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Flat or radius belly

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Mad Max:

--- Quote from: simk on June 13, 2025, 02:55:17 am ---The rectangeld cross section is the most efficient regarding mass. So the only reason to round the belly, which basically is kinda reverse trapping, is to relieve stress from the back. That is also the only reason why you would round the belly of a yew longbow. Do you need to relieve stress from your boo? 😀

--- End quote ---

I would say No

Pat B:
For me it depends on the belly wood. For Osage I like a slightly rounded belly but for most white woods I prefer a flat, rectangular cross section. I think ipe can handle a slightly rounded cross section but I think a flat belly works fine as well.

mmattockx:
Flat belly is best from a stress point of view, but ipe can survive pretty much anything you throw at it, so you can do whatever appeals most from an aesthetic standpoint.


Mark

JW_Halverson:

--- Quote from: simk on June 13, 2025, 02:55:17 am ---The rectangeld cross section is the most efficient regarding mass. So the only reason to round the belly, which basically is kinda reverse trapping, is to relieve stress from the back. That is also the only reason why you would round the belly of a yew longbow. Do you need to relieve stress from your boo? 😀

--- End quote ---

To further expound on this, perhaps unnecessarily so, a wood that is absolutely superior in compression strength vs tension strength would benefit from a rounded belly. Woods equal in tension vs compression would suffer from a rounded belly because one would be handicapping the compression by rounding.

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