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23 Cards in this Set
- Front
- Back
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You can tell a fuze is safe or armed by what means?
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External Evidence of Arming
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Name is device that controls bomb detonation?
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Fuze
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Descride the funtioning time of a fuze
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The time required for a fuze to detonate after impact or a present time.
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The distance along the trajectory that a bomb travels from the releasing aircraft in an unarmed condition is the
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Safe air traval
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List the two basic classes of fuzes
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Electrical and Mechanical
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Describe the basic principle of the mechanical fuze
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A mechanical force drives a striker into a detonator (hammer and primer)
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What means is used to intiate an electrial fuze
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electrical impulse
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List the three special safety features incorporated into fuzes
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Detonator safe, Shear Safe, Delay Arming Features
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What Kind of fuze is an M904
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Mechanical
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The M904 has how many settings
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Nine
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In what increments are the settings for he M904
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2 to 18/2 Seconds
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There is a combination of how many functioning delays for the M904
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Six
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What are the function delays for the M904
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0.01/.025/0.05/0.10/0.25 and Non-Delay
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How many conditions does the m904 have?
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Three safe, armed and partially armed
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The M904 Arms and Functions How
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By the Rotation of arming vanes and alignment of internal components
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What are the release speeds for arming of the M904 Fuse
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170- 525 knots
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You should never try to reinstall the set screw on an M904 in what settings
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2 and 4 seconds
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When the M904 is partially armed what indication should you see in the upper observation window
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A green background with no numbers visible on settings six or eighteen
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What term applies when the functioning time of a fuze is .003 seconds or less
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instantaneous
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What term applies when the functioning time of a fuze is .003 to .005 seconds
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nondelay
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normally electrial fuzes are charged after what situation occurs?
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the bomb had been released fromt he rack of the shackle
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At what point is the firing train in an M904 Mechanical time fuze fully aligned
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When the preselected arming delay elaspes
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The MK 339 MOD 1 Fuze is used in what weapon
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dispenser weapons
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