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Brian, a consideration when shopping for a vacuum.... bigger is not better. Too much suction can suck your blast media out of the cabinet and sometimes even suck in the sides of the cyclone barrel. The goal here is to suck the dust only out of the cabinet which does not require a ton of...

Very interesting. Listing does not say but it sure does look like a hall sensor on that one set of leads. Crazy cheap if it works out.

My harbor freight cabinet has 2 openings. One on the side and another on the rear. The one on the rear is round and ties to a rectangular duct inside that is open at both the top and bottom of that duct. One is for the vacuum the other is a ambient fresh air supply.

Got a cheater lens inside your welding helmet? I would be in big trouble without one. Also, the quality of the helmet makes a huge difference too, helmets have come a long ways. Why steel piping? Most use 2 inch pvc.

That is the most common modification for holding the glass. Brian can always go to that later if his self tapping screws strip the holes out over time. All reports I found say that glass etches FAR slower than plexiglass, even with protector sheets. I will go with glass once my plexi gets...

Looks great ! Cranky guy? Wait till you have to reach in for those furthest mounting screws.

Plastic sheets made for the purpose are widely available.

That is really sweet ! I have followed a few of your engines now and your work is very impressive.

I plan on building the one with the wood baffle inside. The plans are on the net, even linked in your sandblaster thread as I recall. Reason? Reports say it works better than most 5 gallon commercial ones. Following to see if you build the same one.

Most use pvc piping for the vacuum/cyclone plumbing. Lexan is expensive, they come with just cheap plexiglass but many have used plain window glass saying it does not scratch up like plastic. My harbor freight blaster has glass on the outside of the cabinet and plexiglass on the inside...

How about a picture of the rubber molding in question? My harbor freight cabinet does not use a molding, yours appears to be a older model.

I have read reports how some that had problems with media returning to the bottom mounted a "vibrator" to the outside to the hopper.

I recently bought new gloves for my sandblast cabinet. I almost ordered one of the less expensive pairs but noticed they were the wrong size for the cabinet. I learned there are "sandblasting gloves" which are intended for non-cabinet use and there are "sandblast cabinet gloves" which are...

The Oneida Dust deputy is one of the cheapest and gets great reviews for use with sandblast cabinets.

It remains siphon feed with that modification. The media is still lifted from the bottom of the hopper to the gun with suction, no defying gravity involved, no pressure feed. What the metering valve modification does is mix air in the stream which prevents clogs and gives a better...

I am wondering if you could pull it off on the lathe using a form tool and a threading operation? Probably another of my crazy ideas.

Everything he does blows me away !

Fantastic ! A couple questions, what is the fuel? What do you use for head gasket material?

No problem. Try it sometimes that is the best way to learn what works or not.

Have you tried your powder setup yet to see what you are dealing with? A booth like you describe will divert the majority of the powder due to its gentle nature and cause far more harm than good. The static charge attracts the powder to the part so there is little "overspray". It is...