I'm working on a library for my EAA chapter, if you could send me a copy, I'll make sure it gets a permanent home.
-mdg On Thu, Feb 9, 2012 at 10:08 AM, Phillip E. Harrison <mist...@earthlink.net> wrote: > Jeff, > Great advice, you are right on. There is a long history of wood > being used in airplane structures. > Mr. Wade, > "looking for stress in wood" /grading wood is critical. Things to > consider are: grain slope angle-straight "grain" is what you want, spacing > of growth rings... > A great resource to help with how to consider "visual grading of > wood" can be found at the national hardwood lumber association web page. > Also I a copy of a forest products laboratory report on selection/ > properties for aircraft wood. I will send it to anyone who would like it or > make it available in any appropriate way. > > Phillip E. Harrison > > > > > > pharri...@penumbradesign.net > -----Original Message----- > From: krnet-bounces+mistion=earthlink....@mylist.net > [mailto:krnet-bounces+mistion=earthlink....@mylist.net] On Behalf Of Jeff > Scott > Sent: Thursday, February 09, 2012 9:26 AM > To: David wade; KRnet > Subject: Re: KR> (no subject) > > Come on guys. Read his message again. What I'm reading here is a desire to > build the spar caps using Doug Fir rather than Spruce. > > Mr. Wade. This isn't new ground. Others have done the same. Select your > wood carefully. Keep in mind that when a spruce tree is selected to be used > as stock for aircraft grade woods, it is felled and handled much differently > from your average lumber yard wood, so inspect carefully for stresses in the > wood. > > Jeff Scott > Los Alamos, NM > > ----- Original Message ----- > From: David wade > Sent: 02/08/12 11:37 PM > To: kr...@mylist.net > Subject: KR> (no subject) > > Hello everybody. My name is David Wade and My KR-2 is my first aircraft > project ever. I have did careful research on my Center section spar material > and I looked at AC 43.13-1B Chp 1 pg 1-2, table 1-1. I have decided to use > Douglas fir 6 layer 1/2 inch laminate useing T-88 glue as a substitute for > spruce for various reasons both personal and non personal.Before I do I > wanted to get a few opinions and thoughts before I buy those pieces. > Opinions are always appreciated. Mr wade > _______________________________________ > Search the KRnet Archives at http://mylist.net/private/krnet/ > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html > > > _______________________________________ > Search the KRnet Archives at http://mylist.net/private/krnet/ > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html -- Our problems are mostly behind us, now all we have to do is fight the solutions.
