An interesting read from MarsKeel Technology, Keel Maintenance By: William Souter
https://46in1h3fzpsy3uz5el3ytm6p-wpengine.netdna-ssl.com/wp-content/uploads/2019/12/Keel_Repair_White_Paper.pdf Ken H. On Mon, 26 Sept 2022 at 16:29, Dave S via CnC-List <cnc-list@cnc-list.com> wrote: > I’ve been following this thread a little bit, And I can’t help but wonder > if the lead doesn’t creep a tiny bit over time. There’s a lot of > compression involved. It wouldn’t take much to see a reduction in bolt > torque. > > Dave 33-2 > > Sent from my iPhone > > On Sep 26, 2022, at 2:27 PM, John Irvin via CnC-List < > cnc-list@cnc-list.com> wrote: > > > > What do Mars Keels have to say? > > > > Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for > Windows > > > > *From: *G Donald Wagner via CnC-List <cnc-list@cnc-list.com> > *Sent: *September 25, 2022 7:30 PM > *To: *cnc-list@cnc-list.com > *Cc: *j...@dellabarba.com; G Donald Wagner <don.wag...@verizon.net> > *Subject: *Stus-List Re: C&C 35 MK I Keel Bolts > > > > I believe our C&C yachts use lead doped with a percent of Antimony. The > Antimony adds strength, hardness, oxidation resistance, and aids in the > flow for the casting process. > > It not like pure lead, and the properties are not the same. maybe we have > some metallurgists in the group, and they can comment ? > > Don Wagner > > C&C 41 CB > > "Der Baron" > > -----Original Message----- > From: Joe Della Barba via CnC-List <cnc-list@cnc-list.com> > To: 'Stus-List' <cnc-list@cnc-list.com> > Cc: j...@dellabarba.com > Sent: Sun, Sep 25, 2022 2:32 pm > Subject: Stus-List Re: C&C 35 MK I Keel Bolts > > I hadn’t thought of that! The keel is slowly getting shorter. If I keep > the boat another 50 years I won’t be aground at extra-low tide! > > > > > > Joe Della Barba > > Coquina C&C 35 MK I > > Kent Island MD USA > > > > > > > > *From:* Leeward Rail via CnC-List <cnc-list@cnc-list.com> > *Sent:* Sunday, September 25, 2022 1:24 PM > *To:* cnc-list@cnc-list.com > *Cc:* Leeward Rail <leeward_r...@hotmail.com> > *Subject:* Stus-List Re: C&C 35 MK I Keel Bolts > > > > The keel bolts are in lead. Lead is soft and eventually they would pull > upwards slightly. I would assume that is why. I have been planning to > contact MARSKEEL and get some pro info. > > > >