I tried to design a pneumatic valve recently (like Luke's T-Rex or Zap's cheater valve), mostly just to see if I could do it. The short answer is no, at least so far. I can't get the trigger rod pressure low enough to make it walkable. However, during the design phase I made an interesting mistake in the valve design that turned out to be promising. Basically, I accidentally made a pneumatic auto-response valve that fires on the pull and release of the trigger. Even better, I was able to design a special three-stage safety to go along with it. The safety has a full-stop for safe, a full open for auto-response, and a half-open for single shot.
This is the prototype.
Mark I.jpg
Now I'm wondering if there's a market for something like this if I can design the valve to be a drop-in mod for a common trigger frame, like the Intelliframe. The way I see it, this has two big advantages over the old auto-response frames. First of all, AR frames are hard to find (and expensive to buy when you do find one), so this would be more widely available. Secondly, as cool as AR frames are, they ALWAYS shoot twice. That's the whole reason I've never bought one. This frame gives you the option to shoot once, however, so it gives you more flexibility on the field. If you needed a tournament lock of some kind, I could even install a trigger stop that you could set to lock out the AR feature.
I think I could sell these for about $75 if you just want the valve. Then you would have to find your own LPR and do the install yourself. (I think you would only have to swap out the safety and drill a small hole in the back of your frame so you can reset the sear when the marker is degassed.) Or I could do full installs for $100 if you send me your frame. If there's enough interest, I'll go ahead and create another thread where people can place orders and get on a waiting list, so post up and let me know if this is something you want. (There would be no pre-order for this. I would only put some names on a list and start making valves. I would only collect money when yours was ready for shipping.)
This is the prototype.
Mark I.jpg
Now I'm wondering if there's a market for something like this if I can design the valve to be a drop-in mod for a common trigger frame, like the Intelliframe. The way I see it, this has two big advantages over the old auto-response frames. First of all, AR frames are hard to find (and expensive to buy when you do find one), so this would be more widely available. Secondly, as cool as AR frames are, they ALWAYS shoot twice. That's the whole reason I've never bought one. This frame gives you the option to shoot once, however, so it gives you more flexibility on the field. If you needed a tournament lock of some kind, I could even install a trigger stop that you could set to lock out the AR feature.
I think I could sell these for about $75 if you just want the valve. Then you would have to find your own LPR and do the install yourself. (I think you would only have to swap out the safety and drill a small hole in the back of your frame so you can reset the sear when the marker is degassed.) Or I could do full installs for $100 if you send me your frame. If there's enough interest, I'll go ahead and create another thread where people can place orders and get on a waiting list, so post up and let me know if this is something you want. (There would be no pre-order for this. I would only put some names on a list and start making valves. I would only collect money when yours was ready for shipping.)
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