On 1/7/2021 12:29 AM, Michael via KRnet wrote:
To follow on Phillip comment, does it really matter what ply is used as
long as it is light and strong enough to hold shape in flight? What about
fibreglass and foam laminate like the KR-Super2? Could the laminate not
potentially be even better than ply (costs excluded)?
Spars are a whole different equation but for the boat; I am curious and
questioning status quo a little (I am no expert so questions are genuine)
Michael L Griffin
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Michael,
Please don't take my post personal or as an attempt to end your
questioning. As a matter of fact I encourage it. It seems from your
questions that you are unsure just what plan you want to proceed with.
Cost and availability seem to be a driving factor. The further you
deviate from a proven plan the longer the build time and the less likely
of success in the end. I recommend a "reality check". Go back to square
one and establish the primary reason you are building an airplane and
why you picked the KR design. If the KR fits your mission plans but
cost and availability of materials are beyond your means then you may
have to scale back your missions to an achievable level.
Personally I'd like to have a C182 but that's beyond my means. The KR
fits my need for speed and fits my budget (given several years build
time) but I gave up load capability but that got me in the air and I
don't regret it. Most of the building techniques you ask about have
been done in one form or another but I'm personally not knowledgeable of
them all used in one plan.
I'd suggest you, and anyone looking to build and airplane, start with a
clear mission plan. Decide what you want from the airplane and the
minimum capability you will accept. Decide what aircraft will meet
those requirements with a proven design. Start eliminating designs
until you find one that meets the mission , cost, and availability
targets. If modifying an existing plan is doable then go for it. If
your requirement is "I just want to fly" then maybe a hang glider and a
high hill will fulfill the mission. If the joy of building is primary
than go that route. I'm guessing your desire is somewhere between that
and a Lear Jet so only you can decide the course you take. Educating
yourself as you are doing with your questions is a good start in making
a decision. Just be honest with yourself when answering.
I guess what I'm trying to say with too many words is make sure you have
a clear plan that is achievable before spending considerable time and
money. If the KR design, with some modifications, fits your budget,
financial plans, and mission, then by all means go for it. I'm sure
you''ll have the backing of the KRnet.
Larry Flesner
P.S. Consider the wisdom of an old KR sage whose signature is just
above. "Having and flying a hang glider is preferable to only having
the desire to own a Lear Jet".
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