[TheForge] Free the Stake!

[Dan Brewer]

I have used the electrolytic method to remove rust from the threads of a nut
on a blot.  This method will attack the iron oxide first then sound steel.
I would try this method firs.  Then more drastic measures may be in order.
Two days in the bath with a current of about 4 amps should do it .  If you
start with hot water with automatic dish soap dissolved in it.  Check after
several hours to see what it has done.  You might need to change out the
anode  or clean it off to keep the current flow up.

Dan in Auburn 

-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net] On Behalf Of Peter Fels And Phoebe
Palmer
Sent: Sunday, January 20, 2008 10:16 AM
To: Sponsored by ABANA
Subject: Re: [TheForge] Free the Stake!

I live by the ocean and know rust way too well.
The electrolytic method has enabled me to disassemble parts i 
never thought would come apart.
You can make the positive electrode from a sacrifice piece of 
iron rod and bend it to fit around the joint to be 
cleaned...suspended close by.
Be sure to use a strong, even hot, detergent soak on the joint 
first....pf

Peter Hirst wrote:
> 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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> 
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> 
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