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Removing rust from shell wood

Posts: 27 Threads: 4

Hello.

I am in the middle of restoration of a not so old Pearl Export 1997 which had been through harsh environments.

I am starting to restore the tons now and noticed that under the inner screw washers that hold the lugs there is a very bad rust stain on the plywood. The washers will go straight into the "metal conditioner" which I mentioned on this post but the wood stains remain a mistery to me on how to remove them.

I have heard of oxalic acid or even sanding the place.

What would you recommend?

Thanks.

Jeffo.

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1997 not-quite-vintage fully restored Pearl EX in Red Wine Finish
1965 Slingerland Deluxe Student Model Snare in Red Sparkle Finish. Now that's some vintage...
Posted on 15 years ago
#1
Posts: 818 Threads: 10

From jf_moreira

I have heard of oxalic acid or even sanding the place. What would you recommend? Thanks.Jeffo.

Either or both.

Posted on 15 years ago
#2
Posts: 1432 Threads: 110

I would refrain from doing that in general.

The rust stain is just like a 'colour' on the shell body:

it doesn't effect the sound nor does it grow furtheron there

by itself. It's just like a print onto the shell.

Oxalic acid is a chemical powder. If you use it in solution there,

the spot might become bigger than the actual rusty one ...

If you like to sanding the place: also this - to me - seems

impossible without - again - including/ effecting the surrounding area ...

In both cases you harm the shell more than the actual spots

do. - And the spots will (nearly) be hidden again, when the washers

are back at their places.

Ralf

Vintage STAR (= Pre-Tama) website: www.star-drums.de
Posted on 15 years ago
#3
Posts: 44 Threads: 8

If it really bothers you, try a diluted bleach solution VERY SPARINGLY to try and lighten the stain... dab it on with a Q-tip.

Posted on 15 years ago
#4
Posts: 27 Threads: 4

From Altar Drums

If it really bothers you, try a diluted bleach solution VERY SPARINGLY to try and lighten the stain... dab it on with a Q-tip.

Mm...have to try that next time.

I did both tests: oxalic acid and sanding.

The oxalic acid did lighten it. But...even used sparingly it made areas near the stain to grow a grayish color...not good.

I decided to drum sand the places. Sanded very lightly and the problem was solved. My main concern was that the rust in the wood could "help" to rust the clean phosphated screw/washers again...

Thanks for your replies, guys.

[ ]s,

Jeffo.

1997 not-quite-vintage fully restored Pearl EX in Red Wine Finish
1965 Slingerland Deluxe Student Model Snare in Red Sparkle Finish. Now that's some vintage...
Posted on 15 years ago
#5
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