Main Discussion Area > Bows
Looking for a 400 yard shot
willie:
--- Quote from: sleek on May 13, 2025, 10:58:40 pm ---If you build a 64 inch version of the bows I make, and pull it to 35 inches, you will absolutely blow way past 264. Arrow shafts will be your hardest part.
--- End quote ---
can we see the unbraced side view of that design? sounds radical.
superdav95:
I’m watching this one too. Can’t wait to see what you come up with sleek!
sleek:
Here is a test bow pulling 35 pounds at 25 inches. The bow is 46 inches long along its curves.
RyanY:
Great update Kevin! Looks awesome.
sleek:
This thread is part of this experiment. The lesson from this is that there is a minimum bend radius wood can make before it wants to split long ways due to a cupping effect. I am going to build another bow that includes stiffeners spaced down the bow limb almost exactly like frets on a guitar neck or railway ties on a track to guard against this cupping issue. If that has the desired effect, I'll start carving them into the bow like a relief carving as I tiller, that way its still a selfbow of one piece.
Another more simple idea is to remove the crown completely so its flat as a board on both sides. That may reduce the tendency for cupping as well.
One more idea is to make the belly convex to match whatever crown there is and hopefully stop the cupping. The problem with that is that its hard to distribute the compression forces across the belly evenly. This will likely end up causing compression frets and set.
Either way, lots to explore here. This is a poc of what im thinking about with the guitar frets.
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