Instruction Guide, Sound Locator M2
Publisher: U.S. G.P.O.
Published: 1940
Place of publication: Washington, D.C., USA
Language: eng
Description: TM 9-2660 Instruction Guide Sound Locator M2, 1940-10-11
Table of contents: title: CONTENTS; title: Page; title: Authorization Page i; title: Foreword ii; title: Table of Contents in; title: List of Illustrations v; title: Glossary vi; title: Section I. Introduction 1; title: Section II. Principles of operation; title: I. General 2; title: II. Sound lag error 4; title: III. Wind error 8; title: IV. Parallax error 9; title: Section III. Description of mechanism; title: I. General 13; title: II. Acoustical system 14; title: A. Horns 14; title: B. Sound conducting tubing 15; title: C. Helmets 15; title: III. Corrector assembly 16; title: A. Main case assembly 16; title: Stationary assembly (base) 16; title: Revolving assembly (housing) 17; title: B. Pantograph drive assembly 19; title: Speed corrector assembly 19; title: Parallax offset mechanism 20; title: C. Corrector drive assembly 20; title: IV. Data transmission system 22; title: A. Data transmitters 22; title: B. Spring brush and terminal block assemblies 23; title: C. Cut-out switch 23; title: D. Cables 23; title: V. Platform and column 24; title: VI. Characteristics 24; title: Section IV. Operation; title: I. Assembling the sound locator 25; title: II. Orienting and synchronizing in azimuth 27; title: A. The searchlight 28; title: B. The sound locator 29; title: C. The control station 31; title: III. Orienting and synchronizing in elevation 31; title: A. The searchlight 31; title: B. The sound locator 31; title: C. The control station 31; title: IV. Preparing to track a target 31; title: V. Tracking a target 33; title: Section V. Routine maintenance Page; title: I. General 34; title: II. Transportation 34; title: III. Cleaning 35; title: IV. Check tests 37; title: A. Course indicator 37; title: B. Parallax pointer 37; title: C. Pantograph and sight mirror 37; title: D. Over-all tests (problems) 38; title: V. Lubrication 38; title: VI. Accessories 40; title: Section VI. Training of personnel; title: I. General 41; title: II. Choosing operators 42; title: III. Elimination examinations 42; title: IV. Field training 43; title: Appendix A. References 44; title: Appendix B. Computation of corrections; title: I. General 45; title: II. Sound lag correction 45; title: III. Parallax correction 50; title: IV. Combined sound lag and parallax correction 52; title: Appendix C. Inspection report — Sound locator M2 59; title: LIST OF ILLUSTRATIONS; title: Figure. Title. Page.; title: Frontispiece The Sperry sound locator and corrector.; title: 1 Sound lag principle 4; title: 2 Corrector principle 6; title: 3 Ball analyzer principle 7; title: 4 Application of ball analyzer principle 7; title: 5 Action of ball analyzer 7; title: 6 Wind effect principle 9; title: 7 Parallax principle 10; title: 8 Cross section of horn assembly 14; title: 9 Pantograph drive assembly 18; title: 10 Placing corrector assembly on column 26; title: 11 Attaching azimuth horn to corrector assembly 27; title: 12 Attaching elevation and common horn unit to corrector assembly 28; title: 13 The corrector operator in action 29; title: 14 Tracking a target 30; title: 15 Listener's helmet 32; title: 16 Stowage box for corrector assembly 35; title: 17 Corrector assembly in stowage box 36; title: 18 Front view — corrector assembly 39; title: 19 Cross section of main case 40; title: 20 Sound lag problem (horizontal view) 47; title: 21 Sound lag problem (elevation view) 47; title: 22 Sound lag problem (elevation view) 48; title: 23 Parallax correction angle principle 51; title: 24 Typical parallax problem 51; title: 25 Sound lag and parallax combined 52; title: 26 Altitude determination principle 54; title: 27 Slant range determination principle 54; title: 28 Slant plane (horizontal projection) 5; title: 29 Actual slant range determination 55; title: 30 Graph of parallax settings 56; title: 31 Schematic gearing diagram 63; title: 32 Schematic wiring diagram 64