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Common mistakes in deflex/reflex bows?
Aussie Yeoman:
Here's one of the two designs I'm currently playing with. The tips are essentially dead-even with the back of the handle at rest, the limbs pretty straight at brace.
To get this profile, it needs to have an amount of reflex equal to about 80 mm (3 1/4") of reflex on a straight bow. Which I assume would need maybe five inches of deflection during glue up, to account for spring-back.
sleek:
Biggest problem is over stressing the limb. A limb will always have a specific amount it can bend no mater its profile. Make sure the bend radius never is exceeded.
willie:
--- Quote from: sleek on December 14, 2025, 01:33:16 am ---Biggest problem is over stressing the limb. A limb will always have a specific amount it can bend no mater its profile. Make sure the bend radius never is exceeded.
--- End quote ---
A few forumites have mentioned already how difficult it is to not create a hinge when tillering a R/D design. How would you go about actually making sure the bend radius is never exceeded?
sleek:
You make sure the reflex is even thought the bending portion of the limb. Whe you bend the limb, you make sure the bend stays even as it straightens out, eventually becoming a straight line as the limb flexes flat. After its a straight line, you make sure it bends evenly into a perfect curve as you pull it through towards full draw. You set yourself up for success by evenly reflexing the bow. Start even, finish even.
Aussie Yeoman:
So to drop down on that further, how do you ensure that? Tiller only with a scraper? Some other stratagem?
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