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Fwd Firing Ordnance1

Rockets/Guns

QuestionAnswer
LIST THE 3 COMPONENTS OF A ROCKET? MOTOR, WARHEAD, FUZE
WHAT IS THE PURPOSE OF THE IGNITER? HEATS THE PROPELLANT GRAIN TO IGNITION TEMPERATURE.
WHAT CONTROLS/RESTRICTS THE BURNING SPEED OF A PROPELLANT IN A ROCKET MOTOR? INHIBITOR
DEFINE THRUST FORCE EXERTED BY GASES PRODUCED BY THE BURNING OF THE ROCKET MOTOR PROPELLANT.
WHAT IS THE PURPOSE OF THE INHIBITOR IN A ROCKET MOTOR? RESRICT OR CONTROL BURNING ON THE PROPELLANT
WHAT MAY BE THE RESULT IF A ROCKET MOTOR IS DROPPED AND THE PROPELLANT GRAIN IS CRACKED? THE CRACK WILL INCREASE THE BURNING SURFACE AND COULD CAUSE THE MOTOR TO EXPLODE FROM EXCESSIVE PRESSURE
WHAT EXPLOSIVE FILLER IS USED IN HIGH EXPLOSIVE ROCKET WARHEADS? COMP B
WHEN LOCATED IN THE NOSE OF THE WARHEAD, IMPACT FIRING FUZES ARE DEFINED BY WHAT TERM? POINT DETONATING
WHAT DISTANCE MAY A ROCKET WARHEAD AND FUZE BE DROPPED BEFORE IT CANNOT BE USED? 5 FT
Rockets are propelled by what means? The expulsion of gases
What type of HE-FRAG warhead is used with the 5.0 in rocket? MK 63 MOD 0
What term defines a safety feature designed into a fuze with a gear timing device? Setback
Inhibitors are used on what areas of the propellant grain? Aft end, forward end, and outer diametrical surface
If an inhibitor was NOT used on a rocket motors w/propellant grain, what would occur? An increase burning rate
Inhibitors cause the propellant grain to burn in what direction? Center outward and forward to aft
What rocket component prevents an unstable bruning of the propellant grain? Stabilizing rod
What type of rocket fuze has an electronic package in the forward end? Proximity fuze
What are the 2 rockets currently in use? 2.75 (Mighty Mouse)/ 5.0 (Zuni)
What type of propellant grain is used in rocket motors? Internal burning, star perforation, double-based solid propellant
How are rocket warheads 2.75/5.0 further classified? High explosive, flechette, smoke, flare, practice
What warhead is used against personnel and light material targets? HE-Fragmentation (HE-Frag)
What is the 2.75/5.0 HE-Frag Warhead? 2.75: M151/MK 146 5.0: MK 63
What is the only Antitank/Anti-Personel warhead currently in use? 5.0: MK 32
What is a compromise between armor-piercing and the fragmentation designs? General purpose
What is the only 5.0 GP Warhead currently in use? MK 24
What warhead is used against personnel and light armored targerts? Flechette
What is the designation for the 2.75 Flechette warhead? WDU-4A/A
What warhead is used to provide a volume of heavy smoke for target marking? Smoke Warhead
What is the designation for the 2.75/5.0 Smoke Warhead? 2.75: M156/MK62 5.0: MK 34
What warhead is used to illuminate tactical ops? Flare warheads
What 2.75 flare warhead is currently in use? M257 illumination/ M278 IR Flare
What 2.75/5.0 Practice warhead is currently in use? 2.75: WTU-1/B 5.0: MK 6 Mod 7/MK32/WTU-11/B
How are rocket fuzes classified? By their location in the warhead
What are the two classification of rocket fuzes? Nose/ Base
When located in the nose of the warhead, impact firing fuzes are known as what? Point-Detonating (PD)
When located in the base of the warhead,impact firing fuzes are known as what? Base-Detonating
What is the only mechanical time rocket fuze currently in use? Where is it installed? MK 193/ MK33 Flare warhead
T or F. A rocket motor can still be used if dropped and any portion impacts a hard surface. False
Give a basic description of the M61A1/A2? 6 barrel, rotary-action automatic gun
What are the major components of the M61A1/A2 gun? Barrels, Housing Assy, Rotor Assy
The M61A1/A2 gun is __ driven and __ controlled. Hydraulically/electrically
The M61A1/A2 gun has a pilot selectable firing rate of __ low and __ high. 4,000/6,000
What series of ammo is used in the M61A1/A2? MK50/PGU
What restrains the individual barrel movement during firing? Muzzle Clamp Assy
What is the purpose of the clearing sector solenoid? Controls movement of the clearing sector assy
What component guides the rounds through the action of the gun? Breech bolt assy
How many breech bolt assy's are there? 6
What engages the rim of the round throughout the firing cycle? Extractor lip
What guides the rounds in and out of the extractor lip? Guide bar
When does the firing cycle begin? When power is applied to the firing contact assy
What is the full cycle for the M61A1/A2? Feed/Chamber/Lock/Fire/Unlock/Extract/Eject
When does the clearing cycle start? When the clearing solenoid is energized
The ammo handling system in the F/A-18 can hold a max of how many rounds? 578
At what round interval are the breech bolt assy's changed? 15,000 rnds
What occurs after a gun reaches a round interval of 120,000? it is sent to depot
The GAU-21 is capable of firing at a rapid rate of __ to ___r.p.m 950/1100
How many major assy's does the GAU-21 have? 8
What A/C is the GAU-21 compatible with? MH-60 can mount 1 or 2
Give a basic description of the GAU-17/A. externally powered, 6 barrel, air cooled
What is the firing rate of the GAU-17/A? 3,000R.P.M
Created by: zabi