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Old 11-12-2006, 02:57 AM   #1 (permalink)
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Screw springs... I want magnets!

How hard would it be to replace the bolt spring with a pair of magnets? I figure it'd make the operation a wee bit smoother, as well as add something custom to my gun.

I could drill and adhere them pretty easily (actually, might not even have to adhere them seeing as though they repel), I figure, but I need to know where I could get magnets that'd work for this, how I would insulate them (so the entire body doesn't become charged), the tension needed, and how much space I would have (or the length of the spring coiled during a firing sequence).

Can anyone help me out? Thanks.
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Old 11-12-2006, 05:57 AM   #2 (permalink)
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http://www.rare-earth-magnets.com/Se...FRpcYQodmHLHCA

magnets that have some very strong pull...

the hard thing is to keep the rest of the marker un-charged... or else you'll have iron particles clogging the works every time you play.

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Old 11-12-2006, 10:07 AM   #3 (permalink)
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You are also talking about the same principle as a solenoid... of course then you need a battery.

E
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Old 11-12-2006, 10:38 AM   #4 (permalink)
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I don't think your going to have much luck.. Magnet's power decreases rapidly as soon as distance starts to increase.

However, to help move things foward. What kind of gun? Blowback, cocker, pump?

-MR
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Old 11-13-2006, 12:48 AM   #5 (permalink)
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This idea was destroyed over on AO. Pneumagger had some kooky math and, yeah... not so much in my favor... So much for a magnet return Automag.

Oh well. It was a neat idea. Thanks all.
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Old 11-13-2006, 12:24 PM   #6 (permalink)
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The way it can work is how the mQ works.

In simple terms, the mQ is a "magnetically" powered on/off valve. As mentioned above.

But there is not enough strength for a tiny solenoid to open and close a valve fast enough, so it works like a sprinkler-valve, and uses a floating poppet, so the solenoid basically opens a small valve, which then opens up the primary valve.


Anyway. The same tactic could likely be used on any gun.

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Old 11-14-2006, 02:31 AM   #7 (permalink)
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Of course, you can always keep the spring, and use an electromagnet instead of a sear to hold the bolt back, and then tie this in with a small solenoid pointing strait up under the on/off. That way, you can put the grip frame anywhere you want to.

Except for the electromagnet part, I thought this up for a winter electro bull pup AutoMag design (c:
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Old 11-14-2006, 03:09 AM   #8 (permalink)
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What if you used 3 magnets? Say for a blowback do this. One donut shaped magnet around the valve(so the pin protrudes) have the striker be steel. attach a magnet on the back of that and have a magnet on adjuster on the back. Have the magnet on the adjuster be set so it repels the one on the back of the striker, as the striker moves forward the the push from that becomes less as the pull from the magnet on the valve starts to draw the striker towards it. The sudden burst of co2 should rock it back into place after every shot just as it does now.

Just looked, they have cylinder and rod magnets you could possibly mod to fit in a striker, so if you make the valves polarity draw the striker and the adjuster push it there may be enough umph to make it work on an lp marker.

Product ID: NSN0556 rod magnet has 28 lbs of pull.....

Other iron/steel interference may still be an issue, but its solvable. I may have to do this just so I can say I have done this....
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Old 11-14-2006, 04:20 AM   #9 (permalink)
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you can try it, but I really dont think that magnets would have the strength to open a pressurized valve. It is really hard for me to believe that it would do that.
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