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28 Cards in this Set
- Front
- Back
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The M61A1 gun rotary mechanism works off if what aircraft system?
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Hydraulic
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The M61A1 aircraft gun is _________driven and ________controlled?
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Hydraulically driven
Electrically controlled |
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The M61A1 gun has a pilot selectable firing rate of _______low and ________high?
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4,000 Low
6,000 High |
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What series of ammo is used in the M61A1 aircraft gun?
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M50 and PGU
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What round of the M50 series ammo contains a fuze in the projectile?
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M505A3
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What ammo should never be fired from an aircraft in-flight?
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HPT
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What are the primary parts of the M61A1 gun?
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Barrels, Housing assembly, and Rotor assembly
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What restrains individual barrel movement during firing?
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Muzzle clamp assembly
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The six barrels of the M61A1 gun are supported by what component?
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Stub rotor
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What secures the barrels to the rotor assembly?
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Three rows of interrupted locking lugs
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What component guides the rounds through the actions of the gun?
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Breech bolt assembly
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What gives you a gripping surface for easy installation and removal of the barrels from the rotor?
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Knurled band on the barrels
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What controls the forward and aft movement of the breech bolts in the M61A1 gun?
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Rotor tracks
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What engages the rim of the round throughout the firing cycle?
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Extractor lip
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What component is used to check the gun barrels after firing?
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Bore erosion gage
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The lubricator assembly is attached to what component on the M61A1 gun?
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Housing asembly
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What lubricant is used in the lubricator assembly on the M61A1 gun?
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DOD-L-85336
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Ammunition is guided into the extractor lip on a breech-bolt assembly by what?
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Guide bar fingers
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What would happen if the clearing sector arm was not installed?
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Gun would not fire
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What forces the bolt locking block upward when the clearing solenoid is deactivated?
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Leaf springs
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The ammunition handling system in the F/A-18 can hold a maximum of how many rounds?
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578 rounds
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The MHU-131/E32K Ammunition Transporter Loader Linkless Ammunition Loading System (LALS I) can hold a maximum of how many rounds of 20MM ammunition?
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1,400
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After an M61A1 gun has fired 120,000 rounds, it should be sent to what location?
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Overhaul depot
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The lubricator assembly is attached to what component on the M61A1 gun?
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Housing asembly
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What lubricant is used in the lubricator assembly on the M61A1 gun?
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DOD-L-85336
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Ammunition is guided into the extractor lip on a breech-bolt assembly by what?
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Guide bar fingers
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What would happen if the clearing sector arm was not installed?
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Gun would not fire
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What forces the bolt locking block upward when the clearing solenoid is deactivated?
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Leaf springs
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