Kenny, How old are you? You have 20 year old R/C planes! I doubt, if you are building a KR right now that this will be a concern in your lifetime. Heck, I turn 51 next week and have never even thought about it. Maybe after I am dead and gone in 50 years, my son may need to keep a close eye on it as he flies the KR. Hey it's Friday and only 97 DAYS TO THE KR GATHERING. :-)
Mark Jones (N886MJ) Wales, WI Web site: www.flykr2s.com Mailto:[email protected] -----Original Message----- From: [email protected] [mailto:[email protected]]On Behalf Of [email protected] Sent: Friday, June 23, 2006 7:13 AM To: [email protected] Subject: KR> Expected Lifespan of Construction Materials Have any of the KR builders out there researched the expected lifespan for the epoxies and plastic materials used to construct a KR? I know I have experienced breakdown/deterioration/debonding of some of the various commercial plastic, foam, and/or glued items that I have had over the years. One example is a pair of cycling shoes which had a stiff plastic sole and a vinyl/plastic upper that was bonded together with some sort of glue. After about 10 yrs, the glue started turning into a powder and the bond between the sole and the upper failed. I have R/C airplanes that are approaching 20 yrs old that have no signs of glue deterioration (CA and epoxy glues), yet. Some of the epoxies used have seemed to have undergone a transformation as the color of the epoxy has changed over the years. Thanks, Kenny -- Jesus, who do you say He is?!?! John 3:16 _______________________________________ Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp to UNsubscribe from KRnet, send a message to [email protected] please see other KRnet info at http://www.krnet.org/info.html
