[TheForge] Free the Stake!

[Peter Hirst]

I'm leaning toward the chemical rust remover and heat treatment.  Whether 
ultrasonic or electrolytic, I'm wondering whether it doesn't maks a huge 
difference that we're talking separating parts   as opposed to cleaning 
exposed surfaces. After all, this is the equuivalent of having a 2" diameter 
bolt  rusted into a nut that's 18" across and 4" thick  Even if the 
electrolyte seeps into the recess around the embedded part, isn't the 
current going to just go line of sight to the nearest surface rather than 
penetrating to where the problem is?

Anyway, I am currently soaking the sucker in PB blaster, and configuring a 
fire arrangement that will heat the swage block and cool the anvil at the 
same time.  Slow but high volume fire applied to the block and a water 
jacket around the stake. Unless someone tells me absolutley that 
electrolysis has worked for freeing deeply imbedded parts, I think I'm going 
with the chemical and heat.

PGH
----- Original Message ----- 
From: "Dan Brewer" <danqualman at gmail.com>
To: "'Sponsored by ABANA'" <theforge at mailman.qth.net>
Sent: Saturday, January 19, 2008 2:57 PM
Subject: RE: [TheForge] Free the Stake!


> negative is attached to the piece you want to have stuff removed  from and
> the Positive to the piece you want the stuff to be attached to.
>
> Dan
>
> -----Original Message-----
> From: theforge-bounces at mailman.qth.net
> [mailto:theforge-bounces at mailman.qth.net] On Behalf Of Peter Hirst
> Sent: Saturday, January 19, 2008 11:42 AM
> To: Sponsored by ABANA
> Subject: Re: [TheForge] Free the Stake!
>
> Uhh, the positive to which?
>
>
> ----- Original Message ----- 
> From: "Dan Brewer" <danqualman at gmail.com>
> To: "'Sponsored by ABANA'" <theforge at mailman.qth.net>
> Sent: Saturday, January 19, 2008 1:24 PM
> Subject: RE: [TheForge] Free the Stake!
>
>
>> All you are doing by putting something in the water is to make the water
>> more conductive.  So soda, salt, acid, all work. Attach the positive to
>> the
>> piece you want stuff to be removed from and the positive to the thing you
>> want to have coated.  All of this in a plastic bucket .
>>
>> Dan in Auburn
>>
>> -----Original Message-----
>> From: theforge-bounces at mailman.qth.net
>> [mailto:theforge-bounces at mailman.qth.net] On Behalf Of A Vida
>> Sent: Saturday, January 19, 2008 6:04 AM
>> To: Sponsored by ABANA
>> Subject: Re: [TheForge] Free the Stake!
>>
>>    You can use ANYTHING as an electrolyte.  Pee in the water if you
>> want.
>>  It will work just fine.
>>
>> Dan Scheid wrote:
>>> No keep them the same. The reason I like a mild HC is HC love to eat
>>> rust.
>>> But a soda is more environmentally friendly
>>> Dan Scheid
>>>
>>> I've done a little electrolytic derusting lately, using an alkaline
>> (washing
>>>
>>> soda) batheand putting the work piece on the cathode.  I've never used 
>>> an
>>> acid medium, but I would assume it requires reversing the polarity, yes?
>>>
>>
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>
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