Has anyone tried to us Kevlar cord to support the boom on a Lehman = Seismometer? I have found a source for .025" cord a was wondering how well it might = work.Has anyone tried to us Kevlar cord to support the = boom on a=20 Lehman Seismometer?I have found a source for .025" cord a was wondering = how well=20 it might work.Dewayne Hill