13.5G?! Incredible! I actually worried about the integrity of the KR wings, especially considering the detachable wing design, where both wings are connected via 8 bolts on each side, and only 4 bolts looked strong enough in my eyes....
Actually, I see that the Sonex has a much better wing design, because it is easily foldable, and doesn't really need to tie any bolts & nots each time when you pull it out of your hangar! I will be interested to know why Ken Rand didn't consider the Sonex type of foldable wing design, and is there anyone in this group who might have already converted his/her KR2 into a foldable wing structure like the Sonex has? Kindly, Dr. Hsu On Fri, Apr 3, 2020, 10:57 PM shafferj455js--- via KRnet < krnet@list.krnet.org> wrote: > Years ago, a California builder, Tested a stock KR-2 Center section > spar to destruction. It was good for 13.5 G's. > > -----------------------------------------From: "Mark Langford via > KRnet" > To: "Dr. Feng Hsu via KRnet" > Cc: "Mark Langford" > Sent: Friday April 3 2020 7:10:31PM > Subject: Re: KR> BRS chute > > Dr. Hsu wrote: > > > Has anyone heard any in-flight structure failures at all on KRs? > > This question has come up many times on the list, and to my > knowledge, > there's never been a structural failure (spars, fuselage....anything > made of wood) on a KR. There was a KR look-alike that lost its wings > during a high speed flyby at a KR Gathering, but it was composite, > built > in a short time frame, and apparently not as strong as a > "plans-built" > KR. Another "may" have had an elevator horn break (or the crash may > have caused it), but that's the only one that I know of, and I > wouldn't > call that structural, and it was isolated, if it even happened. > > Mark Langford > m...@n56ml.com > http://www.n56ml.com [1] > > _______________________________________________ > Search the KRnet Archives at see > > Links: > ------ > [1] http://www.n56ml.com > [2] https://www.mail-archive.com/krnet@list.krnet.org/. > https://www.mail-archive.com/krnet@list.krnet.org/. > /> Please see LIST RULES and KRnet info at </br<></a><a href= > [3] http://list.krnet.org/mailman/listinfo/krnet_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
