[PSUBS-MAILIST] Extractor

[James Frankland via Personal_Submersibles]

Hi Rick

Thanks for the ideas.  Ive just bought a standard shop ventilator, a
load of galvanised pipe and some flexible tubing.  Some sort of
adjustable arm contraption hanging from the ceiling and I should be
good to go.

Regards
James

On 12 December 2017 at 18:42, Rick Patton via Personal_Submersibles
<personal_submersibles at psubs.org> wrote:
> James,
>
> Tried to contact you offline but didn't have luck for some reason but this
> could have some value to the others that are in the same boat "pun intended"
> as you. One way would be to make a 4 sided hood out of cardboard or plywood
> that had the large opening say 4' X 4' on the bottom with the pyramid
> tapering down to an opening that was 1" square at the top. The height would
> be dependent on the height you had to work with in your shop. Suspend this
> hood over the area you are stick welding, connect a shop vac hose to the
> upper small opening and run the discharge end of your shop vac hose outside
> your shop.
> The other way was how we did it in the habitat when we switched from tig
> welding to stick welding. Both guys had a flex hose with a magnet on the end
> of it and we would just keep moving the hose up the pipe as we went and as
> close to the weld as possible and it worked great to keep a clean atmosphere
> in the small room. The smoke was sucked up to the surface, analyzed, then
> cleaned and heated and then pumped back down to the habitat and came out a
> vent so basically recycled.
> Hope this helpes
> Rick
>
> On Tue, Dec 12, 2017 at 12:15 AM, James Frankland via Personal_Submersibles
> <personal_submersibles at psubs.org> wrote:
>>
>> Has anyone ever made a cheap smoke extractor?  I need one to suck up
>> smoke when arc welding in my shop as there is not much ventilation.
>>
>> "Proper" ones are really expensive.  It cant be that difficult to make
>> something.
>>
>> Better contact me off list as its not really sub related.
>>
>> Thanks
>> james
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>
>
>
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