US Army Materiel Command Interior Ballistics of Guns — US Army Materiel Command - Interior Ballistics of Guns: Technical Guide PDF (EN)

Downloaded from https://www.everyspec.com LIST OF ILLUSTRATIONS-(continued) I~iy .V. Ti tle Page 44;l An Improved Strin~iu Typfe fPv('55iIIe (Gage Using Cemenvted Foil St rain Patches to I f-iimit t he Use of a Smaller ferrulle to Itedue D~imensions of the Gage.. .. .. .................... 1-7 4-7 Internal St rain Type IPressure Gage 'Mounted ill Cart ridlge Case to \leasitre Breech Pivrssuie. .. ..... .. ................. 1-7 4-8 The I Tat Gage Mounted inl Cart ridge Case to \ feasulre Brevech Pressure. .. .. ........ .............. .......... ... 1-8 4-9 Typical Input Circuit of St raini Type Pressutrv Gages. .. ..........

4-9 4- 10 Fre('qency Response Cutrves for D~ifferent Types of Pressure' G ages When Suibjected to ai St epwise Pressure Signal inl a IT igh Pressure S~hock Tube .. ........ .. ............ ...... 4-9 4-11 C(ross Svet ion of Internal Copper Crusher Pressure (lage Using Cylindrical1 Copper ('rusheri.. .. .. .............. ......- i1) 4-12 Photograph of a D)rum Camera Chronograph Mounted inl Rlange Recording Room .. ............ .............. .... 4-11I 4-13; fDum. Camera Chroiiojraph Record of Signal from Velocity Coils . 4-12 4-f14 Lumiliime Screents inl U.se inl an Indoor Rtange.. .. .......... .... 4-f13 4-131 'lypical Mlicrowave Interferometer.

Record of Projectile Travel versus TLime (Caliber .50). ...... .............. ......- 15 4 -1(1i Block D~iagram of the Mlicrowave Interfe'rometer for M('asuring Projectile T1ravel versuts Tim- .. .. ............... 4-15 4-17 Typical Travel-Time Record at Start of Travel Using Back-Lighted Slits inl Cutoff Tube (Caliber .50), Back- Lighting Intermittent, 10` Exposures per Second .. .. ......... 4-16 4-18 Foil Contactor Assembly for- Measuring Travel During the Engraving P~rocess, 103mmi Howitzer .. .... ............. 4-17 4-19) Consolidated Plot of the D~ata and Results for the First Four Inches of Travel in the 105mm Howitzer .. .. ...........

4-18 4-20 D)iagram of Quartz Piezoelectric Acceleration Gage Assembled in the Projectile. .. .......... ................. 4-19 4-21 D~iagram of the Variable Capacitance Acceleration Gage .. ....... 4-li) 4-22 D~iagram, of Quartz Piezoelectric Base Pressutre Gage Mounted in the Projectile. .. ...... .............. ........ 4-2() 4-2:; Variable Capacitance Base Pressure Gage Diagram of Parts and Asso'mbl . .. .............. .............. .... 4-2 1 4-24 Record Produced by the Automatic-Rlecording Bore Gage. Three Complete Scans in Both IDirections to Test Repeatability . 4-21 4-25 D~iagram of One M~odel of the Automatic-Recording Bore Gage.

4-22 4-261 Diagram of Bore Surface Thermocouple and Housing, BU1L1 Model. .. .............. ............ ................. 4-22 4-27 Block Diagram of Apparatuis for Observing Motion During F~iring of at Radioactive Source Imbedded Initially in a. Propellant Grain. .. ...... ............ ................. 4-23 4-29 Photograph of Apparatus for the Study of Propellant Mlotion D~uring Firing Using Radioactive Tracer Technique. 37mm Gun11 With F'otir Scintillation Counters oin Each Side of the Barrel .4-2.1 4-29 C'alibration Curves Showing Radioactive Source Position versuts Time .. .. ........................ 4-25 4-:10 T1'pieal Record of Source Position andl I ressurv erstiss lime ...

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