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Ballistics, 2nd Edition
book

Ballistics, 2nd Edition

by Donald E. Carlucci, Sidney S. Jacobson
August 2013
Intermediate to advanced content levelIntermediate to advanced
608 pages
21h 36m
English
CRC Press
Content preview from Ballistics, 2nd Edition
298 Ballistics: Theory and Design of Guns and Ammunition
When this is substituted back into Equation 8.346, we get
−+⋅+ =− ++
×+

CV
t
CCvCv
DDLR
NR
d
d
p
vlgl
l
vl
g()
()
αα
2
α
αα
α
(8.365)
which can be rewritten as
V
t
Cv Cv
d
d
LRNR
p
l
lglgl=+×+−⋅

αα
2
αααα
()
()
(8.366)
and by neglecting the Magnus force term as it is small and noting that l × (g × l) = g
(l · g)l, we get
V
t
Cv
d
d
LR
l
lgl=+××
[]
α
2
αα
()
(8.367)
Remember that we wish to nd a useful form with which we can calculate the quasi-
steady state yaw of repose as shown in Equation 8.363. That equation encompasses differ-
ent vector functions and time derivatives of l, but our ultimate goal is to nd expressions
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Publisher Resources

ISBN: 9781466564374