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9 Cards in this Set
- Front
- Back
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What is ordnance?
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A term covering all weapons, weapons system components, and support equipment.
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What is a gun?
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A tube, closed at one end, from which a projectile is ejected at high speed by the gases produced from rapidly burning propellants.
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What is a gun mount?
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Consists of all the machinery used to position, load, and fire a gun.
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What is included in positioning equipment?
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All the machinery used to support and move the gun tube to the desired train (horizontal) and elevation (vertical) angle.
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What is the stand in positioning equipment?
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A steel ring bolted to the deck that serves as a foundation and rotating surface for movement in train.
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What is contained in the stand?
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Both the train bearings and the training circle.
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What is the training circle?
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A stationary internal gear that the drive pinion "walks around" to move the gun in train.
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What is the base ring, also called the lower carriage?
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The rotating platform, supported by the stand, that supports the upper carriage.
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What is the gun carriage, also called the upper carriage?
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A massive pair of brackets that holds the trunnion bearings.
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