Do you have anyone also using T88 near you or in your EAA Chapter? As with the others, I found T88 very reliable. If it goes thermal as you use it, you know as it is very hot. It also is a non-critical 50/50 mix and should not pose a problem there. Could it have frozen coming in from Wicks?
-- Paul KR2 Stretched Derry, NH -------------- Original message -------------- From: "Brad Payne" <bradleyspa...@gmail.com> > I am working on my *second* mockup of the KR2S. After finding some issues > in the first markup, I broke apart the first mockup. I was disturbed to say > the least at how the glue joints came apart. > > Of all the glue joints on the sides and a hand full of the cross members, > only about 5 or so joints did not break off at the glue joint. That does > not seem right! I have tried a few tests since with similar results. I > have tried: Sanded Joints, Clean cut (Bandsaw) joints, Lots of clamping > pressure, Little clamping pressure, No clamping Pressure. All tests were > done in 65-75 Degree temps with 40-45% humidity in the shop. This was at > the recommendation of a FAA Examiner. > > My Co-Builder (and Father) tried similar joints with a model airplane epoxy > (zpoxy) that was 10 years old and had better results! > > The epoxy I have been using is T-88. I hear this is the best stuff, but > it's not holding up to my satisfaction in these tests! I would assume that > since T-88 has such a great reputation, it must be something I am doing > wrong. Any ideas of what I might be doing wrong? Could my batch of epoxy > be bad? > > This was purchased in January of this year from Wicks and stored in my > basement until being taken to the garage when the temps got into the 50 > degree range. I do not see any crystals or other impuritys. This was mixed > well for 2 - 4 min until a uniform white paste was created. I have tried > measuing in both Paper cups by weight with a postal scale and by volume in > measured cups. > > Any help would be apreciated! > > > -- > Brad Payne > www.n494bp.com > bradleyspa...@gmail.com > _______________________________________ > Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > Post photos, introductions, and For Sale items to > http://www.kr2forum.com/phpBB2/index.php > please see other KRnet info at http://www.krnet.org/info.html
