I'll be interested to know GR
----- Original Message ----- From: "Dan Morehouse" <messyd...@yahoo.com> To: <kr...@mylist.net> Sent: Friday, December 24, 2010 12:02 AM Subject: KR> Mil-spec 6073 vs. any other wood > I've been reading articles about selecting and testing wood. Lots of good > info. > Besides Sitka Spruce, Port Orford Cedar, Alaskan Yellow Cedar and Hemlock > are > rated as good choices for airplanes. In fact, Eugene Parker wrote an > article for > EAA in 1984(?) in which he ranked Sitka Spruce 3rd in his list of best > wood for > airplanes, POC was number one, AYC was two. Googling POC comes up with > BearCreekLumber.com. They're a half day's drive from me and quoted Sitka > Spruce > to be 25% more expensive than any of the other three. But this isn't > mil-spec > lumber. As I understand it, they can get very nice wood, but it would be > up to > me to inspect and test it. I read on this board how Harold Woods suggests > going > about testing each piece by getting them a bit overwidth, ripping a piece > the > full length of the board on both edges, and testing those pieces. Sounds > straight forward, but does that mean it's as good as mil spec 6073? > > So if I buy from ACS or Wicks, I'll get mil spec 6073, which means that > some > knowledgeable person thought this wood would be okay in an airplane. And > if I > buy this mil spec wood, do I still need to go through all the elaborate > testing? > If so, I'd end up with skinnier than called for wood, assuming they sell > it in > the exact width called for. > > I'm all for saving money and it would be neat to build with POC, if it's > really > top of the line. But I'm concerned that I may not be able to guarantee, > even by > inspection and testing, that this uncertified wood is as good or better > than > what a professional inspector has already deemed mil spec 6073 worthy. > I've > never inspected wood in this manner and don't know how reliable my tests > would > be. If buying certified wood removes all doubt about it's quality, the > several > hundred dollars extra I'd pay for this may be worth it. > > How did you guys go about buying, inspecting, and testing your wood? > > Thanks, > Dan > _______________________________________ > 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 > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1170 / Virus Database: 1435/3334 - Release Date: 12/23/10 >
