>
> > What is this about, calculating spar strength?
> > Does address attach fitting too? (Although I believe I saw a 
> video that they break after the spar?)
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>Im studying beam theory and i wanted to see if i understood the math.
>I was trying to see how the design is doing with the latest take off
>weights.
>I'm surprised by the results.
>Thank you Mark!
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Surprised good or surprised bad?  Inquiring minds want to 
know.  Marty Roberts did his share of real world testing and lived to 
tell about it.  My hero. :-)

Larry Flesner 


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