Posted 23 April 2012 - 08:22 AM
Posted 24 April 2012 - 07:50 AM
I plan to use shellac/french polish. I have asked similar questions here, so you might have a look at my profile for similar threads. Mine is Anglo, I'm not sure if ECs are more prone to warping. It will have new pads and valves etc fitted as well.
I have one box with new ends, I will strip the finish from the sides also. I might clamp the bottom half of the action chamber between two flat pieces of wood, and will aim to keep it in a stable medium humidity environment. The top will be taken off while I'm working on it. Undecided whether to finish the sides separately from the top with the two halves clamped together.
Posted 24 April 2012 - 11:56 AM
I did have a problem with warped reed pans in a "barn stored" earlier Lachenal that came to me that way - bad enough that most of the support blocks had been broken off, and the warp would not allow closing up of the concertina without undue pressure on the end bolts. I resolved that by making two ventilating hexes of 1" plywood (actually laminated scraps of 1/2") lined with felt, and spring clamping over the reed pans. The spring clamps don't apply excessive pressure and adjust as the pan slowly flattens out. I placed the clamped assembly near a window (slightly opened) and left for a couple of days. Surprisingly, this took out the bulk of the warp, and even more surprisingly the problem has not returned. Could be just luck as I've only done this once.
As this worked in an extreme case, I confidently just follow Dave's advice on the plastic bags, knowing I have a fall back - but the bags always seem to do the trick anyway.
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