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Old 12-17-2014, 06:38 PM
longyard longyard is offline
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Default Portable Blaster-Vacuum?

I've got to do some blasting IN my shop on some inner sills-rockers. I've considered putting a tent over the car, but wondered if anyone has had experience with these all-in-one media blaster/vacuum units. It looks like they are just a sandblaster stuck into the end of a vacuum brush head.

If you have experience, can you comment on effectiveness, dust capture, and worthwhile brand?
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Old 12-17-2014, 07:19 PM
weldtoride weldtoride is offline
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Bill, if these are what you are talking about, I have used similar ones for years, they are great.

http://www.amazon.com/Spot-Shot-Air-.../dp/B000I8W7XW

The above image was easy to grab, mine is a bit different. It is the Spot Shot branded one, albeit from many years ago.

Mine blasts an area about as large as a quarter ($.25) in a few seconds. Very little dust escapes. Various rubber tips let you get into corners, you can make custom tips from odd radiator hose cut-offs as well.
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Last edited by weldtoride; 12-17-2014 at 07:48 PM.
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Old 12-17-2014, 08:07 PM
longyard longyard is offline
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Thanks Mark, but what I'm looking at is something that is a sandblaster and vacuum all in one unit. They are for larger areas. They've got an airline hose, as well as a vacuum hose attached.
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Old 12-18-2014, 01:53 AM
Richard Lennard Richard Lennard is offline
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As you are well aware, the stuff will get everywhere, given half a chance.
My solution has been a separate tent / gazebo type thing.
I use it inside or outside, dependent on size being blasted.
http://www.ebay.co.uk/itm/Car-Shelte...item3f3a4c04ca
Mine has a flap all around the bottom which pretty much seals. Flap is used outside for sand bags to stop it all blowing away!
Dont point the blast gun at it directly, I think it would probably go right through.
Outside, I leave the door open and blast inwards, if that makes sense.
Inside is for smaller bits, so less intense.
The smaller gazebos are just as suitable for small jobs and are a lot cheaper.
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Old 12-18-2014, 08:57 AM
longyard longyard is offline
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Richard,

Great minds think alike! Yes, I've been considering getting one of those, not to use for sand blasting, but rather as a temporary paint booth inside my shop. Using it as a blasting booth is also a good idea.

When I get one I'll get the type with white walls, and plastic windows, so I'll have more light inside, especially for when I paint. I've got a 10 foot high ceiling, so it should be no problem setting it up inside.
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Old 12-18-2014, 09:58 AM
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Joe Hartson Joe Hartson is offline
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Bill, Snapon sells several different types, maybe you could contact them and ask for a demonstration. Google Snapon sand blasters and see what they have to offer. Just a suggestion.
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Old 12-18-2014, 11:57 AM
longyard longyard is offline
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Thanks Joe. I looked at the Snap-On blasters, one is too small, and one is too expensive! I need something in between. I guess my main question though is if these things really work.
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Old 12-18-2014, 02:28 PM
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BILL i have one of those units it still only suitable for small areas and often the vac nozzle get in the way when trying to attack small areas, and yes GET the tent because your shop will be full of dust for ever doesnt matter how many times you clean it, blow it out the stuff still gets every where better still if you have the room get a shipping container to use as your blast shed or even better still send it out for blasting :-)

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Old 12-18-2014, 04:59 PM
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Bill,
I had one (Wagner was the brand) and I sold it. It was a siphon style of blaster. Te vacuum was the best shop vac I ever owned but the blaster was as bad as any Harbor unit could have been. Plus just plain clumsy. Use the tent, your money is spend on one item to do 2 jobs.

Tom
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Old 12-18-2014, 04:59 PM
Maxakarudy Maxakarudy is offline
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Bill, I have own blasting equipment, the tent idea is a good way of containing the blast media, I'd still do it outside.
I'd choose a quiet day when there isn't anybody about, if possible.
However, I still only do small items and do them carefully at as low a pressure as possible, this takes a long time, a wing/fender could take me 30-40 mins, maybe longer with underseal on the inside, so imagine how long a shell will take.
So even for me, I would send the shell out for blasting, but I would only get the underneath, engine bay, boot/trunk floors and inside floors done, no fenders, trunk lid, hood/bonnet or roof, as the chances are they will ruin them.
I understand soda blasting is less aggressive, but it's more expensive and safer, maybe this is your best option.
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