81mm mortar range table

Light tree foliage and light vegetation affect the height of burst only slightly, but dense tree foliage and dense vegetation increase the height of burst. M252A1 81mm Mortar: Maximum Range (meters): 5,935; Ammunition: War reserve HE (M821A3), red phosphorus smoke (M819), visible light illumination (M853A1), infrared illumination (M816), war reserve and training HE (M889A4), and FRP . The cartridge is painted olive drab with yellow markings. f. Installation. In addition to loading, he swabs the bore after 10 rounds have been fired or after each fire mission. d. The M374A2, M374A1, and M374 HE cartridges are painted olive drab with yellow markings and are constructed from pearlitic malleable cast iron. He tightens the leg-locking handwheel (ensuring the teeth are correctly meshed) and fastens the securing strap over the arm and around the buffers. The 81-mm mortar, M252, is a smooth-bore, muzzle-loaded, high-angle-of-fire weapon. The cartridges are painted olive drab with yellow markings. FT 81-AI-3 Firing Tables Mortar, 81mm: M28A1 and M29 Mortar 81mm Self propelled M125A1 and M125 Carrier, 81mm Mortar Tracked XM755 When a misfire occurs, any member of the squad immediately announces, "Misfire." .50: BROWNING, M2 (HEAVY BARREL, TURRET TYPE) ON MOUNT, MACHINE GUN, TRAILER MTD: MULTIPLE CAL. At the muzzle end is a cone-shaped blast attenuator device (BAD) that is fitted to reduce noise. Disposal Precautions. Washington DC 20310-0107, ADRP - Army Doctrine References Publications, ATTP - Army Tactics, Techniques, and Procedures, FY Publication Status Report (CAC required for access), Publishing Resources (CAC required for access), PC/PCO/FMO/EPCO Directory (CAC required for access), usarmy.pentagon.hqda-apd.mbx.customer-service@army.mil, GUN, MACHINE, CAL. The gunner places the outer edge of the baseplate against the baseplate stake so that the left edge of the cutaway portion of the baseplate is aligned with the right edge of the stake (Figure 4-7). When targets are beyond such irregularities, a clearance of at least 30 meters should be allowed to ensure maximum effect over the target area. .50: BROWNING, M2 (HEAVY BARREL, FLEXIBLE) ON MOUNT, MACHINE GUN, TRIPOD MTD, CAL. 4-12. The fuze body is graduated from 0 to 50 seconds in 2-second intervals; 10-second intervals are indicated by bosses. They use the M5 propelling charge that consists of eight cloth bags attached to the tail unit. He makes large deflection shifts by shifting the bipod assembly and keeps the bubbles level during firing. g. The barrel clamps can be moved along the barrel to counter large changes in elevation. Cartridges assembled with the M524 (A1, A2, A3, or A4) fuze are for use by the U.S. Marine Corps and U.S. Navy only. The barrel clamps are then closed. WP cartridges are stored with the fuze end up. The propellant increments are ignited, which produce rapidly expanding gases that force the cartridge from the barrel. .50: BALL, M2 (S&I BY PROP SEE DETAILS, FOOTNOTES), FIRING TABLES FOR WEAPON, 5.56MM, M16A1 WEAPON, 5.56MM, M16A2 WEAPON, 5.56MM, M249 AND WEAPON, 5.56MM, M4 FIRING CARTRIDGE, BALL, M855 CARTRIDGE, TRACER, M858 CARTRIDGE, BALL, M193 CARTRIDGE, TRACER, M196 (S&I BY PROP SEE DETAILS, FOOTNOTES), MACHINE GUN, 7.62-MM: M60 ON MOUNT, MACHINE GUN: 7.62-MM, M122 AND MACHINE GUN, 7.62-MM: M73 ON TANK, COMBAT, FULL-TRACKED: 105-MM GUN, M60 SERIES AND RIFLE, 7.62-MM: M14; FIRING CARTRIDGE, 7.62-MM, BALL, NATO, M59; CARTRIDGE, 7.62-MM, BALL, NATO, M80; CARTRIDGE, 7.62-MM: AP, NATO, M61 AND CARTRIDGE, 7.62-MM: TRACER, NATO, M62 (REPRINTED W/BASIC INCL C1) (S&I BY PROP SEE DETAILS, FOOTNOTES), ADDENDUM TO FT 8-Q-1 FOR PROJECTILE, HE, M404 (S&I BY PROP SEE DETAILS, FOOTNOTES), ADDENDUM TO FT 8-J-4 FOR PROJECTILE, HE, M404 (S&I BY PROP SEE DETAILS, FOOTNOTES), ADDENDUM TO FT 8-T-1 FOR PROJECTILE, HE: M509A1 (S&I BY PROP SEE DETAILS, FOOTNOTES), CANNON, 8-INCH HOWITZER, M201A1 ON HOWITZER, HEAVY, SELF-PROPELLED, 8-INCH, M110A2 FOR LOW ANGLE FIRING PROJECTILE, HE, M509A1 USING REGISTRATION DATA FOR PROJECTILE, HE, M106 (S&I BY PROP SEE DETAILS, FOOTNOTES), CANNON, 8-INCH HOWITZER: M2 AND M2A1 ON HOWITZER, HEAVY, TOWED: 8-INCH, M115; CANNON, 8-INCH HOWITZER: M47 ON HOWITZER, HEAVY, SELF-PROPELLED, FULL TRACKED: 8-INCH, M55; CANNON, 8-INCH HOWITZER: M2A1E1 ON HOWITZER, HEAVY, SELF-PROPELLED: 8-INCH, M110; FIRING PROJECTILE, HE: M106 AND PROJECTILE, CHEMICAL: M426 (S&I BY PROP SEE DETAILS, FOOTNOTES), CANNON, 8-INCH HOWITZER, M201 ON HOWITZER, HEAVY, SELF-PROPELLED: 8-INCH, M110A1 AND CANNON, 8-INCH HOWITZER, M201A1 ON HOWITZER, HEAVY, SELF-PROPELLED: 8-INCH, M110A2 AND FIRING PROJECTILE, HE, M106 PROJECTILE, CHEMICAL, M426 (S&I BY PROP SEE DETAILS, FOOTNOTES), CANNON, 8-INCH HOWITZER: M201A1 ON HOWITZER, HEAVY, SELF-PROPELLED, 8-INCH, M110A2; FIRING PROJECTILE, HE, RA; M650 AND PROJECTILE, ATOMIC: M753 AND M753A1 (S&I BY PROP SEE DETAILS, FOOTNOTES), CANNON, 8-INCH HOWITZER, M201A1 ON HOWITZER, HEAVY, SELF-PROPELLED: 8-INCH, M110A2 FIRING PROJECTILE, HE, M509A1 (S&I BY PROP SEE DETAILS, FOOTNOTES), CANNON, 14.5-MM GUN, M31; ARTILLERY TRAINER FIRING FUZED CARTRIDGES, M181, M182 AND M183 (S&I BY PROP SEE DETAILS, FOOTNOTES), GUN, 20-MM, AUTOMATIC, M139; FIRING CARTRIDGE, 20-MM, HEIT, M599; CARTRIDGE, 20-MM, TPT, M206 AND CARTRIDGE, 20-MM, APIT, M601 (S&I BY PROP SEE DETAILS, FOOTNOTES), FIRING TABLES FOR CANNON, 25MM GUN, M242 ON INFANTRY FIGHTING VEHICLE, M3 FIRING CARTRIDGE, APDS-T, M791 CARTRIDGE, HEI-T, M792 CARTRIDGE, TP-T, M793 CARTRIDGE, TPDS-T, M910 (S&I BY PROP SEE DETAILS, FOOTNOTES), GUN, AUTOMATIC, 40-MM, M1 AND GUN, DUAL AUTOMATIC, 40-MM, M2; FIRING CARTRIDGE, HE-T, SD, MK 2 WITH FUZES, PD, MK 27, M64A1, M71 OR NO. The explosive elements in primers and fuzes are sensitive to shock and high temperature. A .mil website belongs to an official government organization in the United States. If the barrel is cool enough to handle, the crew removes the round as described below. When firing under the control of an FDC, he reports to the FDC that mask clearance cannot be obtained at a certain elevation. (3) The M256-series fuze has an SQ/IMP function only. He must ensure that the ball-shaped end of the locking rod is secured in its recess by the locking latch. Do not burn increments in piles but spread them in a train 1 to 2 inches deep, 4 to 6 inches wide, and as long as necessary. ), FIRING TABLES FOR, CANNON, 155MM, HOWITZER, M185 ON HOWITZER, MEDIUM, SELF-PROPELLED, 155MM, 109A1 HOWITZER, MEDIUM, SELF-PROPELLED, 155MM, 109A1B HOWITZER, MEDIUM, SELF-PROPELLED, 155MM, M109A2 HOWITZER, MEDIUM, SELF-PROPELLED, 155MM, M109A3 HOWITZER, MEDIUM, SELF-PROPELLED, 155MM, M109A3B AND HOWITZER, MEDIUM, SELF-PROPELLED, 155MM, 109A4 AND CANNON, 155MM, HOWITZER, M284 ON HOWITZER, MEDIUM, SELF-PROPELLED, 155MM, 109A5 AND HOWITZER, MEDIUM, SELF-PROPELLED, 155MM, 109A6 AND CANNON, 155MM, HOWITZER, M199 ON HOWITZER, MEDIUM, TOWED, 155MM, M198 AND CANNON, 155MM, HOWITZER, XM776 ON HOWITZER, MEDIUM, TOWED, 155MM, XM777 FIRING PROJECTILE, HE, M795 (S&I BY PROP SEE DETAILS, FOOTNOTES), FIRING TABLES FOR CANNON, 155MM HOWITZER, M284 ON HOWITZER, MEDIUM, SELF-PROPELLED, 155MM, M109A5, M109A6 AND M109A7 AND CANNON, 155MM HOWITZER, M284A2 CHROME ON HOWITZER, MEDIUM, SELF-PROPELLED, 155MM, M109A6 AND M109A7 AND CANNON, 155MM HOWITZER, M199 ON HOWITZER, MEDIUM, TOWED, 155MM, M198 AND CANNON, 155MM HOWITZER, M776 ON HOWITZER, MEDIUM, TOWED, 155MM, M777, M777A1 AND M777A2 AND CANNON, 155MM HOWITZER, M776 CHROME ON HOWITZER, MEDIUM, TOWED, 155MM, M777A2 FIRING PROJECTILE, SMOKE, WP, M1121 INCLUDES FIRING TABLES FOR PROPELLANTS: M119A2 (CHARGE 7R), M203A1 (CHARGE 8S), AND MODULAR ARTILLERY CHARGE SYSTEM (MACS) PROPELLANTS: M231 (CHARGES 1L AND 2L), M232 AND M232A1 (CHARGES 3H, 4H AND 5H) (S&I BY PROP SEE FOOTNOTES). The cannon has a crew-removable breech plug and firing pin. When set at delay, the fuze train causes a 0.05-second delay before functioning. Official websites use .mil c. The first ammunition bearer ensures that each cartridge is clean, the safety pin is present, and the ignition cartridge is in good condition. 4-4. If he is not within 20 mils, the gunner and assistant gunner must make another large shift before moving on. An air cavity can form on one side of a cartridge to unbalance it, causing instability in flight. The M375 cartridge uses the M90 propelling charge while the M375A2 and M375A1 cartridges use the M90A1 propelling charge. They should not be approached for 5 minutes or disturbed for at least 30 minutes after firing. (See FM 7-90 for a discussion of the duties of the platoon headquarters.). This section discusses the. b. To prepare for firing, the slot is aligned in the striker with SQ or delay using the M18 fuze wrench. 0.50, M8 (REPRINTED W/BASIC INCL C1-2) (S&I BY PROP SEE DETAILS, FOOTNOTES), FIRING TABLES FOR MACHINE GUN, CALIBER .50: BROWNING, M2 (HEAVY BARREL, TURRET TYPE) ON MOUNT, MACHINE GUN, TRAILER MOUNTED: MULTIPLE CALIBER .50 MACHINE GUN, M55 FIRING CARTRIDGE, CALIBER .50: API, M8 (S&I BY PROP SEE DETAILS, FOOTNOTES), FIRING TABLES FOR MACHINE GUN, CALIBER .50: FICED, M85 TANK, COMBAT, FULL TRACKED: 105MM GUN, M60 SERIES FIRING CARTRIDGE, CALIBER .50: API, M8 CARTRIDGE, CALIBER .50: API-T M20 CARTRIDGE, CALIBER .50: BALL, M33 CARTRIDGE, CALIBER .50: TRACER, M17 (S&I BY PROP SEE DETAILS, FOOTNOTES), MACHINE GUN, CAL. The mortar should be within two turns of center of traverse when the task is compete. d. When the barrel reaches the horizontal position, and not before, the assistant gunner moves the thumb of each hand over the muzzle. The M1 became the standard American . He stands to the rear of the baseplate and supports the barrel until the bipod is fitted. Following the arm-and-hand signals of the gunner (who is looking through the sight unit), he moves the far aiming post so that the gunner obtains an aligned sight picture. Upon completion of any bipod movement on the barrel, the gunner ensures that the firing pin recess is facing upward. It is constructed from ductile cast iron and contains about 1.5 pounds of cyclonite (RDX)/trinitrotoluene (TNT) composition explosive. Red phosphorus/white phosphorus is used for screening, producing casualties, creating incendiary effects, and signaling. The body is made of aluminum and brass. c. The elevating shaft is contained in the elevating leg; to the left of the elevating leg is the elevating handwheel. Powered by Hugo. The ignition cartridge (with primer) is fitted into the base of the fin shaft. If the round fires, the mortar is re-laid on the aiming point and firing is continued. Share sensitive information only on official, secure websites. (1) The M935 fuze has two function settings: impact and delay. 4-11. See Chapter 3, paragraph 3-14 for a detailed discussion of malfunctions. Excess increments should not accumulate near the mortar positions but are removed to a designated place of burning and destroyed. Once set to act as an impact fuze, the mechanism cannot be reset for PROX. a. Before-firing checks include the following: (1) Ammunition should be free of moisture, rust, and dirt. The following are authorized (Standard B) cartridges for the 81-mm mortar, M252: Each cartridge has fins around the tail to stabilize it in flight and to cause it to strike fuze-end first. The fuze is nicely marked and is dated 1940. When the approximate alignment is completed, the gunner signals the assistant gunner to lower the bipod by pushing down on the mortar. At extreme temperatures (below -40 degrees Fahrenheit and above 125 degrees Fahrenheit), it is not unusual to experience an increase in malfunctions proportionate to the severity of conditions. The powder increments, mainly, should not be exposed to direct sunlight. Illuminating is used for battlefield illumination and signaling. The first ammunition bearer holds the barrel until the assistant gunner has removed the mount. Finally, the assistant gunner loosens the leg-locking handwheel, presses the spring-loaded locating catch, and raises the plain leg behind the buffer cylinders until it touches the traversing handwheel. All PD fuzes are superquick--detonate on impact. The propelling charge is contained in four horseshoe-shaped, felt-fiber containers or nine wax-tested, cotton cloth, bag increments. MC Medical Guide; Client-side mods; TFAR 1.x for players; M327 mortar is an extended range mortar system operated by Marine Corps Artillery Units. It was even a tool used by airborne units, and was dropped in parachute bundles during Operations Neptune, Market Garden, and Varsity. (1) The rotating socket is free to move in a complete circle. The upper clamp is fitted with a locking arrangement that consists of a curved handle and a spring-loaded locking rod, which is ball-shaped at its lower end. I have included my order history, detailed photos, as well as my personal opinion on International Military Antiques, IMA -USA www.ima-usa.com 81mm Display Mortar that they have for sale. . Mount The assistant gunner exposes 8 inches (200 millimeters) of elevation shaft, leaving the elevation handwheel unfolded. The M532 fuze is a radio doppler fuze that has a proximity (PROX) or SQ/IMP function.

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