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Pressure washer in GGDT

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Pressure washer in GGDT

Unread postAuthor: fenrir » Fri Aug 23, 2013 9:29 am

Hi guys, I'm just wondering what I should plug in GGDT for a pressure washer. The model I have is a M407 MTM. It has a 3/8 inlet and 1/4 outlet (npt) and a gpm of 7.
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Unread postAuthor: jackssmirkingrevenge » Sat Aug 24, 2013 7:12 am

It's a bit hard to model because of the fact that you're opening the valve manually, so opening time is hard to estimate. Is this for a single shot launcher?
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Unread postAuthor: fenrir » Sat Aug 24, 2013 2:31 pm

Yes it is. I'm planning to somehow attach a 12 gram co2 cartridge to it and add a barrel. I got the idea from reading about your 9mm smg. Any suggestions?
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Unread postAuthor: tigerblues28 » Sat Aug 24, 2013 2:51 pm

Add a union and make up some burst discs. That's what I would do, and I'm still planning on it once I pick up a job.

Nick
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Unread postAuthor: jackssmirkingrevenge » Sun Aug 25, 2013 12:59 pm

fenrir wrote:Yes it is. I'm planning to somehow attach a 12 gram co2 cartridge to it and add a barrel. I got the idea from reading about your 9mm smg. Any suggestions?


You could get one of these: http://www.ebay.com/itm/New-Quick-Chang ... 48559b6fda

Which hooks up to one of these: http://www.ebay.com/itm/New-CO2-ASA-Ada ... 5af0975a24

then you have to find an adapter that has 1/8 NPT male on one end and whatever your pressure washer handle has on the other.
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