For those who may have missed it Chris Pryce's beautiful Corvair powered KR2S is seen taxing out to departure on a Thursday video from 2022 Airventure.
On Fri, Jul 29, 2022 at 3:41 PM Flesner via KRnet <krnet@list.krnet.org> wrote: > On 7/29/2022 1:50 PM, Terry Williams via KRnet wrote: > > Have there been any load analyzes done with regard to the changes made > with the KR2S and KR2S-mod (M. Langford, et. al.). I like what I read about > the changes, but I wonder if anyone has load tested the new structures and > published the results. Would the KR2S (and others) sustain +6g or -3g > loads. At what weights, etc.? > > Just curious, > > -Terry > > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > > I'm not aware of any "scientific" load testing ever done on the various > KR models. A very "unscientific" test was done to destruction at one of > the Gatherings and impressed all in attendance. The original KR2 plans > state the "design limit" is 7G's at 800 pounds so the "design limit" for > your bird will be weight dependent. My KR at 1300 gross would be 4.3 > G's. The 2S with it's longer wings might be slightly less than that. > Marty Roberts once claimed to have pulled 6 G's on the meter and > survived to embellish the story around the beer tub. His standard KR > weighted about 760 pounds as I recall. The new wing, if using taller > spars, might do better than that. Flying any EXPERIMENTAL you're > placing your butt on a lot of hearsay so take anything you hear with a > grain of salt. > > Larry Flesner > > -- > KRnet mailing list > KRnet@list.krnet.org > https://list.krnet.org/mailman/listinfo/krnet >
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