60 mm M224 Flashcards
Nomenclature for 60 mm cannon?
M225
Nomenclature for the 60 mm mortar?
M224
Nomenclature for the 60 mm bipod?
M170
Nomenclature for sight unit on 60, 81 mm mortars?
M64A1
Nomenclature for large base plate for 60 mm mortars?
M7
Nomenclature for small baseplate for 60 mm mortars?
M8
Weight of complete M224 mortar system?
46.5 lbs
Weight M225 cannon?
14.4 lbs
Weight of M170 bipod assembly?
15.2 lbs
Weight of M64 sight unit?
2.5 lbs
Weight of M7 baseplate?
14.4 lbs
Weight of M8 baseplate?
3.6 lbs
Weight of complete M225 system in handheld mode?
18 lbs
Min and max range of M225 in conventional mode?
70 m min
3490 m max
Min and max range of M225 cannon in handheld mode?
75 m min
1340 m max
Max ROF for M720/M888 round in conventional mode?
30 rds for first 4 minutes?
Max ROF for M49A4 rd in conventional mode?
30 rds for 1 minute; 18 rds for next 4 minutes
Sustained ROF for M720/M888 rd in conventional mode?
20 rds per minute indefinitely
Sustained ROF for M49A4 rd in conventional mode?
8 rpm indefinitely
Sustained and max ROF of all rds in handheld mode?
No limits at charges 0 and 1
Elevation range on upper saddle of M224?
0800-1100 mils
Elevation range on lower saddle?
1101-1511 mils
What saddle and range is used to boresight?
Upper saddle, 0800-1100 mils
What are the only interchangeable parts between M224 and M224A1?
Sight and M8 baseplate
When are you required to swab the bite?
Every 10 rds
Misfire
fire mission
What is total traverse range on traversing mechanism on M170 bipod?
250 mils
On upper saddle, how many mils per turn of traversing handwheel on M170 bipod?
10 mils
On lower saddle, how many mils per turn of traversing handwheel on M170 bipod?
15 mils
On M7 baseplate how many mils does locking cap rotate?
6400 mils
On M8 baseplate how many mils can mortar rotate?
1600 total
0800 L and R
What are the 4 types of mortar rounds?
HE
White Phosphorus (Smoke)
ILLUM
Training
What are the three major components of mortar rounds, except training rounds?
Fuze
Body
Tail fin with propulsion system assbly
How many feet above ground does PROX rd explode?
3-13 ft
How many feet above ground does NSB rd explode?
0-3 ft
How long of a delay does the delay burst fuze setting delay?
0.5 s
On M734 multi option fuse, what 4 settings?
PROX
NSB
IMPACT
DELAY
What are the 2 settings on M935 Point Detonating Fuse?
Super quick SQ
Delay DLY
What are specs on M720
HE
Max range -3490 m
Fuze type - M734 multi option
Specs for M721 rd?
ILLUM
Max range - 3490 m
Fuze - MTSQ
Specs for M722?
SMOKE (WP)
Max range - 3490 m
Fuze - M745 PD
Specs for M766?
Training
Max range - 538 m
Fuze - M779 PD, practice
What does MTSQ stand for?
Multi time setting and quick
Specs for M888 rd?
HE
Max range - 3490 m
Fuze - M935 PD
Specs of M49A4 rd?
HE
Max range - 1930 m
Fuze - M525-series PD, M935 PD