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- a -
Tabie .
3: Depth of Penetration of Various iombs iu Sandy Soil
( measure d iu feet and related to the point of the bomb}
Drop SD 8® SC SC SC SD SD PC
Altitude 70 250 500 10u0 2000 1000 1i00 1 + 00
3 ,
300 5 •
9 .
5 11 .
1 11 .
8 19 .
8 io .
4 18 .
1 19 .
8
6 ,
600 9 .
6 11 .
1 13 .
7 14 .
7 25 .
7 23 .
8 z3. 1 27 .
1
9 ,
900 11 .
8 13 .
3 16 .
0 1 ; . + 3i .
o z8 .
i 27 .
4 .
34 .
0
13 ,
200 13 .
? 15 .
3 € 1 .
0 35 •
6 31 .
7 3i .
o 39 .
6
•
16 ,
5 0 15 .
3 ' ' 0 22 8 .
39 6 .
35 .
0 34 .
3 44 .
9
a
i y 800
20 6 .
z4 . + 4z .
9 38 .
0 37 . 0 +g .
5
Footnote: This table i s b ase d oa Aand that has a com ressive
_______
strength of about 440 lbs per .
4 square iṇc h (2@0 kiloa
per square centimeter ) ; in loamy soil of about 33 lbs per .
4
square inch
(1 50 kilos per square centiaeter ) the figures
indica ted ia the above table should be ©ultiplied by
1 .
5 .
If th e aoil is chalky and has a co- ressive etrength
of about 380 lb s ner . 4 square inch (400 kilos per square
c ent .
me t e r ,
t h e f i r e s s h o ul d be mul t i pl i e d by 0 .
5 .
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