...........and West Systems seems to have been the epoxy of choice for Wittman Tailwind wings over the past decade. They fly in excess of 200mph and haven't heard of one folding up yet. The wooden truss ribs are usually built using West epoxy and the same mix is used to coat the rib instead of a varnish.
Keep on keeping on, On 1/26/06, rhartwi...@juno.com <rhartwi...@juno.com> wrote: > > Larry, > You wrote: > "TRUE, BUT ... West System was designed for a fine finish over wood > boat hulls. All of the experts that I have talked to say "COSMETIC > ONLY, NEVER USE IT FOR STRUCTURAL PURPOSES" > > I would like to talk to the experts that gave you that information. West > System was formulated for bonding wood and other materials. It is also > used on the surface of wood boats to encapsulate the wood to protect the > wood from water--not for "cosmetic purposes" although epoxy does leave a > nice surface for adding a fine finish. I have built two wooden boats and > two wooden airframes (KR2 and Pietenpol) with straight West System with > no fillers (except where needed for nonstructural gap filling) and in the > process made many test pieces, broke them every imaginal way, soaked them > in water and tried to break the glue joint. The test pieces never broke > on the glue joint. I could probably dig up some test pieces from 30 > years ago if someone would like to see how the West System stands the > test of time. I have had the same fine results from T-88, but have not > used it extensively. > Rich H > _______________________________________ > 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 > -- Jerry Mahurin - aka - KRJerry EAA# 0034283 Lugoff, SC 29078
