Pete, When you get ready to attach premade skins to the spars, you need to wipe clean first then lightly sand the spar attach area on the wing skins. Vinylester resin would be best. Paint the spar caps with pure resin and do the same to the wing skins before applying the flox mixture. If you do not paint pure resin on the wooden spars first you will probably end up with a too dry of resin/flox mixture when you attach the wing skins. Larry H.
Pete Klapp <pke...@hotmail.com> wrote: Had the same thing happen to me. I came into possession of a partially completed KR-2 project. When I started to dissassemble things, I noticed a crack start at the WAF. By just pressing along the glue fillet with my thumb, the skin easily separated from the spar. I'm told they used a polyester based glue (????) to bond the skins to the spars. I'm told that since the skins are made with vinylester resin, that only a vinylester based glue should be used. Dan Diehl apparently sells this to builders. Has anyone else used something else with success? Also are there special precautions needed to prep skins and spars prior to bonding? Pete Klapp, KR-2S builder Canton, Ohio From: bearlk...@aol.com Reply-To: KRnet To: kr...@mylist.net Subject: KR> A cautionary tale List-Post: krnet@list.krnet.org Date: Sun, 6 Aug 2006 12:48:45 EDT Netters; I just bought a KR2 project with Diehl wing skins. The builder had used the wrong glue and very poor technique to assemble the wings. It took me less than an hour and a couple of hand tools to ply them apart. The glue simply did not adhere to the wing skin, the bonds popped apart with hand pressure. The builder was obviously not a man to follow instructions, and I felt it was at least an amusing cautionary tale. Had this gotten to the air, it would have delaminated very quickly. OUCH! (the seller was a gracious gent from Tx and not the builder, he let me know what the issues were up front.) Incedently, I am very pleased with my purchase, I will salvage the skins and use a lot of the other parts to save a fair amount of time and money. Bob Polgreen Boat stage and parts Nowthen MN _______________________________________ Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net please see other KRnet info at http://www.krnet.org/info.html _______________________________________ Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net please see other KRnet info at http://www.krnet.org/info.html
