Also used in areas that need resistance to fuel and oil. On Sun, Apr 7, 2019 at 10:12 AM Parley T Byington via KRnet < krnet@list.krnet.org> wrote:
> Virgil; > > That foam is Urethane foam and was what most early KRs were made with. > > The wing ribs as well as the surface are formed from this easily sanded > foam. One caution I would advise anyone who uses this type of foam is to > be SURE AND WEAR a face mask to keep the sanding foam out of YOUR LUNGS! > Also this type of foam produces syanide (sic) gas when burned! > > My wings and most of the molds used on my kr-2 was created using this type > of foam. > > Thanks > P. Byington > N54PB KR-2 > Henderson Nevada > byington1...@embarqmail.ocm > > > > On Apr 7, 2019, at 05:35, Virgil via KRnet <krnet@list.krnet.org> wrote: > > > > PVC Foam. Mid 70,s @ 0.25 par board foot, Virg > > > > On 4/6/19 10:41 PM, Oscar Zuniga via KRnet wrote: > >> Netters; I salvaged a KR2 project that's about 20-25 years old that > included all the "KR kit" foam board required to build the airplane. It > consists of a stack of boards that are something like 18" wide by maybe 8 > ft long and in two thicknesses. Color is sort of greenish and the stuff is > somewhat delicate and lightweight. I'm not kidding when I say that you can > take a piece of this board and use it to sand down another piece of the > board. I have no idea what it is or if it's worth hanging onto. Anybody > know what it is? > >> > >> Oscar Zuniga > >> Medford, OR > >> _______________________________________________ > >> 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 > _______________________________________________ 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
