. † 1 Nickel Chromium Case Hardening Steel. Molybdenum Steel .. .. .. S. 65 * 30A Bronze Bars for Carburettor Needle Seatings. † 3 High 5 pe r cent Nickel Case Hardenin g Steel. 11 Phosphor Bronze Wire and Strip (suit­ †78 Cold Drawn Phosphor Bronze Bars. able for Springs) .. .. .. 407-1930 † 4 Chromium Vanadium Valve Spring Wire. and 384-1930 † 135 Aluminium-Nickel Bronze Forgings for Ex­ † 5 Hard Drawn Carbon Steel Valv e Spring Wire. 14A White Metal for Aero Engines .. B. 21 haus t Valve Scats. † 6A Cobalt Chromium Valve Steel. 15A White Metal for Aero Engines .. .B. 22 †155 Hard rolled Bronze (Gun-Metal) Bars. 19 Air-hardening Steel Gears .. .. 2 S. 28 † 7 Medium Carbon-Chromium Valve Steel. 20 Soft Solders .. .. .. .. 219-1925 †160 Aluminium-Bronze for Valve Scats. * 9B Manganese Steel Castings. 21 Heat-treated High Chromium Steel †164 Aluminium-Nickel-Iron Bronze Bars, Forg­ Bar {non-corrosive). Low Tensile † 12A Low Carbon Steel Sheet (for Water Jackets ings and Stampings. quality .. .. .. . S. 61 an d Exhaust Manifolds). 22A Heat-treated High Chromium Steel † 13A Silicon-Chromium Valve Steel. Dope s and Ingredients Bar (non-corrosive). High Tensile quality .. .. .. .. S. 62 * 17A Steel Castings. †26 Cellulose Acetate Dopes. 37 Flexible Fibre for Jointing Purposes, † 23B Non-corrosive Steel Sheets. †27 Aluminium Covering V.84. etc. .. .. .. .. .. 216-1926 † 24A Non-corrosive Steel Rivets, Non-corrosive * 29A Varnish Remover and Brush Wash. 48 Parachutes, W/T. Instrument and Aerial Suspensions .. .. .. F. 51 Wire for Split Pins. †83 Aeroplane Doping Schemes. 68 Parachute Main Harness Webbing .. F. 53 † 39 Non-corrosive Low Tensile Steel Sheets. †103 (and addendum) Cellulose Lacquers for 75 Frayed and Serrated Edged Tape .. 5 F. 1 † 46A Non-corrosive Steel Strip of 65 tons Proof 76 High Chromium Non-corrosive Steel Wooden Airscrews. Bar .. .. .. .. .. S. 80 Stress . †112 Toluol. 80 Flax Sewing Cord for Parachute Har­ † 49A High Nickel High Chromium Steel for Valves. †114 Dibutyl Phthalate. ness .. .. .. .. .. F. 54 † 53 Non-corrosive Low Tensile Steel Bar. †145 Nitro - Cellulose Identification Colour 93 Linen Reinforcement Webbing .. F. 52 16 Steel Strip .. .. .. .. D.T.D.'s 99 and 100 † 54A (and 'addendum) High Tensile Nickel- (Yellow). 42 Special Chromium-Nickel Non-corrosive Chromium Steel Strip of 65 tons Proof †157 Nitro - Cellulose Identification Colour Steet Sheets .. .. .. .. ,, 144 Stress . (Green). 43 Special Chromium-Nickel Non-corrosive * 57B Chromium Nickel Non-corrosive Steel Strip Steel Bars .. .. .. .. ,, 156 of 40-50 tons 0.1 per cent Proof Stress. 117 Hard Rolled Bronze (Gun-Metal) Bars ,, 155 Fabrics , etc. 149 50-Ton Steel Tubes (Hard Drawn and † 60A High-Chromium Non-corrosive Steel Sheet †64 A Cotton Duck for Parachute Cases and Blued) .. .. .. ,, 167 an d Strip. Travelling Bags. Thes e specifications can be obtained from H.M. * 61 Chromium-Nickel Non-corrosive Welding Stationer y Office, Adastral House, Kingsway, Rod . London, W.C.2, or at the branches in Edinburgh, * 82 Iron or Mild Steel Wir e for Welding Purposes. Manchester, Cardiff, and Belfast, or from AIRCRAFT * 87 Steel suitable for Nitrogen Hardening. ENGINEERING . http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

Official D.T.D. Specifications

Aircraft Engineering and Aerospace Technology , Volume 4 (3): 1 – Mar 1, 1932

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb029522
Publisher site
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Abstract

Th e Latest List of Requirements Called for by The Ai r Ministry Technical Department D.T.D, Aluminium and Light Alloys D.T.D. D.T.D. † 18C Light Alloy Forgings and Stampings. †65 Silk Tape for Parachutes. † 98 High Tensile Nickel-Chromium Steel Sheet, † 25 Aluminium Silicon Alloy Castings. †66 Silk Thread. 42 tons Proof Stress. * 40 Magnesium Alloy Castings (suitable for †67 Silk Cordage for Parachute Shroud Lines. † 99 (and addendum) Hardened and Tempered Pressur e Work). * 73 Jute Webbing. Nickel Cliromium Steel Strip of 55 tons † 50 Aluminium Silicon Alloy Sheets. †86A Airship Linen Fabric. Proof Stress. † 58 Light Alloy Forgings and Stampings. †94 (and addendum) Airship and Balloon Cotton †100 (and addendum) Hardened and Tempered * 59 Magnesium Alloy Castings. Fabric . Nickel Chromium Steel Strip of 40-50 tons † 84 Aluminium Copper-Silicon, Light Alloy Fuel s Proof Stress. Castings. *134 Standard Fuel for Aircraft Engines. †115 Silico Manganese Steel Bars. * 88A Magnesium Alloy Forgings, Stampings or †124 Carbon Steel Strip of 40 tons Proof Stress. Pressings (not suitable for Pistons). Genera l Equipment. †126 Carbon Steel Bars (suitable for Welding). * 90 Magnesium Alloy Forgings, Stampings or G.E. 125. Issue 3. Bonding and Screening and † 137 Carbon Steel Sheet and Strip of 50 tons Pressings (suitable for Pistons). Eart h Systems for all W/ T Purposes on Proof Stress. † l06 Light Alloy Forgings and Stampings. Aircraft. †138 Carbon Steel Strip of 65 tons Proof Stress. † 110 Light Alloy Rivets. †141 Cold Rolled, close Annealed Mild Steel Instrument s † 111. Metal-coated Wrought Light Alloy Sheet. Sheets (for Low Stressed Aircraft Parts). Inst . 1. Drive (Flexible Type) Mark VI., for Engine * 118 (and corrigendum) Magnesium Alloy Sheets *144 Chromium-Nickel Non-corrosive Steel Sheet Speed Indicator. (suitable for Welding). an d Strip of 9 tons 0.1 per cent Proof Inst . 2. Gear Box, Dual Drive, Mark II , for Engine *120 (and corrigendum) Magnesium Alloy Sheets Stress . Speed Indicator. (not suitable for Welding). †146 High Chromium Non-corrosive Steel Sheet *125 (and corrigendum) Hard rolled Magnesium an d Strip of 30 tons Proof Stress. Miscellaneou s Alloy Sheets (not suitable for Welding). †153 Bright Steel Bars for Pins and High Tensile * 51A Cadmium—Zinc Solder. *127 Magnesium Alloy Bars (16 tons Tensile Bolts . † 52 Transparent Sheets for Observation Panels. strength) , *156 Chromium-Nickel Non-corrosive Steel of * 55 Mineral Jelly. † 128 Aluminium Alloy Forgings (for Scaling Rings 9 tons 0.1 per cent Proof Stress. * 77 Powdered Graphite. for Cylinders). †158 Non-corrodible Steel Strip of 35 tons Proof * 81 Tinning and Soldering Solution. *129 Magnesium Alloy Bars (20 tons Tensile Stress . *116 Ethylene Glycol. strength) . Timbe r *119 Aluminium Welding Flux. † 130 Aluminium Alloy Forgings (not suitable for * 28A Sitka (Silver) Spruce as Rough Timber. *121A Temporary Rust Preventive, Pistons) . * 31 Ash. * 122A Lanoline. † 131 Aluminium Alloy Die Castings (suitable for * 32A Walnut as Rough Timber. *123A Solvent Naphtha. Pistons , etc.). * 33A Mahogany as Rough Timber. *139 Plastic Wood. † 132 Aluminium Alloy Forgings (suitable for * 34A Rock Elm. *143 Anti-Freezing Grease. Pistons) . * 35 Cedar. †154 Sulphuric Acid for Accumulators. † 133A Aluminiu m Alloy Sand or Die Castings (not † 36A Silver Spruce or Approved Substitutes. suitabl e for Pistons). Oil s Tube s *136 Magnesium Alloy Castings (suitable for * 44B Anti-Freezing Oil. † 41 Mild Steel Tubes Suitable for Welding. Pressur e Work. * 71 Castor Oil for Lubrication. † 79 Cold Drawn Phosphor Bronze Tubes. *140 Magnesium Alloy Castings (for lightly * 72 Treated Castor Oil. † 89A Carbon Steel Tubes Suitable for Welding. Stresse d Parts). * 74 Sewing Machine Oil. † 91A (and corrigendum) 50-Ton Steel Tube s (Hard *142 Magnesium Alloy Bars (15 tons Tensile *109 Mineral Lubricating Oils. Draw n and Blued). strength) . † 97 Low Tensile Non-corrosive Steel Tubes. † 147 Light Alloy Airscrew Forgings (Fairey Reed Paint s an d Varnishes † 102 (and corrigendum) 30-Ton Non-corrosive Type) . †56A (and addendum) Stoving Enamel. Steel Tubes. †148 Aluminium Rivets. † 62 Pigmented Oil Varnishes. †105 50-Ton Non-corrosive Steel Tubes. †150 Light Alloy Airscrew Forgings and Stamp­ † 63 Cellulose Enamels. † 108A Copper Pipes. ings (Detachable Blades and complete * 70 Stencil Paint for Wooden Packing Cases. † 113 (and corrigendum) Small Round Tubes and Air-screws). Non-circular Tubes suitable for Welding. †170 Hard Aluminium-Magnesium Alloy Sheets. Rubbe r †167 45-Ton Steel Tubes. †175 Half-Hard Aluminium-Magnesium Alloy *104 Rubber Solvent. Sheets . Cancellation s †l07A Rubber Tubing for suspended Static Heads. Replaced by †180 Soft Aluminium-Magnesium Alloy Sheets. †162 Shock Absorber Cord for Ring Gun Mount­ D.T.D. No. Cancelled British Standard ings. 2 Mild 5 per cent Nickel Case Hardening Brass , Bronze and Copper Steel .. .. .. .. .. S. 67 Steel s 8 Air Tempering Nickel Chromium * 10A High Nickel Copper Alloy Sheets. † 1 Nickel Chromium Case Hardening Steel. Molybdenum Steel .. .. .. S. 65 * 30A Bronze Bars for Carburettor Needle Seatings. † 3 High 5 pe r cent Nickel Case Hardenin g Steel. 11 Phosphor Bronze Wire and Strip (suit­ †78 Cold Drawn Phosphor Bronze Bars. able for Springs) .. .. .. 407-1930 † 4 Chromium Vanadium Valve Spring Wire. and 384-1930 † 135 Aluminium-Nickel Bronze Forgings for Ex­ † 5 Hard Drawn Carbon Steel Valv e Spring Wire. 14A White Metal for Aero Engines .. B. 21 haus t Valve Scats. † 6A Cobalt Chromium Valve Steel. 15A White Metal for Aero Engines .. .B. 22 †155 Hard rolled Bronze (Gun-Metal) Bars. 19 Air-hardening Steel Gears .. .. 2 S. 28 † 7 Medium Carbon-Chromium Valve Steel. 20 Soft Solders .. .. .. .. 219-1925 †160 Aluminium-Bronze for Valve Scats. * 9B Manganese Steel Castings. 21 Heat-treated High Chromium Steel †164 Aluminium-Nickel-Iron Bronze Bars, Forg­ Bar {non-corrosive). Low Tensile † 12A Low Carbon Steel Sheet (for Water Jackets ings and Stampings. quality .. .. .. . S. 61 an d Exhaust Manifolds). 22A Heat-treated High Chromium Steel † 13A Silicon-Chromium Valve Steel. Dope s and Ingredients Bar (non-corrosive). High Tensile quality .. .. .. .. S. 62 * 17A Steel Castings. †26 Cellulose Acetate Dopes. 37 Flexible Fibre for Jointing Purposes, † 23B Non-corrosive Steel Sheets. †27 Aluminium Covering V.84. etc. .. .. .. .. .. 216-1926 † 24A Non-corrosive Steel Rivets, Non-corrosive * 29A Varnish Remover and Brush Wash. 48 Parachutes, W/T. Instrument and Aerial Suspensions .. .. .. F. 51 Wire for Split Pins. †83 Aeroplane Doping Schemes. 68 Parachute Main Harness Webbing .. F. 53 † 39 Non-corrosive Low Tensile Steel Sheets. †103 (and addendum) Cellulose Lacquers for 75 Frayed and Serrated Edged Tape .. 5 F. 1 † 46A Non-corrosive Steel Strip of 65 tons Proof 76 High Chromium Non-corrosive Steel Wooden Airscrews. Bar .. .. .. .. .. S. 80 Stress . †112 Toluol. 80 Flax Sewing Cord for Parachute Har­ † 49A High Nickel High Chromium Steel for Valves. †114 Dibutyl Phthalate. ness .. .. .. .. .. F. 54 † 53 Non-corrosive Low Tensile Steel Bar. †145 Nitro - Cellulose Identification Colour 93 Linen Reinforcement Webbing .. F. 52 16 Steel Strip .. .. .. .. D.T.D.'s 99 and 100 † 54A (and 'addendum) High Tensile Nickel- (Yellow). 42 Special Chromium-Nickel Non-corrosive Chromium Steel Strip of 65 tons Proof †157 Nitro - Cellulose Identification Colour Steet Sheets .. .. .. .. ,, 144 Stress . (Green). 43 Special Chromium-Nickel Non-corrosive * 57B Chromium Nickel Non-corrosive Steel Strip Steel Bars .. .. .. .. ,, 156 of 40-50 tons 0.1 per cent Proof Stress. 117 Hard Rolled Bronze (Gun-Metal) Bars ,, 155 Fabrics , etc. 149 50-Ton Steel Tubes (Hard Drawn and † 60A High-Chromium Non-corrosive Steel Sheet †64 A Cotton Duck for Parachute Cases and Blued) .. .. .. ,, 167 an d Strip. Travelling Bags. Thes e specifications can be obtained from H.M. * 61 Chromium-Nickel Non-corrosive Welding Stationer y Office, Adastral House, Kingsway, Rod . London, W.C.2, or at the branches in Edinburgh, * 82 Iron or Mild Steel Wir e for Welding Purposes. Manchester, Cardiff, and Belfast, or from AIRCRAFT * 87 Steel suitable for Nitrogen Hardening. ENGINEERING .

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Mar 1, 1932

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