Stiffness ratio of rim attachment

Symbol	-
Unit	-
Attribute-ID	dnv2003 stiffness ratio of rim attachment
Numeric ID	918
Value Type	PMDouble

This must only be specified for thin gear rings with s_r/m_n < 3:5.

Stiffness ratio of the rim attachment acc. to:

$\frac{W_{R}}{W_{T}}$