Or a flex plate, might be easier to measure on that. Tracy Sent from my iPad On Sep 10, 2011, at 1:46 PM, Tracy <rwstracy@gmail.com> wrote: > Still working on flywheel replacement design. Anybody got a counterweight handy to measure the bolt circle diameter? > > Tracy > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html