Nozzle to Hop Up Seal

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link236
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Re: Nozzle to Hop Up Seal

Postby link236 » Fri Feb 15, 2013 6:22 pm

tylerflow wrote:Huh, I just discovered something really interesting. You attach the stock with a screw that runs all the way to the gearbox so it locks in with the spring guide. Well I found out that the more I tighten the screw, the more I lose air seal. I guess maybe it's pushing the gearbox forward? I still have a perfect air seal, but I just have to keep the stock loose enough. :?

If anything, that'd pull the gearbox itself back. It might be pushing the piston and stuff forward a smidge.
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Re: Nozzle to Hop Up Seal

Postby NorthernHurricane7 » Fri Feb 15, 2013 7:25 pm

Makes sense; the stock screw pulls the GB toward and buffer tube together at the buffer hole. The farther back the GB shell, the worse the seal in the separate hop up unit. I'm relatively sure at this point that the nozzle/bucking seal is picky about their distance.
Last edited by NorthernHurricane7 on Sat Feb 16, 2013 9:59 am, edited 1 time in total.
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Re: Nozzle to Hop Up Seal

Postby tylerflow » Fri Feb 15, 2013 9:53 pm

I think this means I have the very first AEG "NPAS" kit...
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Re: Nozzle to Hop Up Seal

Postby NorthernHurricane7 » Sat Feb 16, 2013 10:00 am

There was that variable compression piston/piston head you can get, but that was kind of a fail from what I heard because of the way you had to adjust it and just the overall way it operated.
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Re: Nozzle to Hop Up Seal

Postby tylerflow » Sat Feb 16, 2013 7:31 pm

Well I also learned this kinda sucks because it wobbles around with the screw loosed enough. I've tried a bunch of ways to try and remedy it but now it seems the only way to do it is to permanently attach the stock to the body with glue or something...
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Re: Nozzle to Hop Up Seal

Postby SnakeAssault » Sat Feb 16, 2013 7:59 pm

I'm sorry if this is worthless device, because I really don't know anything about AR style guns, but...
Could you possibly shim between the gearbox and lower receiver, with some U shaped plastic, and then tighten the screw up?
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Re: Nozzle to Hop Up Seal

Postby timbuktoo » Sun Feb 17, 2013 2:17 pm

SnakeAssault wrote:I'm sorry if this is worthless device, because I really don't know anything about AR style guns, but...
Could you possibly shim between the gearbox and lower receiver, with some U shaped plastic, and then tighten the screw up?

i was thinking the same thing, maybe a washer or something, but I have no idea whether there is space for something like that to fit or not.
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Re: Nozzle to Hop Up Seal

Postby tsabiston » Sun Jan 04, 2015 5:50 pm

Disassemble your gun gearbox and all. Reassemble gearbox with tappet plate cylinder head air nozzle spring sector gear.now install in lower receiver.install upper receiver with hop up and barrel. Blow into the inner barrel of your gun while plugging the cylinder head with your fingers. I have found before that some types of plates have too much meat at the sector gear interface and always riDe against the sector gear shaft never letting your Tappet plate move all the way forward keeping your air nozzle from fully engaging the bucking. Super shooter gears are notorious for this. Hope this helps. You can also file down the sector gear bushing for the tappet plate. This moves your tappet plate forward a little bit. I wouldnt recommend spacing your hop up off the gear box.

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