I am a new member to this list, and am also building my first Lehman seis.
I have a couple of questions:

1).  I am using a 1/2" steel threaded rod for the boom.  Will this be ok,
or should the boom be of non-ferrous material?

2).  Is there a recommended distance between the boom pivot point and the
boom support wire attachment point?

I know that initially the boom wire pivot should lead the boom pivot by
about 1cm,  but I am just curious if there is a recommended max distance
from boom to upper crossarm.

Thanks to everyone....

Jim D. Martin
Fort Wayne, Indiana



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