THE AERODYNAMICS OF A SPINNING SHELL. 385 
Table VIIIb.—C alculation of the Drift, Stability, and Damping Factors, for the 
Gun Rifled 1 in 30. 
Column 1. The time t, seconds. 
„ 2. The stability factor s. 
,, 3. —4 s6\/Q. 
,, 4. 4 sk/Q. 
,, 5. \Js, equation (4.203). 
,, 6. The drift Z, feet. 
,, 7. The azimuth, arc tan (Z/X), degrees. 
,, 8 . The second term in the expansion of Tj, equation (3.632), given by 
m = m Ut (4s9 ' i)+ 4sve '‘ +c ' f. 4s ' t9 '' dt/c } • 
,, 9. The damping factor (§ 4.22), 
Elevation 50 degrees. 
1. 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
9. 
0 
1-945 
0-00042 
0-0217 
0 
0 
° 
1 
1 
2-598 
0-00062 
0-00038 
0-2 
0-702 
2 
3-334 
0-00098 
0-0214 
0-00082 
0-8 
0-520 
3 
4-189 
0-00139 
0-00129 
1-8 
0-404 
4 
5-129 
0-00192 
0 0221 
0-00182 
3-1 
0-00007 
0-330 
6 
7-123 
0-00321 
0-00405 
7-5 
0 5 
0-196 
8 
10-95 
0-00569 
0-0570 
0-00752 
15-9 
0-00066 
0-115 
10 
14-60 
0-00868 
0-0114 
29-1 
0 12 
0-076 
12 
18-39 
0-01240 
0-0518 
0-0155 
47-3 
0 16 
0-00155 
0-055 
14 
22-20 
0-01693 
0-0199 
70-4 
0-043 
16 
26-33 
0-0227 
0-0585 
0-0250 
98-6 
0 27 
0-00334 
0-034 
18 
30-88 
0-0297 
0-0308 
133 
20 
35-16 
0-0372 
0-0663 
0-0374 
173 
0-0056 
24 
42 • 63 
0-0511 
0-0530 
276 
0 55 
28 
45-87 
0-0562 
0-0755 
0-0705 
409 
l 13 
32 
43-24 
0-0486 
0•0885 
573 
1 32 
36 
37-11 
0-0353 
0-0700 
0-1050 
762 
0-0012 
40 
30-11 
0-0231 
0-1192 
971 
2 12 
44 
24-02 
0-0147 
0-0695 
0-1315 
1190 
48 
0-1420 
1415 
-0-0019 
52 
' 
0-1510 
1637 
3 G 2 
