_ 1 _ J =

TheequivalentmillstiffnessKandequivalentmillstructureweightGcanbecalculatedfromthefollowingequations:

1111 -

--+--+(10-23)KKHKsKM

n G=La·G-(10-24)j=1JJ

where KH=hydraulicstiffness,lb/in. Ks=structuralstiffness,lb/in.