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Bow question: gap between stick and screw


RaymondC
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Hello,

Recently I had a bow's frog replaced (the original frog had a crack in the tongue) and a rehair done.

I notice there is a gap between the stick and the screw when the bow is untightened.  Is this a problem?  The bow seems tighten ok (the gap dissapears) but it seems it takes more turns than is usually required.

I've attached a photo. 

 

 

Bow frog photo.jpg

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If the hair-tightening mechanism works to your satisfaction, this is not really a problem.  If you stop turning the button once the hair is loose, I don’t think the gap will appear.  I think that more turns are now required to tighten the hair because you now have a screw and eyelet with finer threads than the old ones had.

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Id be concerned about a gap of that size. The frog will pull unevenly on the eyelet and probably strip it in no time .Also looks like someone has filed the facets down to be level with the collar of the adjuster. Many Vickers bows ive seen have a collar slightly smaller than the stick diameter. The button doesnt look genuine either.

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3 hours ago, fiddlecollector said:

Id be concerned about a gap of that size. The frog will pull unevenly on the eyelet and probably strip it in no time

There are also big gaps between the frog slide and the stick causing an uneven pull. I agree that a misfit of frog and stick of such an amount will have a negative impact on the stick, maybe will cause damage a crack in the long run. To avoid this the OP  should look for a frog which matches the shape of the stick better than the actual.

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If the button is not the original and came with the new frog, the screw most likely is too long to fit into the drilled hole of the stick. The point may be forced into the existing spot under tension but does not sit want to sit there otherwise.  

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More concerning than the gap when the bow is loose is the possibility that the threaded portion of the screw may be extending beyond the mortise. This can cause the screw to thread itself into the wood damaging the stick. Frogs and adjusters have to fit the stick and your pictures don't look like a very professional job not to mention that a bow with a replaced frog will be greatly devalued.

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