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Non-straight bows??

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Marc St Louis:
The only reason most Yew bows can tolerate some back violations is because they are usually made with a fairly deep D cross section, such as Longbows and Warbows.  This relieves some stress from the back.  A flat bellied Yew bow may not survive back violations

Don Case:

--- Quote from: Marc St Louis on April 01, 2014, 05:03:33 pm ---The only reason most Yew bows can tolerate some back violations is because they are usually made with a fairly deep D cross section, such as Longbows and Warbows.  This relieves some stress from the back.  A flat bellied Yew bow may not survive back violations

--- End quote ---

OK, now I'm confused. I thought that a deep section increased stress on the back AND belly. Is there a quick explanation?
Thanks
Don

Marc St Louis:

--- Quote from: Don C on April 02, 2014, 12:46:36 pm ---
--- Quote from: Marc St Louis on April 01, 2014, 05:03:33 pm ---The only reason most Yew bows can tolerate some back violations is because they are usually made with a fairly deep D cross section, such as Longbows and Warbows.  This relieves some stress from the back.  A flat bellied Yew bow may not survive back violations

--- End quote ---

OK, now I'm confused. I thought that a deep section increased stress on the back AND belly. Is there a quick explanation?
Thanks
Don

--- End quote ---

If you want to relieve stress from the back of a bow then round the belly.  Even a shallow D section bow will relieve some stress from the back.

DarkSoul:
"Even a shallow D section bow will relieve some stress from the back..." by putting it on the belly!

Marc St Louis:

--- Quote from: DarkSoul on April 06, 2014, 01:04:12 pm ---"Even a shallow D section bow will relieve some stress from the back..." by putting it on the belly!

--- End quote ---

Exactly.  That is why only the most elastic of wood do well with a round belly.

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