He Shell Design Flashcards
1
Q
what are some factors that effect shell design
A
target effect ballistic performance strength to withstand firing stresses economy in manufacture user requirements safe handling, transportation and storage
2
Q
name the forces that act on a projectile
A
gas pressure acceleration setback side slap heat driving band centrifugal
3
Q
how is nose drag reduced
A
head shape (ogive)
4
Q
how is base drag reduced
A
base shape (boat tail)
5
Q
name 4 target effects
A
physical
pshycological
frag
blast
6
Q
what are some ballistics of a he shell
A
maximum velocity as it emerges from the barrel
slowed by air resistance
high mass low diameter
