On 8/9/2020 3:06 PM, Dr. Feng Hsu wrote:
I would also say, that one of the biggest safety hazards for a very
small and light aircraft like the KR2, is its extremely high
sensitivity of CG locations, correct? Or in other words, it's the VERY
LOW erro tolerance for CG violations, which could change in a
potentially very hazardous way when taking a passenger with short or
long legs, or someone with abnormal body weight... Right?
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Generally speaking,all aircraft have similar CG range when given in % of
MAC. It's just that the smaller the aircraft the small the range in
inches and the less weigh, in comparison to the aircraft empty weight,
it takes to move the cg out of limits. My 212 pound body is 27% the
weight of my KR. If I carried a 212 lb passenger we would equal 50+% of
the aircraft weight. If the two of us stepped aboard a 737 the pilot
would be unaware of our presence. It's all relative. An yes, if you
intend to build a KR, don't expect to take your friends with "abnormal
body weight" for a $100 hamburger flight.
Larry Flesner
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