See paragraph 2 of Martin's note. Rich
> On May 3, 2014, at 19:44, Mike Brannon via CnC-List <cnc-list@cnc-list.com> > wrote: > > Martin, Where did you get the epoxy board? > > Mike > Virginia Lee > 1978 C&C 36 CB > Virginia Beach > > Sent from my iPad Mini > >> On May 3, 2014, at 9:01, Martin DeYoung via CnC-List <cnc-list@cnc-list.com> >> wrote: >> >> Calypso’s new backing plates (replacing 43 year old aluminum) are 2 layers >> of .030 epoxy board with a thick layer of glass cloth and epoxy in the >> middle. They sand and paint like fiberglass and will not corrode. We are >> filling and back drilling the hardware mounting holes so the risk of >> crushing the deck core is limited and the backing plates are a back-up. >> >> We used .030 GR4 epoxy board because the company I work at had a bunch left >> over from a project and I was able to requisition it. The mid layer of >> glass cloth is an easy way to add thickness and strength. We are able to >> make custom shapes and thicknesses. We shape the edges much like Dennis >> describes below. >> >> Martin >> Calypso >> 1971 C&C 43 >> Seattle >> >> From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Dennis C. >> via CnC-List >> Sent: Friday, May 02, 2014 3:12 PM >> To: CnClist >> Subject: Stus-List Making a winch backing plate >> >> Just thought I'd share my current project. >> >> I'm repairing a boat with a ripped off cabin top winch. The winch was >> mounted on a pad molded in the deck. Molded in the deck under the pad was >> an aluminum disc. The winch fasteners were tapped into the disc. The cabin >> liner was immediately under that. The winch, pad and disc all separated >> from the deck. >> >> Since there was no access to the underside of the pad, there was no easy way >> to get beneath the pad and add structure for strength. The plan was to >> clean up the pad, re-attach it with epoxy. Simply epoxying the pad down >> would have very little strength so the winch needs to be through bolted. >> (Of course a minor gelcoat repair is required to cosmetically finish the >> pad.) >> >> Since the backing plate will be visible from the cabin, it needs to be nice. >> >> Anyway, I ordered a couple of pieces of 1/4 inch aluminum plate on eBay. >> (You can find cut scraps fairly cheap there.) I used my Bosch jigsaw with a >> metal cutting blade to size the pad and rough trim the corners. Then I >> shaped the corners with a belt sander with 80 grit and then finished all the >> edges with the belt sander and 120 grit. The edges were hand sanded with >> 320 grit. The exposed flat surface was hand sanded with 1000 grit wet/dry >> then polished with a buffing wheel and polishing compound. Looks nice!! >> >> Whole process took about 30-40 minutes. The winch will be re-installed with >> washers, lock washers and cap nuts for a nice finished look. >> >> Dennis C. >> Touche' 35-1 #83 >> Mandeville, LA >> _______________________________________________ >> This List is provided by the C&C Photo Album >> http://www.cncphotoalbum.com >> CnC-List@cnc-list.com > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com
_______________________________________________ This List is provided by the C&C Photo Album http://www.cncphotoalbum.com CnC-List@cnc-list.com
