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15 Cards in this Set
- Front
- Back
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What are the three types of timber explosives |
Internal external abatis |
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Where is most critical factors for determining direction of fall |
Wind and lean |
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Where do you always want to attack the timber |
At the least dimension |
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How many holes do you drill for trees up to 18 inches in diameter |
One hole |
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How many holes do you drill for three is greater than 18 inches in diameter |
Two holes |
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Hole should be how many inches in diameter and how deep |
2 inches and 2/3 deep |
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When the target is timber how do you solve for TNT for an internal charge |
Diameter squared divided by 250 |
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How do you solve for TNT for timber external |
Diameter squared divided by 40 equals pounds of TNT |
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How do you solve for TNT for a timber ring charge |
Diameter squared divided by 40 equals pounds of TNT |
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How do you solve for TNT with timber Abatis |
Diameter squared divided by 50 equals pounds of TNT |
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How thick should the ring charge be for diameters up to 15 inches |
Half inch |
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How thick should the ring charge be for diameters up to 15-30in |
1inch |
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How far are charges placed above ground level on abatis |
5ft above ground level |
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What is the recommend a depth of an abatis |
75m |
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Falling trees should be how far apart and what direction in relation to the Enemy |
3 to 5 m apart and 45° towards the enemy |
