Driving And Rotating Bands Flashcards
1
Q
what is the function of driving bands
A
centre projectile in bore and impart spin
prevent forward escape of gases
assist in the prevention of slipback when loaded at high elevations
2
Q
what are the methods of preventing twist
A
wavy rib
knurling
3
Q
what are slipping rings used for
A
to ensure that spin imparted by the weapons barrel does not reach a rate that would influence the fin stabalisation or or hollow charge
4
Q
what are the two methods of attaching driving bands
A
split ring
solid ring
5
Q
name 4 requirements of a driving band
A
no excessive pressure on a shell or barrel
remain firmly attached to the projectile
must not alter the ballistic shape
simple to make and fit
