I just saw this type of A-beam on someone's website, and I will probably go that route. I'll be out in somerville soon to check out the irish music at Tir Na Nog, so let me know where you are and I'll stop by with the level!

> I always support the center of the strongback with a wood stick A-frame.
> This props up the middle and stiffens the whole form considerably
> (vertically AND laterally). If you build the hull first, this is quite
> important so that you don't get a 'hog' (sag) in the middle. If you build
> the deck first, support it anyway, but mildly incresed rocker is almost
> inconsequential. The laser level is a great idea and I considered it
> myself. My shop is in Somerville and I am about to start a new design so I
> may just take you up on that offer :)

> Vaclav