Radius of armour (outer)

Symbol
$r_{e7}$
Unit
m
Formulae
$\frac{d_{sh}+t_{sh}+\frac{\Delta d_{sh}}{2}}{1000}$
Related
$\Delta d_{sh}$
Used in
$z_{ar,i}$
$z_{ar,m}$
$z_{ar,o}$
$z_{os}$