I wouldn't get your knickers in a twist, but whenever you go to check them you could do it. Where I would not want to wait is wherever you have SS screws in aluminum, Because that is a constant chemical reaction! I have even tried to Tef-gel some screws in carbon fiber, like the screws holding the Eye for my mainsheet attachment, and they are stuck in there for the duration!
Bill Coleman Entrada, Erie PA On Tue, Sep 13, 2022 at 12:02 PM Matthew L. Wolford via CnC-List < cnc-list@cnc-list.com> wrote: > Would you recommend I Tef Gel the bolts this winter? > > Sent from my iPhone > > On Sep 13, 2022, at 11:43 AM, Bill Coleman via CnC-List < > cnc-list@cnc-list.com> wrote: > > > Nope. > I can recall torquing on my 39, I have a 3/4" torque wrench with a 4 foot > extension - I would have to put my left foot on the top of the socket > extension, and my other foot on the bulkhead while pulling on the 4 foot > extension, and that was hard. I eventually put Tef-Gel on the threads which > allows you to use a little less torque. Stainless LOVES to gall on itself, > and once a nut starts to lock up, you are screwed! No Pun intended. > This comment below is from the Tartan site. > > Bill Coleman > > Keelbolt Torque 6/21/02 > > Good morning [all]. It appears the [folks here] have been busy coming up > with > questions regarding our keel installations which have been surfacing > ever since I've been monitoring the list. I hope the following will answer > some of your questions: > > Tartan uses a "Live" joint to mate the keel to the hull. > > A live joint is a joint that is able to flex during thermal expansion and > contraction as well as accommodate movement in the structure while > normally loaded as well as those occasional abnormal loads (grounding). > > This installation has been in use since the early 1960's with great > success. > One of the great advantages of this installation is that tightening the > keel bolts will not promote water intrusion. > > We use a two-part THIOKOL adhesive sealant between the keel to hull > joint which creates a permanent gasket. As you know, gaskets > are used elsewhere on your boat such as on the engine water pump. > > Tightening the bolts on gasketed seals does not promote leaks as long > as the bolts are evenly torqued. > > Keel bolts should be torqued to the following specifications: > 1" bolts should be maintained at 350 ft/lbs > 3/4" bolts at 250 ft/lbs and > 1/2" bolts at 180 ft lbs. > > Tartan no longer covers up the keel to hull joint with glass tape for > cosmetic > purposes. For the last several years we have been leaving the seam > exposed and faired with a THIOKOL bead to eliminate the maintenance > issues with glass tape. Some other manufacturers install their > keels with an epoxy joint. We don't find this to be reliable since > the lead will expand and contract at a different rate than the > fiberglass. If the bolts become loose the joint will fail and there is no > chance of tightening up the bolts to eliminate a leak. A sudden > impact can also jar the joint enough to break the bond. > > There you have it. I hope I answered all the keel joint questions. > George GuldenTartan > Yachts > > > On Tue, Sep 13, 2022 at 10:58 AM Joe Della Barba via CnC-List < > cnc-list@cnc-list.com> wrote: > >> I am using these numbers: >> >> http://cncphotoalbum.com/doityourself/torquebolts/torquebolts.htm >> >> Are they wrong? >> >> >> >> Joe Della Barba >> >> Coquina C&C 35 MK I >> >> Kent Island MD USA >> >> >> >> >> >> >> >> *From:* Wyatt via CnC-List <cnc-list@cnc-list.com> >> *Sent:* Tuesday, September 13, 2022 10:52 AM >> *To:* Stus-List <cnc-list@cnc-list.com> >> *Cc:* j...@dellabarba.com; Wyatt <wyattchamp...@gmail.com> >> *Subject:* Stus-List Re: C&C 35 MK I Keel Bolts >> >> >> >> That’s too much torque? I’ve seen C&C specs based on nut size, and for my >> 36-1 it was around 150 ft-lb >> >> >> >> On Tue, Sep 13, 2022 at 10:46 AM Joe Della Barba via CnC-List < >> cnc-list@cnc-list.com> wrote: >> >> I should have driven down and got it. 350 pounds is a LOT. My arms are >> still sore! >> >> FYI – what you think is really tight with a normal extension is about 150 >> pounds, not 350. I have about 4 feet total to get to 350. >> >> If anyone needs to borrow the torque meter let me know. >> >> >> >> >> >> Joe Della Barba >> >> Coquina C&C 35 MK I >> >> Kent Island MD USA >> >> >> >> >> >> >> >> >> >> *From:* Josh via CnC-List <cnc-list@cnc-list.com> >> *Sent:* Monday, September 5, 2022 4:18 PM >> *To:* Stus-List <cnc-list@cnc-list.com> >> *Cc:* Josh <muckl...@gmail.com> >> *Subject:* Stus-List Re: C&C 35 MK I Keel Bolts >> >> >> >> You can come borrow my torque multiplier. >> >> https://www.youtube.com/watch?v=n6B0IPKQERc >> >> Josh Muckley >> S/V Sea Hawk >> 1989 C&C 37+ >> Solomons, MD >> >> >> >> Sep 5, 2022 14:09:28 Joe Della Barba via CnC-List <cnc-list@cnc-list.com >> >: >> >> Those sizes are correct – thanks! >> >> I don’t have a torque wrench that big, so I have them “tight”. I just >> ordered this thing, so I can set them exactly: >> >> >> https://www.amazon.com/dp/B009GLITFW?psc=1&smid=ATVPDKIKX0DER&ref_=chk_typ_imgToDp >> >> Joe Della Barba >> >> Coquina C&C 35 MK I >> >> Kent Island MD USA >> >> *From:* Thomas Delaney via CnC-List <cnc-list@cnc-list.com> >> *Sent:* Sunday, August 28, 2022 10:08 AM >> *To:* Stus-List <cnc-list@cnc-list.com> >> *Cc:* j...@dellabarba.com; Thomas Delaney <tomcdela...@gmail.com> >> *Subject:* Stus-List Re: C&C 35 MK I Keel Bolts >> >> Hi Joe, >> >> I believe it is 1 1/8" for the front-most nut and 1 1/2" for the rest. >> >> Best, >> >> Tom >> >>
