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KF Airfoils

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Dick Kline's story about the KF Airfoil & Condor Paper Airplane

Below is a brief story Dick Kline emailed us in 2009 about the the KF Airfoil and

Condor Airplane:

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Here's the brief story on The Condor.


When I developed my first stepped airfoil, it had the step on the

bottom. I was pleased with the way it flew, but like so many of us, I


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Types of KF Airfoils

Below is a Diagram of some of the different types of KF Airfoils Dick Kline sent us back in 2009. There are even more variants out there now. Please feel free to post about any KF Airfoil variations you may have used or seen.



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Dick Kline's Theory's on KFm3 Airfoils.

Below is an email & PDF's Dick Kline sent us back in 2009.


Email:

Hi Frank and Paul...

I have just written this piece as to why I think the KFm3 airfoil is a heavy lifter. I would like you comments on it. And, please let me know if you disagree with it. Or not. There has never been any official explanation as to why the KFm airfoils work in the first place. Only conjecture.

So here it is, and if you feel you want to post it, go ahead. But only if you think it is spot on.

Hope all is going well for you guys.


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