Building Bridges and Bending Wood

[gordon stelter]

Steam wood, bend, let dry, remove, laminate? Or same
with just heat? Why are you building a new root?
     Gordon

--- Farrell <mfarrel2@tampabay.rr.com> wrote:
> I'm having a bit of a time building my first bridge
> root. The bridge is for a M&H upright. It is will be
> made of vertically laminated quarter sawn hard
> maple. The bridge design requires a fair bit of a
> double bend where the bridge goes under the plate
> strut between the treble and tenor sections. The way
> I have it laid out, the bends have a radius of
> approximately three-inches. I cut laminations down
> to 2 mm, and it is still pretty hard to get the
> curve I want (I am actually crushing the wood trying
> to bend it). I realize I could ease the bend a bit
> and simply move the bridge pins so that they lie
> more towards the bottom of the bridge on the late
> note of the treble area, and higher on the bridge on
> the first note of the tenor section. I hate to start
> over though.
> 
> How tight a curve do any of you bridge builders use?
> How thick are you making your laminations for that
> radius? Any special tricks you are using to make
> this all work?
> 
> Terry Farrell
>   
> _______________________________________________
> pianotech list info:
https://www.moypiano.com/resources/#archives


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