WTF is Up With Argon?

pontiac428 said:
Seems familiar somehow...
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Of course I had to make my own version for the kids.
With disposable water bottles as the rockets.
For groups and friends we used a manual bicycle pump, at home we used the shop compressor, at nearly reasonably limits......
Amazing how much pressure you can put in one.
Great wet fun for a hot summer day.

I always thought that a 3D-printed screw-on fin arrangement would be perfect, but never spent the time.
Perhaps they are already available online.

Brian
 
brino said:
I always thought that a 3D-printed screw-on fin arrangement would be perfect, but never spent the time.
Perhaps they are already available online.

Brian
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Troops in Ukraine are doing something very similar right now....they 3D print stabilizing fins that thread onto very old, obsolete Russian anti-tank grenades and then use drones to drop them. I guess that's the high-tech, low-tech, high-tech solution!
 
I do well in my gas suppler, but another thing that has skyrocketed are consumables. Manufacturers know they got you by the ones. I am a loyal Lincoln guy but I should have gone to another brand for the plasma cutter. The Pro-Cut 55 consumables are very expensive. When I see them on eBay I jump on them.
 
G-ManBart said:
Troops in Ukraine are doing something very similar right now....they 3D print stabilizing fins that thread onto very old, obsolete Russian anti-tank grenades and then use drones to drop them. I guess that's the high-tech, low-tech, high-tech solution!
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That explains what I've been seeing in those drone videos. I was wondering.
 
Mythbusters did a broken valve episode.
Pierre
 
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I made the mistake of asking AirGas for another small bottle for my mig welder thinking they would just charge me for the gas. Then I get the invoice for rental.....over a dollar a day for it to sit there just in case I run out!!!! I'd be money ahead to blow my concrete with it and take the bottle back!!
 
mcmanus2301 said:
I made the mistake of asking AirGas for another small bottle for my mig welder thinking they would just charge me for the gas. Then I get the invoice for rental.....over a dollar a day for it to sit there just in case I run out!!!! I'd be money ahead to blow my concrete with it and take the bottle back!!
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Renting bottles is one of those things you only fall for once. It's a real money-maker, kind of like extended warranties.
 
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