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Re: Reed Winder

Author: jhoyla
Date: 2010-10-26 08:31

Kerry, thanks for joining this discussion.

Quote:

I never had any problems with staples.. Do remember that you only "CLOSE" the reed .. THEN you put it on the Mandrel... so you are not wrapping for long without one.. and then placing on the Mandrel ( a Rigotti ) gives the support it needs... One does not want to overly exert pressure on wrapping... it will NOT help it close!

I was taught to exert as much tension as possible on the thread as I wrap, and have on occasion snapped the anchor thread while wrapping (until I learned to push away with the mandrel as I wrap). You seem to be saying something entirely different!

I also re-use my staples a great deal - you will always be wrapping perfect, new staples. I am wrapping staples that have been cycled many, many times. The slightest imperfection in the shape will collapse under the tension of the thread when wrapping without a mandrel. I know this from bitter experience, and have cast away more than one collapsed staple and piece of cracked cane.

The edges of the shaped cane meet at (or just before) the top of the staple. The extreme edges are actually twisted at 90 degrees to the "flat" of the reed, and this twist is what gives the reed the strength to stay open.

It also acts as a spring, pushing the edges of the shaped cane together, all the way up to the tip. This is why reed shapes that "flare" more tend to seal better, while reed shapes that have more parallel sides are harder to make seal.

This seems to indicate that quite a lot of tension is needed in the thread, no? Please comment!

J.

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Reed Winder new

myoboe

2010-10-10 08:22