NTRP Ordnance Flashcards
Turret System Nomenclature
A/A49E-7(V4)
Turret azimuth and elevation at stow
0 Az
8.93 Elev
Turret azimuth and elevation during firing of wing stores
0 Az
0 Elev
Normal turret transverse azimuth range
110 deg either side of centerline
Elev Limits of gun during transverse:
Centerline
40 deg Az
110 deg Az
centerline: 8.92
40 deg Az: 14.53
1110 deg Az: 5.98
Turrent dep limit below centerline
50 degs
MC terminates trigger command to turret control assembly when gun reaches elevation or azimuth limits or elev/azimuth and gun disagrees by more than ___degs
4
Type of 20mm gun
M197
3 barrel gatling type gun
M197 ROF
650 +/- 50 rpm
Linkless feed system nomenclature and total carrying capacity
MAU-211/A or MAU-211A/A
652 rds
Type feeder used by linkless
M89E1
PGU TP round
PGU-27
PGU TP-T round, duration/distance tracer visible
PGU-30 (has magnesium teflon vitron mixure)
3.2 secs
1800-2200
PGU SAPHEI
PGU-28
hardened steel body and pyrotechnic fuze
detonation ignites zirconium pellet = long persistent park for improved fire starting
20mm type of primer
M52A3B1 electric primer
PGU muzzel velocity
3410 @ 78’
LAU 61 # rockets and type with thermal coating
19 rockets
C/A
LAU-130 = no thermal coating
LAU 68 # rockets and type with thermal coating
7 rockets
D/A
LAU-131 = no thermal coating
Mk 66 mod 2 motor avg thrust and duration
1360lbs for 1.1 secs
MK66 mod 4 is/is not HERO safe and contains what igniter
is HERO safe
MK 311 igniter
M151 fuzed with
M423
M427
M229 fuzed with
M423
Mk 152 Mod 0 fuzed with
Mk 435 Mod 0
Mk 146 Mod 0 fuzed with
Mk 435 Mod 0