I have a decal on my gauge with both psi and pounds shown. I have decals for different size cylinders. My gauge is difficult to read, but a mark on the gauge at the maximum allowable force is all I need to make sure I don't go over.
Alan Bergen 35 Mk III Thirsty Rose City YC Portland, OR On Thu, Jun 11, 2020 at 5:59 AM Dennis C. via CnC-List < cnc-list@cnc-list.com> wrote: > We had this discussion many years ago on this list. > > I think I recall that this is tension (in pounds) on the wire/rod. I > think the reading on a hydraulic back stay adjuster gauge is pressure (in > psi) on the piston. If so, they are not the same. > > I think you have to convert the psi reading to tension based on the area > of the piston in YOUR adjuster. For instance, if your piston is 1 1/4 > inches in diameter, you would have an area of 1.23 sq inches. So 1000 psi > on the piston would exert 1230 pounds tension on the back stay. > > I could be entirely wrong. Can someone verify this? > > Touche's hydraulic back stay gauge is too opaque to read. We adjust to > sail shape and have a batten with green/yellow/ red/black tape marks for > repeating settings. > > -- > Dennis C. > Touche' 35-1 #83 > Mandeville, LA > > On Wed, Jun 10, 2020 at 9:39 PM david--- via CnC-List < > cnc-list@cnc-list.com> wrote: > >> I am not sure this picture will be small enough for the list. When I >> bought my 35-2, I found a memo from C&C in the nav table saying the >> maximum back stay tension is 2050 pounds >> >> >> >> David Kelly >> Baraka C&C 35-2 >> Noroton, CT >> >> > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- > https://urldefense.com/v3/__https://www.paypal.me/stumurray__;!!LIr3w8kk_Xxm!6Irh5PTYZakQtXauMhWGthgv_2yaQcpNMdPGN5xFMrPqOoP--enSG3KOMPbqT98QdtE$ > >
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