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Old 08-10-2019, 02:17 PM
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Wink Welding Hood Fume Circulation testing 1.2.3.

Ok, so the title. well, it's sort of a bet-uh-test-em to see how well the micro fans will circulate the hot air in my hood... with the three-digit temps we are having sweating in the hood sucks when welding and sweat get's in your eyes... and the hood is filling with smoke and fumes at times... trying this out to see if it will push a little of the fumes out and cool my sweating face some if it works a little relief is better than none.

Using velcro to attach the fans and battery switch box so no to mess up the hood any and going to solder in micro connectors for the ease of taking out or replacing fans or battery box and switch

Hell if this works I'm going to put fans in all my pockets and underwear around the important areas... JK...
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Old 08-10-2019, 03:19 PM
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Neat idea! Where did you get the fans?
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Old 08-10-2019, 05:29 PM
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Originally Posted by astronut View Post
Neat idea! Where did you get the fans?
Fans and battery pack all came from Am-az-on... fans were '5 for $10
So, I'll have 3 extras for replacements should one go bad.
It's not a lot of high-pressure air or anything like that just a small breeze in away.

But I'm still testing my son suggested porting the hood with a hole for another style fan for CNC machines that use 12v to 24v... these little fans are 9v to 24v
and am using 9v battery at the moment... It's more for keeping the hood from fogging up and deleting some of the smoke and fumes that get in the hood and see how it will help circulate air to cool a little in this heat.

I'll be trying the hood this evening for the use of air movement and smoke removal in the hood. not quite sure about how much smoke it will push out or might even suck it in or do nothing at all, just don't know yet.

And so it might just be a few bucks added to the wasted list of some of my hair-brained ideas... in the failed list
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Old 08-10-2019, 05:59 PM
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I think it is not a wasted try because if you did not try you would have not known the results in the first place! Please keep us posted on it!
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Old 08-10-2019, 06:13 PM
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I think it is not a wasted try because if you did not try you would have not known the results in the first place! Please keep us posted on it!
Will do.
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Old 08-10-2019, 06:26 PM
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Try putting the fans and batteries in a box, strapped to your back (on your pants belt)

Run a hose up to the helmet.
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Old 08-10-2019, 10:51 PM
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A thought for you. You may be get more longevity using a lipo battery like the one shown in the picture.

Also, a suggestion - attach the battery as close to the pivot point of the headgear as possible. This keeps the weight of the battery from affecting how easy the hood flips down and should be easier on your neck.

This particular battery provides the equivalent mAh of two 9v batteries.


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Old 08-11-2019, 12:06 AM
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Quote:
Originally Posted by JBFab View Post
A thought for you. You may be get more longevity using a lipo battery like the one shown in the picture.

Also, a suggestion - attach the battery as close to the pivot point of the headgear as possible. This keeps the weight of the battery from affecting how easy the hood flips down and should be easier on your neck.

This particular battery provides the equivalent mAh of two 9v batteries.


Attachment 151758

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Thanks, I was just looking around the fans work great. But the longevity of the 9v battery is only about an hour cheap Eveready battery so a better 9v would last just a tad bit longer but the battery you linked to would be much better and longer-lasting...

I also considered using one of those air mattresses battery pumps and doing as Digrdoug suggested and run a small flex hose to the back of the hood
If I can just keep my head a bit cooler in this heat I could take fewer breaks and get more done, within reason that is.

I might try that also since I have one of those pumps and it's not really heavy just need to convert the battery source to something better than D cell batteries and get some 1" blue flexible conduit or something similar...

either way, with the fans or airflow it's much better than the heat in the hood
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Old 08-11-2019, 08:24 AM
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Interesting concept, but the extra weight would be a negative for me, I purposely went with the Speedglas SL, their super lite wide view helmet. The helmet is less than 12ozs.
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Old 08-11-2019, 12:22 PM
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Quote:
Originally Posted by digger doug View Post
Run a hose up to the helmet.
And it would be easy to "T" off and run a hose down to your pants/shorts. If I'm going to air condition my body, I'm air conditioning it ALL!
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