Too funny. After my post favoring SS rivets, I get to Touché today to see 1/4 inch Phillips machine screws on the vang bracket. :)
Well, it was many years ago when I installed it; I am younger than that now. Dennis C. Sent from my iPhone > On Jul 27, 2017, at 9:08 AM, Rick Brass via CnC-List <[email protected]> > wrote: > > One thing to remember about the Garhauer vang is that the attachment to both > the mast and the boom are custom made for the boat (you send them the profile > of the mast and boom when you order the vang), and the plates attached to the > mast and boom wrap significantly around the spars. (On my 25 about half of > the boom is cradled in the attached plate. ) So the fasteners connecting the > plate to the spar are under primarily shear loading, not tensile. > > For this sort of configuration, the additional cross section of the machine > screw (or cap screw, if you use those) would seem the better choice. If, > however, you have something like a Boomkicker, or a vang with “generic” > mounting plates that don’t curve around the spars, rivets might be a better > choice. > > Rick Brass > Imzadi C&C 38 mk2 #47 > la Belle Aurore C&C 25 mk1 #225 > Washington, NC > > BTW, both have Garhauer vangs. > > From: CnC-List [mailto:[email protected]] On Behalf Of bwhitmore > via CnC-List > Sent: Wednesday, July 26, 2017 6:52 PM > To: [email protected] > Cc: bwhitmore <[email protected]> > Subject: Re: Stus-List Rigid boom vangs - rivets vs screws > > When I got my rigid vang from Garhauer, they suggested the course threads. > The fine threaded screws, they argued are shallower, and therefore will > strip or pull out easier. > > It might be a good idea to call Garhauer for verification. > > Good luck, > > Bruce > > > > Sent from my Verizon, Samsung Galaxy smartphone > > -------- Original message -------- > From: schiller via CnC-List <[email protected]> > Date: 7/26/17 6:20 PM (GMT-05:00) > To: [email protected] > Cc: schiller <[email protected]> > Subject: Re: Stus-List Rigid boom vangs - rivets vs screws > > I would add that fine threads would be better than coarse for the relatively > thin section. > > Neil Schiller > 1970 Redwing 35, Hull #7 > (C&C 35 Mark 1) > Corsair > Still waiting so see if we can be repaired in Muskegon, Michigan > > Sent from my iPad > > > On Jul 26, 2017, at 11:34 AM, Dennis C. via CnC-List > > <[email protected]> wrote: > > > > Seems to be a difference of opinion. I've installed several but that > > doesn't make me an expert. I've seen aluminum rivets, stainless rivets, > > machine screws and hex head bolts. > > > > My opinions on each. > > > > Aluminum rivets - not strong enough. Will eventually work loose or break. > > > > Stainless rivets - my choice. Very, very low potential to work loose or > > break. Coat with TefGel to minimize dissimilar metal corrosion. Downside > > - requires expensive rivet tool. > > > > Machine screws - some potential to work loose. Once they work loose, bad > > things can happen. I don't have a real issue with them as long as they're > > coated with red thread locker. > > > > Hex head bolts - some potential to work loose but, in my opinion, a better > > choice than machine screws. Coat with red thread locker. If you need to > > remove them, easier than machine screws. They can also be tightened more > > than machine screws. > > > > Bottom line - if you don't have a Big Daddy rivet tool, screws or bolts are > > fine. Just use red thread locker and inspect them every now and then. > > > > Hope this helps. > > > > Dennis C. > > Touche' 35-1 #83 > > Mandeville, LA > > > > > > _______________________________________________ > > > > This list is supported by the generous donations of our members. If you > > wish to make a contribution to offset our costs, please go to: > > https://www.paypal.me/stumurray > > > > All Contributions are greatly appreciated! > > > _______________________________________________ > > This list is supported by the generous donations of our members. If you wish > to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated! > _______________________________________________ > > This list is supported by the generous donations of our members. If you wish > to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated!
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