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Custom Projects / Custom Questions How do I customize? What do I customize? What do I use? Share you experiences and faults here!

View Poll Results: Pick your priority for the gun
Efficiency 74 48.37%
Recoil 15 9.80%
Weight 26 16.99%
Size 28 18.30%
ROF 12 7.84%
Completely unique 80 52.29%
Retrofit 14 9.15%
Multiple Choice Poll. Voters: 153. You may not vote on this poll

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Old 04-12-2010, 02:20 PM   #11 (permalink)
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The spyder body is a great idea. mostly cuz i have one sitten here... feednecks are strong too. cobble some timmy guts into one...lol spimmy time.
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Old 04-12-2010, 02:26 PM   #12 (permalink)
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Honestly this is what I think for the project:
Affordability: Unlike others, I do not have 600 dollars to spend.
Pump: I think this is unanamous, everyone I know loves to play pump.

What about just a mcarterbrown version cocker, you know with anno's and grips and yatta yatta
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Old 04-12-2010, 02:31 PM   #13 (permalink)
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For aluminum, I do like the 6061-T6, but I've never had to machine it on a schedule. Aluminum needs ano though (call it a feature). If it makes sense anywhere, use brass where you need it.

Cocker threads sound good, even on the feed neck.

Don't let the foregrip/ASA be a constraint; it just needs to follow what you need in the body and the air system.

Maybe I missed it - HPA, CO2, or both?

We will need a blue ano and a red ano, both with Hawaiian print laser etching.
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Old 04-12-2010, 03:21 PM   #14 (permalink)
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Almost any design can run CO2 as long as you use an antisiphon or remote, so that most likely won't be too much of a concern. But it is definitely something to keep in the back of our minds the further along things go that it is probably best to avoid designs that mechanically will not like CO2 (most that don't like it rely on a restrictive orifice or slam charging of a dump chamber that can result in both phase change and pressure spikes in the gun).

It was mentioned in the original thread to avoid a pump build, as there are several people here already working on small run and custom pumps and we don't want to step on their toes. That, and half of the people here will figure out a way to pump whatever else we come up with anyways.

Efficient and completely unique seem to have an early lead.
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Old 04-12-2010, 03:31 PM   #15 (permalink)
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Maybe then keeping easy pump modification in the back of your minds as this is designed wouldn't be a bad idea.

That could be another arguement for building it off old cocker bodies.
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Stock class = 12grams and a stick feed. End discussion.
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Old 04-12-2010, 03:34 PM   #16 (permalink)
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Ease of conversion to pump is definitely something worth keeping in mind.
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Old 04-12-2010, 04:09 PM   #17 (permalink)
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yeah, even if the marker doesn't have an option for pump out-of-the-box, designing the marker to be compatible with an optional pump kit accessory(could be designed and sold with marker for an "upgrade price") would EXPONENTIALLY increase sales.

Hell, if it shipped with a pump kit in the box, I'd buy two, and my buddies would get 2-3 more at least.
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Old 04-12-2010, 04:11 PM   #18 (permalink)
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ooo a crossover, if you wanna play pump, change out the lpr with a pump handle modded one and pow. goes from a semi to a pump..... i think thats an industry first.. it would be more complicated than that but this is just an idea.
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Old 04-12-2010, 04:25 PM   #19 (permalink)
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I would honestly, make something that uses cocker frames, as those tend to have ALOT of options. However, a lighter frame wouldn't be a bad idea either.
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Old 04-12-2010, 04:41 PM   #20 (permalink)
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A long while back I came up with a marker action that had a single moving part, not unlike a spool valve. Totally mechanical, and intended to run off of a high pressure unregulated source (i.e., CO2 or HPA). There is no possible way for it to be converted to a pump action however.

Had some hand drawn schematics for it a while back I did during my first drafting courses. By the time we had moved on to CAD models I'd kind of left the project behind. I've since dropped out of school but I'm in the process of reapplying. I'm wishing I'd made better use of the student NX seats and my shop certification while I was still there.

No idea if the design would even work. Even if I sat down and did the fluid dynamics model of it, only a prototype would really make any difference.
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