Well hell, if anyone really wants to find out what will happen when
you grossly overload any of the KR series aircraft without making
significant airframe strengthening let them go up and let her rip. By the
way, wear a chute, pray and if you survive, report back the numbers where
she finally gave up the ghost. This total thread is useless as the figures
are posted in many places, but then again every aircraft is different as are
those that built them. From years of personal experience working with
engineers I can say with all confidence that most are full of s**t. More
than a few times I've had to bail from an aircraft that the engineers said
could easily handle anything I could throw at her. WRONG.. I am no
superhero, nor super pilot but have done my fair share of flying the edge of
the envelope and can tell you from experience that stress kills. Too much
stress at home or on the job is the same as too much stress on an aircraft.
Either way you're just as dead. As for my Kr, I'm building it to take what
punishment I can dish out along with navigation, commo and creature
comforts. Keeping track of weights of all items and feeding the information
into various design software to see what structural changes need to be made
along the way. KR2S, well it resembles one and that is the way it started
life. Just have to see what finally takes to the air when all the dust and
sweat have cleared and she has passed her inspections. One thing is for sure
it will be the only "N" numbered aircraft built and registered outside the
states unless we got another service person lurking here.
Doug Rupert
Simcoe Ontario

Colin,
BE CAREFUL!
I don't know what you mean by "60 degree LEVEL bank turn".
Just today at the gathering we discussed max stress on the KR. It was
established that the KR is max stressed to 7 Gs at 800 #. Meaning a total
maximum supported "felt" weight of 5600 #. So if your gross is 1400#, your
max G load is just shy of 4 Gs. If at that gross weight you make a turn at
60 degree, your "felt" weight is 2800# IF THIS HAPPENS IN BUMPY AIR, YOU
JUST MIGHT EXCEED MAX LOADING, MAKING YOU THE TEST PILOT!!! Caps were not
intended, but appeared at the right time! I'm not exactly clear on your
intended message but want to warn everyone NOT to exceed the load limits!
Joachim




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