Main Discussion Area > Around the Campfire

Bow failure. Diagnosis help please.

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RyanY:
For it to break like that with so little bend and draw weight, there had to be some type of grain defect or issue with the wood's integrity.

Pat B:
I think the wood was inferior or too dry. Sound wood doesn't normally fail on the back unless there is an underlying problem.

sleek:

--- Quote from: Del the cat on July 20, 2020, 02:26:58 am ---
--- Quote from: sleek on July 20, 2020, 12:18:05 am ---... Neat to see the glass actually work for a change.

--- End quote ---
Eh? The glass didn't work!
It didn't act as a bomb proof backing... the back cracked!
The glass is maybe just masking defects that may otherwise have shown up.
@ Fractured...
My advice would be don't "try something new" every time.... try to get something that works consistently, material, design, technique... then try small variations and changes. Floundering around changing random elements never gets you anywhere. A slow logical patient approach is needed.
Yeah ok, have a go at something mad now and again, but get the basics right first!
Del

--- End quote ---

I mentioned the glass worked to keep it from exploding,  not tgat it saved the bow :)

bownarra:
So now you know that fg tape is useless for backing a wood bellied bow:)
A much better choice would be some linen cloth, silk, etc
Also your fades are too abrupt (thickness). You have a more or less straight line from handle down to working limb. This area should be concave with a more gradual blend into the working limb.

Del the cat:
BTW. Site rules are no F/G at all in the "Bows" section.
It should be in the "around the camp fire" section... just sayin'
Del

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