Thanks everyone.

Arthur
Funny you mention crossbows. I was cleaning up some old files in my officelast night and I came across some old plans for a repeating crossbow. As for the grips, I play around with different styles on bows like these, in search of the perfect feel. My daughters are like night and day. My oldest likes a deep, thick pistol grip and my youngest likes a more straight, simi-pistol grip.