If his mast is anything like the one in my 35 MKII, lots of thickness to drill and tap, that's the way to go and since it's likely a permanent install drill tap and use bolts, 1/4 20 stainless, 3/4 inch long should do fine Dwight Veinot C&C 35 MKII, Alianna Head of St. Margaret's Bay, NS d.ve...@bellaliant.net
On Sat, Jan 30, 2016 at 2:03 PM, Michael Brown via CnC-List <cnc-list@cnc-list.com> wrote: > 1/4" stainless steel with stainless steel mandrel pop rivets have a tensile > strength up to 2000 lbs. > > http://www.crawfordproducts.com/ultragrip.htm > > Even an aluminum / aluminum rivet is fairly strong at up to 890 lbs. > > I doubt there is any advantage to using a rivet unless the wall thickness of > the mast only allows > a couple of full threads to catch. With thinner section sizes a rivet may > have more tensile strength. > > Michael Brown > Windburn > C&C 30-1 > > Date: Fri, 29 Jan 2016 17:28:43 -0500 > From: wwadjo...@aol.com > To: cnc-list@cnc-list.com > Subject: Re: Stus-List Boom vanging... > Message-ID: <1528f80b523-34b0-1...@webprd-m22.mail.aol.com> > Content-Type: text/plain; charset="utf-8" > > Eric, > ? I would be concerned that aluminum pop rivets wouldn't be strong enough.? > They may be.? I drilled and tapped for stainless, used antiseize. Have > removed one at a time yearly since just to check. All good. > Bill Walker > CnC 36 > Evening Star > Pentwater, Mi > > Sent from AOL Mobile Mail > > > On Friday, January 29, 2016 Eric Frank via CnC-List <cnc-list@cnc-list.com> > wrote: > > Just installing a Garhauer boom vang on Cat?s Paw this winter. ?Do you guys > recommend aluminum pop rivets - in case I ever need to remove it? ?In my > experience, SS screws tapped into the mast or boom hold fine but are a devil > to get out because of electrolysis. ?The pop rivets can just be drilled out. > > Eric Frank > Cat's Paw > C&C 35 Mk II > Mattapoisett, MA > > > _______________________________________________ > > Email address: > CnC-List@cnc-list.com > To change your list preferences, including unsubscribing -- go to the bottom > of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > _______________________________________________ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
