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Just An Idea --

----- at least it's working for me.


I had a neck in for some wicked warping to see if I could get it into better shape.

Someone had taken all the strings off the bass - a really nice 1986 Fender P and then stored the whole thing back in it's hardcase and it was left* forgotten in a closet for many years.

The trussrod was never released and was still compensating for strings which weren't there. Why are people so uninformed and think it's a good idea to remove the strings for storage?

It's such a nice bass and after one local luthier said it needed a new neck I decided I might not be able to get any decent results either as it was.

After all, a luthier gave up on it, so what were my possible attempts going to get too?

The neck had no twist to speak of and it was just back-bowed about 1 1/2 inches too far.

A few days in his press hasn't worked - although it was now only 3/4 of an inch back bowed.

At this same time I have also been making some Dobro-conversion nuts that overlay the standard nut on a steel string guitar, and I had an idea to try a really high nut on this bass and adjust the string tension up to pitch and let it sit a week in my bathroom.

Why my bathroom? HUMIDITY from the shower should help I thought. I shower twice a day and my wife usually does too, so there's a lot of moisture in the air on a daily basis.

I've heard that atmospherics can make necks go wonky, although I've never seen it on any of my gear - but I was going into uncharted (and 'luthier-condemned') territory here, so I decided it couldn't hurt anyway.

A week and a half into this evolution, and the back bow is less that 1/4 inch out of whack right now; but I've got to keep tuning up to pitch several times a day, so something good is happening!

Another week and I'll try the neck without the ridiculously high nut to see if things stay put or not.

Just FYI.

BTW: I'm still out for proof of the humidity having any effect - especially on a totally sealed/finished neck that all intents appears usable for a canoe paddle and bass neck with no untoward problems from either usage.
 
Why do people take the strings off for storage? Good question. This advise was given before adjustable truss rods and high tension steel strings were widely available. It made sense, given the construction techniques of the time. While technology moved forward, the advice was not modified to fit the new instruments. Now it is myth-information.

Humidity affecting the neck repair? Maybe. The problem was created by compression, not heat or humidity. This is not to say that the humidity is not helping. It might. The luthier who said the press didn't work simply quit before he was successful.

Whether the instrument is in a press or sitting on a stand in the bathroom, the instrument should be tuned to pitch at all times. Better yet, if it is not in a press, tune the instrument up a whole step to pull a little harder on the neck. Of course, the truss rod nut should be loose.
 
I claim no knowledge on this subject, but I did once have a bass with too much forward bow and a maxed out truss rod. My local shop sent it out for what they called a "steam treatment". I haven't the foggiest (get it?) idea what that is. But it sounds like you're giving your bass some kind of "steam treatment".

Hmmmmmm ---- I've gotta be careful to not get it too hot or humid I think. Just seeing me nekked in the shower should count for sumpthin'.