You can also go here:
http://www.westcoastpiet.com/construction.htm
And find a couple of good articles if you want to figure out your own.....
Greg C.
----- Original Message -----
From: <hpvs@southwind.net>
To: <pietenpol-list@matronics.com>
Sent: Tuesday, November 17, 2009 7:43 PM
Subject: Re: built up spars
>
>
> Gentlemen!
>
> We do have Peter's most excellent material list, with all the "bits &
> pieces" -- I have "assembled" the spar from these pieces on paper some
> time ago -- Moment of Inertia for the front PFA spar is very close to the
> routed "I" spar (1" x 4 3/4" with the 1/2" web thickness). It's really a
> good design that only needs a wider opening for the front spar in the Piet
> wing ribs (1 1/8" vs 1") -- The rear spar only needs the original 1" spar
> opening.
>
> I could use some hints on the "swallow-tail" blocks between the caps! ;-)
>
> Cheers!
> Mike C.
> Pretty Prairie, KS
>
>
>