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how not to remove rust
Posted: Wed Mar 12, 2008 4:10 pm
by Robert Waters
I found an old adjustable wrench that had been out in the weather, but worth cleaning up. I had bought some muriatic acid to clean concrete with. I got the idea that it might clean the rust off the wrench. All I could find to use for the container was an old aluminum paint sprayer bottom. It has a lot of pant in it so it took it a while to develop a problem.
I stuck the wrench down in it and was amazed at how well it took off the rust. However, I turned my attention to something else for a moment, then turn around and a huge amount of very dangerous smoke was coming from the can. It was HOT, but I got it out of the garage, without breathing enough to kill me. It did cause a lot of things in the garage to rust, so I probably caused a lot more rust by using it than I got rid of.
Any of you chemist want to tell me how close I was to killing myself? I breathed a little and it hurt. Luckly I did not have a dog around--it would surely have killed it.
rw
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no really - sprockets "to flip or not to flip"
Posted: Wed Mar 12, 2008 9:34 pm
by Dail
A-19, 31,000 Miles, OEM front sprocket, OEM rear sprocket and chain,
no chain adjustment required,
single injector Scott oiler from Fred installed Day one
----- Original Message -----
From: "Michael Nelson"
To: DSN_KLR650@yahoogroups.com>
Sent: Wednesday, March 12, 2008 2:53 PM
Subject: Re: [DSN_KLR650] Re: no really - Sprockets "to flip or not to flip"
> On Wed, Mar 12, 2008 at 07:35:35PM -0000, fasteddiecopeman wrote:
>> Michael,
>> I'd consider it an "unnecessary expense" (I believe Bill Watson would,
>> too). I replaced my
>> front sprocket some time ago, still have the OEM rear AND the ORIGINAL
>> chain on, at
>> 45,000 kms (27,900 miles)! It's been adjusted only a few times (4 or
>> 5???) and is cleaned
>> and lubed with WD40 RELIGIOUSLY.
>
> I don't doubt you can do it.
>
> But I really like the smooth running feel of new sprockets and chain.
>
> --
> "Tragedy is when I cut my finger. Comedy is when you fall into an open
> manhole and die." -- Mel Brooks
>
> San Francisco, CA
>
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how not to remove rust
Posted: Thu Mar 13, 2008 12:57 am
by Nathan Nichols
Here's a pretty good write-up of why that happens
http://www.newton.dep.anl.gov/askasci/chem03/chem03286.htm
Short story: steel has a thin layer of metal oxides that prevent rusting.
The acid etches or disolves that protective layer.
On Wed, Mar 12, 2008 at 4:10 PM, Robert Waters
wrote:
>
> I found an old adjustable wrench that had been out in the weather, but
> worth cleaning up. I had bought some muriatic acid to clean concrete with. I
> got the idea that it might clean the rust off the wrench. All I could find
> to use for the container was an old aluminum paint sprayer bottom. It has a
> lot of pant in it so it took it a while to develop a problem.
>
> I stuck the wrench down in it and was amazed at how well it took off the
> rust. However, I turned my attention to something else for a moment, then
> turn around and a huge amount of very dangerous smoke was coming from the
> can. It was HOT, but I got it out of the garage, without breathing enough to
> kill me. It did cause a lot of things in the garage to rust, so I probably
> caused a lot more rust by using it than I got rid of.
>
> Any of you chemist want to tell me how close I was to killing myself? I
> breathed a little and it hurt. Luckly I did not have a dog around--it would
> surely have killed it.
>
> rw
>
>
>
> TotalHealth.bz
> Focus On Truth
>
> ---------------------------------
> Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it
> now.
>
> [Non-text portions of this message have been removed]
>
>
>
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