Anti-tank Flashcards
What is the primer of the M72A6?
M29A1, alternatively the DM1204
What is the igniter assembly of the M72A6 made of?
The primer and flash tube of black powder impregnated cotton
Why can’t the M72A6 be fired indoors?
The Danger Back Blast Area (DBBA) of 70 m
What is the main fill of the M72A6?
Octol (315 grams)
What is the propellant used in the M72A6 rocket?
M7 Tubular Grain 122 grams
Up to what angle does the graze element operate?
30 degrees against hard targets
What are the 3 components of the M72A6 Warhead (Tactical Rocket Assembly)?
- Fin Group Rocket Motor
- M412A1 Fuze
- M72A6 Warhead Assembly
What is the fuze type and operating modes?
Fuze M412A1, Point Initiating Base Detonating, with impact and backup graze settings.
What is the penetration capability of the M72A6 warhead?
150mm of armour
What are the ranges that the M72A6 be fired?
- Minimum – Training – 100m / Operationally – 25m
- Max effective – 220m (can engage stationary targets at 350m)
- Max range – 1400m
When does the fuze arm after firing?
Approximately 12 m, based on time from setback (0.67 sec for escapement to wind down)
What is the M72A6 designed to be used against?
Light Armoured Vehicles and Field Fortifications
What is the propellant used in the 21mm Sub-Cal?
6 tubular sticks of M7 propellant (18 grams)
What is the composition of the 21mm Sub-Cal tracer element?
0.55 gram black powder with RS37 and RS 57/37
What are the components of the 21mm Sub-Cal igniter assembly?
What are the components of the igniter assembly?
• Primer Percussion DM 1204 (0.324 grams Sinoxid)
• Flash tube housing (Black powder 0.2 grams)
• Igniter Charge (Black powder 1.9 grams)
how is the FFV551 fuze function (crystals?)
by the 5 piezo electric crystals that are used to convert mechanical energy into electrical energy located behind the distance tube.
what is the FFV551 min and max effective range
150 min
700 max
what are the standing, kneeling and crouching max number of fires for the for full cal Blast over pressure.
Standing - seven
kneeling - one
prone - Zero
safety sup etc included
what are the cook off guidelines for FFV 551
- max weapon temp of 115c
- max of ten rounds fired in close sucsession
- A maximum of twenty-five rounds can be fired at a rate of fire of six rounds per minute.
- Rate of fire for prolonged firings is to be ‘considerably less than’ five rounds per minute.
what explosives are in the FFV 551
- warhead octol (hmx/tnt 70/30) 460g
2. booster tetryl 7.39g
in candela what is the 545
650,000 for 30secs
what is the arming distance for the 545
20 to 70m
in meters how far does the illum go
400 - 500m diameter
what propelled the 545
AKB 204 355g
what is in the M72A6 explosive wise
Octol (HMX/TNT 70/30) 315g
booster Comp a5 - 5.6g
