Old mech tubes never die ;) (in MIXX mix)
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#101 (permalink)      1/27/2022 5:24:40 AM US Central   quote/reply + tips
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Troepfler
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Moldy wrote:
... Why are you using vinegar instead of actual copper or brass polish out of curiosity? Wouldn't 5min with a rag and some polish be easier? ...

I used 2014 to 2021 Isopropanol, a soft slow rotating brass wire brush and very very fine sandpaper to clean mech mods INSIDE.
But that needs 30 min for each mod.
To find a faster solution, I put the question in post #2.
In post #3, #5, #18 and #19 the answer was "vinegar".
I tried that, and yes, for pure copper, pure brass and pure SS, vinegar seems OK.
But vinegar destroys chrome plated springs,
and perhaps painted tubes, plastics, aluminium and silver plated contacts.
I am not talking about, how to make a mech mod outside very shiny.
Seems kerosin or kerosin mixed with car fuel could be a solution.
But in the next step, I will try Zarcks post #12 solution with the ultrasonic cleaner.
#102 (permalink)      1/27/2022 6:27:18 AM US Central   quote/reply + tips
Crispycritters
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Troepfler wrote:

Moldy wrote:
... Why are you using vinegar instead of actual copper or brass polish out of curiosity? Wouldn't 5min with a rag and some polish be easier? ...

I used 2014 to 2021 Isopropanol, a soft slow rotating brass wire brush and very very fine sandpaper to clean mech mods INSIDE.
But that needs 30 min for each mod.
To find a faster solution, I put the question in post #2.
In post #3, #5, #18 and #19 the answer was "vinegar".
I tried that, and yes, for pure copper, pure brass and pure SS, vinegar seems OK.
But vinegar destroys chrome plated springs,
and perhaps painted tubes, plastics, aluminium and silver plated contacts.
I am not talking about, how to make a mech mod outside very shiny.
Seems kerosin or kerosin mixed with car fuel could be a solution.
But in the next step, I will try Zarcks post #12 solution with the ultrasonic cleaner.



Why do you need to clean the inside surface of a mech? You needs to clean the contacts (and the 510 pin if it isn't a hybrid type) along with the threads and the switch internals, but cleaning the inside of the tube serves no practical purpose.

#103 (permalink)      1/27/2022 7:00:48 AM US Central   quote/reply + tips
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Moldy wrote:

Why are you using vinegar instead of actual copper or brass polish out of curiosity? Wouldn't 5min with a rag and some polish be easier than soaking parts in vinegar for a week? I'm positive you'll get a better result using a commercial product versus vinegar. Just don't use it on any silver plated bits.


Yep, that was already suggested in post #5 too. Obviously it can be used for contacts and all inner parts as well. It doesn't destroy aluminium or plastic (in the contrary, can be used for polishing those), ok for silver plated contacts too (unless maybe if you polish them every day...)

#104 (permalink)      1/27/2022 11:04:54 AM US Central   quote/reply + tips
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Yes, I am very sorry that INSIDE was not the perfect description.
Next time I will write:
" ... to clean the contacts (and the 510 pin if it isn't a hybrid type) along with the threads and the switch internals ... "
thats more exact.

Today I used the same battery which I used in the " 7 days vinegar Nemi" in a SMPL,
and found a big delay in fireing.
The reason was lots of black hard plastic on battery minus.
No problem to remove the black plastic.
It seems the vinegar was aggressive to the Nemi plastic ring.

OK, 7 days for a Nemi in vinegar was too much, my fault.
But it shows how some parts react to vinegar.

And a special add for CC: the battery was not in the vinegar.

So far, we all got ideas, how to clean mech mods INSIDE.
#105 (permalink)      1/27/2022 2:57:18 PM US Central   quote/reply + tips
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Troepfler wrote:

Yes, I am very sorry that INSIDE was not the perfect description.
Next time I will write:
" ... to clean the contacts (and the 510 pin if it isn't a hybrid type) along with the threads and the switch internals ... "
thats more exact.

Today I used the same battery which I used in the " 7 days vinegar Nemi" in a SMPL,
and found a big delay in fireing.
The reason was lots of black hard plastic on battery minus.
No problem to remove the black plastic.
It seems the vinegar was aggressive to the Nemi plastic ring.

OK, 7 days for a Nemi in vinegar was too much, my fault.
But it shows how some parts react to vinegar.

And a special add for CC: the battery was not in the vinegar.

So far, we all got ideas, how to clean mech mods INSIDE.



Fine, but it seems odd you try brushes with isopropanol/vinegar etc but not metal polish which is specifically formulated for cleaning brass and copper and won't destroy plastics that gets the job done in m inures and gives the best results.

Maybe you have allergies?

#106 (permalink)      1/27/2022 4:42:46 PM US Central   quote/reply + tips
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CC wrote:
Fine, but it seems odd you try brushes with isopropanol/vinegar etc but not metal polish which is specifically formulated for cleaning brass and copper and won't destroy plastics that gets the job done in m inures and gives the best results.

Zarck wrote in post #12:
An ultrasonic cleaner will do wonders with copper. Also reach everything that's submerged.
Acids as vinegar will also tend to etch the metal.

I think, metal polish is very helpfull on flat surfaces,
but perhaps not the best solution for "submerged corners".
And we think about the dirt, when we use a toothbrush and metal polish.

I used Isopropanol to losen dirt and oxidation,
and when the thing is dry, then the brass brush and very fine sandpaper.
Now, with some reading about oxidation removers,
I would say, kerosene and kerosene with car fuel could be better.
The US solution kerosene with acetone seems dangerous, acetone removes paint.
Next step will be Zarcks ultrasonic cleaner,
if this will not have a good result, I will try the kerosene story.
#107 (permalink)      1/27/2022 6:05:42 PM US Central   quote/reply + tips
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When you use a soft cloth - submerged corners are not an issue. The best answer to removing oxidisation on copper and brass is to use the product specifically designed to do the job quickly, easily and efficiently - and that has always been metal polish.

If you're going to try an ultrasonic, it will remove dirt, but it isn't particularly efficient at removing oxidisation - if you try an ultrasonic make sure you don't put painted parts in it because they can damage paint easily - and the paint quality on many clones is of poor quality and can easily start to peel
#108 (permalink)      1/27/2022 7:47:53 PM US Central   quote/reply + tips
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Hey guys & gals not posted for a while. Nice to see the FT forum is still going on strong, SMPL's were my go to for several years,V6 orchid,wotofo Conqueror,Stillare Storm,Apo,Doge.

Q? Just dug out my Noisy Cricket,thought I would pair up again with my Thunderhead Creations Proto for a blast but serious oxidation on the threads.

Any tips for cleaning Alu?

Still no 21700 SMPL ?
#109 (permalink)      1/28/2022 10:30:43 AM US Central   quote/reply + tips
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RussG wrote:

Hey guys & gals not posted for a while. Nice to see the FT forum is still going on strong, SMPL's were my go to for several years,V6 orchid,wotofo Conqueror,Stillare Storm,Apo,Doge.
Q? Just dug out my Noisy Cricket,thought I would pair up again with my Thunderhead Creations Proto for a blast but serious oxidation on the threads.
Any tips for cleaning Alu?
Still no 21700 SMPL ?



I have the same issue with my Alu Nemi Mods.
When I use a Alu Nemi daily, the problem decreases.

There are chemical solutions, how to remove alu oxidation,
but they do not even write, is their product for pure alu or eloxal alu?
CC wrote, ultrasonic will not remove oxidation,
I think, perhaps after a kerosene treatment, ultrasonic will work.

My next steps for alu will be:
#1 soak it in kerosene
#2 toothbrush
#3 apply graphit or mos2 penetrating oil
# 4 test the thread, if not OK start with #1 again

Yes, I am also waiting for a 21700 SMPL,
that would be lots of fun,
and they would sell lots of 21700 SMPLs.

#110 (permalink)      1/28/2022 10:33:46 AM US Central   quote/reply + tips
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I'd just use the same metal polish for threads even alu, with a tooth brush or/and with some fine metallic wool. Then warm soapy water.

Edited on 1/28/2022 at 10:35 AM. Reason:
#111 (permalink)      1/28/2022 11:17:36 AM US Central   quote/reply + tips
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Troepfler wrote:

RussG wrote:
Hey guys & gals not posted for a while. Nice to see the FT forum is still going on strong, SMPL's were my go to for several years,V6 orchid,wotofo Conqueror,Stillare Storm,Apo,Doge.
Q? Just dug out my Noisy Cricket,thought I would pair up again with my Thunderhead Creations Proto for a blast but serious oxidation on the threads.
Any tips for cleaning Alu?
Still no 21700 SMPL ?

I have the same issue with my Alu Nemi Mods.
When I use a Alu Nemi daily, the problem decreases.

There are chemical solutions, how to remove alu oxidation,
but they do not even write, is their product for pure alu or eloxal alu?
CC wrote, ultrasonic will not remove oxidation,
I think, perhaps after a kerosene treatment, ultrasonic will work.

My next steps for alu will be:
#1 soak it in kerosene
#2 toothbrush
#3 apply graphit or mos2 penetrating oil
# 4 test the thread, if not OK start with #1 again

Yes, I am also waiting for a 21700 SMPL,
that would be lots of fun,
and they would sell lots of 21700 SMPLs.


Troepfler wrote:

RussG wrote:
Hey guys & gals not posted for a while. Nice to see the FT forum is still going on strong, SMPL's were my go to for several years,V6 orchid,wotofo Conqueror,Stillare Storm,Apo,Doge.
Q? Just dug out my Noisy Cricket,thought I would pair up again with my Thunderhead Creations Proto for a blast but serious oxidation on the threads.
Any tips for cleaning Alu?
Still no 21700 SMPL ?

I have the same issue with my Alu Nemi Mods.
When I use a Alu Nemi daily, the problem decreases.

There are chemical solutions, how to remove alu oxidation,
but they do not even write, is their product for pure alu or eloxal alu?
CC wrote, ultrasonic will not remove oxidation,
I think, perhaps after a kerosene treatment, ultrasonic will work.

My next steps for alu will be:
#1 soak it in kerosene
#2 toothbrush
#3 apply graphit or mos2 penetrating oil
# 4 test the thread, if not OK start with #1 again

Yes, I am also waiting for a 21700 SMPL,
that would be lots of fun,
and they would sell lots of 21700 SMPLs.



If scrubbing using a brush and kerosene doesn't remove oxidisation why do you believe that an ultrasonic will then mysteriously work? An ultrasonic will remove built up dirt but oxidisation isn't dirt - it is rust.

The reason your rotating brush and isopropyl method took 30 minutes is you were simply using a solution that isn't suitable for removing oxidisation - it was the brush doing the work NOT the isopropyl. Isopropyl is great for degreasing and general cleaning and sterilisation, but not for removing rust.

It seems you are looking for alternative methods of cleaning, which is great - but have you actually tried cleaning metal with metal polish so you have a baseline to compare how much time and effort each method takes to get the job done?