Downloaded from https://www.everyspec.com TABLE OF CONTENTS- (continued) U. 8mall Arms Barrel With Shrink Fitted Liner and Cap 81 Page 1. Shrink Fit Pressure ................... 81 2. Shrink Fit s ... me .. . ................ 82 S3. Pressure Stresses . . . . . . . . . . . . . . . . 82•i * 4. Combined Stresses ...... ............... 83 D. Small Arms Barrel With Combined Pressure and Thermal Stresses ....... ................ 83 1. Propellant Gas Pressure Stresses ............. 83 2. Shrink Fit Pressure Stresses ..... ........... 83 3. Thermal Stresses ....... ................ 84 E. Recoilless Gun ....... .................. 84 I . Gun Tube ..... .................. ... 84 2. Chamber .......
................... 87 3. Nozzle . ... . . . . 91 GLOSSARY ........ ...................... 94 d REFERENCES ................. . . . 99 LIST OF ILLUSTRATIONS Fig. No. Page 1 Typical Gun Tube Showing Regions ...... .............. 2 2 Chambers of Various Tube Types ...... ............... 4 3 Jacketed Tube .......... ....................... 6 4 Quasi Two-Piece Tube ........ .................... 6 5 Revolver Type Tube Showing Separate Chamber With Round . 6 6 Gatling Gun Tubes ......... ...................... 6 7 Recoilless Gun Tube ........ ..................... 6 8 Temperature Distribution Across Tube Wall 9..........9 9 Temperature Along Outer Surface of Caliber .30 Tube ..........
10 10 Thermal Cracks on Bore Surface ...... ............... 11 11 Dispersion-Frequency Ratio Curve .................. ... 14 12 Gun Tube Showing Subdivisions ....... ............... 14 13 M/I Diagram of Gun Tube ...................... ... 15 14 Types of Rifling Contour ....... ................... 20 15 Progressive Engraving ........ .................... 20 16 Interior Ballistics of Caliber .30 Gun ...... .............. 22 17 Case-Chamber Stress-Strain Curves ...... .............. 23 18 Chamber With Pertinent Dimensions ................. ... 24 19 Forcing Cone Study ......................... .... 25 20 Schematic of Recoilless Gun ....... .................
25 21 Nozzle Entrance Geometry ....... .................. 26 22 Pressure Ratio-Area Ratio Curve ...... ............... 27 23 Lines of Constant Dimensionless Recoil ............. 27 24 Nozzle Shape&--Schematic ....... .................. 27 25 Nozzle Pressure-Area Ratio Curve, M10 Propellant ........... 28 V ""Mow L-