Main Discussion Area > Bows
Straight bow, optimal tiller profile (VirtualBow)?
bjrogg:
I’m with pappy. I prefer 3 but if I need a little more draw I usually end up with 4.
Bjrogg
Lehtis:
3 and 4 look the best for me too.
Selfbowman:
Has anyone other than me took the force draw and labeled the numbers marked on your bend profile chart or plan. Then tiller to force draw at each bend profile. This can double check your wood properties possibly. It would be after the fact but possibly teach you something. When I did that it was pretty amassing to me how accurate the design was. Doing that in a selfbow is a real challenge. Because of the unknown crown. But tillering to force draw and bend profile is the answer to the unknown in my opinion. Please correct me if I’m wrong.
Tuomo:
--- Quote from: Selfbowman on December 16, 2025, 12:25:19 pm ---Has anyone other than me took the force draw and labeled the numbers marked on your bend profile chart or plan. Then tiller to force draw at each bend profile. This can double check your wood properties possibly. It would be after the fact but possibly teach you something. When I did that it was pretty amassing to me how accurate the design was. Doing that in a selfbow is a real challenge. Because of the unknown crown. But tillering to force draw and bend profile is the answer to the unknown in my opinion. Please correct me if I’m wrong.
--- End quote ---
I am not sure if I understand you correctly. Could you please give an example? I am not sure how the draw-force curve can be involved, because the bow is overweighted during the tillering process?
Badger:
I would say #5. But I would stop the taper about 10" before the tip
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