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Ultimate DIY foam cannon

the MfM

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First trial run
:)
8486A3C9-89C7-4BE9-A610-8FA39A38733D.jpeg
 
Last edited:

anmut

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That's foamy AF! Build thread?
 

Julian

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the MfM

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No build pics... just threw it together out of a harbor freight sand blaster that never really worked right. I rearranged the fittings so it siphons the water/soap mixture out of the bottom of the tank. I can adjust the ball valves to adjust air pressure and water flow to fine tune the foam. (I can also adjust the pressure in the tank)

EC35C92A-ADC5-431A-9669-DB6049CC1E9A.jpegF6145CB7-56EB-4F4B-99C4-36949D73B8AF.jpeg
 
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the MfM

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Inside the pvc pipe I stuffed some scraps of cedar breather I had laying around. I plan to pick up some steel wool to try as well. Going to also adjust the size of the outlet on the pipe to see if that makes a difference... Ran out of time for now but it works quite well as is. The foam was coming out a shaving cream texture.

A29977C8-FB5F-4DB0-9539-7434AEF838DC.jpeg
 

the MfM

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Steel wool? Umm, they rust fast... Try this..


Stainless Steel Standard Weight Scouring Pads - 12/Pack
Pot scrubbers would work but I’m not sure they’d be any better then what I have. Going to try stainless steel wool under the assumption the tighter the packing the better the foam.
Middle of a pandemic seems like a weird time to get into foam parties but you’re off to a good start! ;)

View attachment 136544
If I use the foam as a Lysol dispersant maybe I could exceed the six person thanksgiving gathering limit?
 

the MfM

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Picked up some synthetic steel wool. Seems to be working better.
4E8AA426-D822-4504-BF6E-CD63B837F4F9.jpeg
 

Julian

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