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When the tillering goal is no set
Eric Krewson:
To me it is mostly the quality of the wood you use, I have said before there is osage and then there is OSAGE, the latter being vastly different from the run of the mill stuff, heavy, very hard and cuts like butter with a drawknife with no splintering.
I have several bows that I made from this kind of wood 20 years ago that never developed any set at all.
Almost all of my bows develop some minor set over time and with countless thousands of arrows through them, I think this is inevitable and no big deal.
Selfbowman:
At what point does set start coming in for most of you ?? For me about20”. If we was to build a bow never drawn over 20” would it most likely not take set? If I was to design a bow that draws 50# @20” inches would it be more likely not to take set??? Now in flight for example if you had more early draw and less draw length could it cast an arrow farther because it had more stored energy even though the draw length was shortened?
superdav95:
--- Quote from: Selfbowman on November 30, 2024, 11:16:54 am ---At what point does set start coming in for most of you ?? For me about20”. If we was to build a bow never drawn over 20” would it most likely not take set? If I was to design a bow that draws 50# @20” inches would it be more likely not to take set??? Now in flight for example if you had more early draw and less draw length could it cast an arrow farther because it had more stored energy even though the draw length was shortened?
--- End quote ---
Good question. I wonder if what you are describing is more like an old style crossbow. Shorter draw but heavy early draw. I also notice set start to take place on my pyramid style bows and long bow at the 20” draw point.
superdav95:
--- Quote from: willie on November 29, 2024, 06:11:44 pm ---Zero set is the tillering goal.
What do you look for during the tillering process to see if you are pushing the wood too hard? Before the set happens.
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I like to creep up on it doing the basics like others have said. Design, layout, moisture content, and most importantly wood selection quality. Avoiding early mistakes in process will minimize set but wood quality makes the difference like Eric said I believe also. That being said, Inexperience with top quality OSAGE can also take set.
willie:
--- Quote from: superdav95 on November 30, 2024, 12:03:50 pm ---I like to creep up on it doing the basics.......
Avoiding early mistakes.......
--- End quote ---
Early mistakes are easier to see in simple bends.
When the limb has more complex shapes, ie deflex recurve/reflex or uneven limbs, The bowyer seeing the bends look even or consistent doesnt neccesarily mean the stresses are'nt getting to high someplace. Should a highly stressed area show set, well then we know, but I am hoping to find a way to see it coming before the set occurs.
How often have you lost alot of that nice "early draw" weight that makes for high string tension at brace, before set becomes apparent?
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