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QEV settings 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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QEV settings in GGDT?

Unread postAuthor: whoa044 » Thu Jun 27, 2013 2:32 am

What should be entered for the settings for valve data in GGDT with a QEV like this one?
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Unread postAuthor: grumpyoldman » Thu Jun 27, 2013 12:35 pm

3/4" QEV

Seat Diameter: 1.25 in
Dead Volume: 1.178 in^3
Piston Diameter: 1.75 in
Piston Mass: 8.3 grams
Pilot Volume: .98 in^3

I found that somewhere on the forum. If it's not correct, I'm sure someone will come along and correct me.

Grainger is generally more expensive than other places. Do a Google search and you'll find the same product at a better price.

Here's one on ebay that is $10 cheaper: http://www.ebay.com/itm/ALPHA-82650-12-Exhaust-Valve-FNPT-Pipe-Size-3-4-/321097721558
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Unread postAuthor: whoa044 » Thu Jun 27, 2013 7:37 pm

Thank you!
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