Check out some of my repairs... they may not apply but it is how we repaired damages to the structure by the previous owner and what we did to repair them. https://www.youtube.com/watch?v=1Zp2PPYQTV8&t=431s KR2S Stub Wing repair
| | | | | | | | | | | KR2S Stub Wing repair Previous owner put holes in the wing and we had to repairto get the airplane flying again. Here is the method we... | | | https://www.youtube.com/watch?v=0rcDvXOsPTI Luis R Claudio, KR2S On Monday, August 27, 2018 12:16:44 AM CDT, Lee Shook via KRnet <krnet@list.krnet.org> wrote: Thkyou Jeff, appreciate the clarification on resins, I will make sure I verify what resin I have, and apply accordingly. Cheers. Sent from my iPhone > On Aug 26, 2018, at 6:35 PM, Jeff Scott via KRnet <krnet@list.krnet.org> > wrote: > > > The pink foam is undoubtedly a polystyrene foam, but it sounds like you are > using a polyester or vinylester based resin where you are mixing MEKP as a > catalyst. That will melt polystyrene on contact. While vinylester resin is > acceptable, you can't use it over a polystyrene foam. It does work with > polyUrethane foam. If you have polyester resin, you shouldn't be using it at > all. Use an epoxy based resin as it will not react with the foam. If you > read the plans, you should be using a slurry of microballoons mixed with > epoxy resin to a peanut butter like consistency as a base over the foam to > lay up your glass repair over the holes. It's all in the plans for building > the plane. > > -Jeff Scott > Cherokee Village, AR > > On 8/26/2018 7:23 PM, Lee Shook via KRnet wrote: > > I put resin on the foam and it started to deform. Kinda at a stand still. > > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > Sounds like you need to contact the builder and get info on what > materials he used. Sounds like a compatibility problem. That one is > beyond my ability to help. Pink foam that deforms with epoxy contact, > huummmmm....... > > What was used to do the original layup? > > Larry Flesner > > > > _______________________________________________ > Search the KRnet Archives at > https://www.mail-archive.com/krnet@list.krnet.org/. > Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options. > To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org _______________________________________________ Search the KRnet Archives at https://www.mail-archive.com/krnet@list.krnet.org/. Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change options. To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org _______________________________________________ Search the KRnet Archives at https://www.mail-archive.com/krnet@list.krnet.org/. Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change options. To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org
