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Airsoft GI: Forums • vsr 10 spring deforming and angel custom cylinder kit
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vsr 10 spring deforming and angel custom cylinder kit

Posted: Thu Apr 25, 2013 5:21 pm
by airdud
Hey guys. For the longest time I was using asgi upgrades for my vsr. (More focusing on the cylinder unit I had the Bb spring guide m170 spring and their piston.) For awhile everything seemed normal, but every time I would open the gun up, the spring would be more and more de formed. I got a chrono recently and tried it out and saw that I was only getting 460fps with the m170! I knew it wasn't my compression or the spring deterrierating because the bolt pull was almost just as hard as it was when it was new. I was certain that it had to be the spring. I replaced it with an angel custom m170 (because its just a rebranded lay lax) and everything was back to normal. Then the problem came back. When I first got the spring it was shooting just under 680 fps (yes 680 ) and now its down to 520 (only after 2000 rounds!) And thing spring is all bent to **** again. I thought maybe the bearing were locking up on my spring guide. I found the angel custom Teflon bolt kit w/ all internals for 100 bucks so I picked it up. After a little bit of tuning I got the bolt to work with the asgI piston but the angel piston (also looks like a lay lax rebrand) keeps slam firing (anyone know how to fix that?). So now I'm using the original angel m170 (because I don't want to damage the one that came with the kit) the new spring guide (which is much smoother) and the original asgi piston.

Does anyone know what's going on?
P.s.: the internal dia. Of the as I piston is quite large, could this be giving the spring too much room to bend while being compressed?

Also for the angel piston, it doesn't wiggle in the Teflon cylinder its nice and uniform so I don't know why it keeps slam firing.

Thanks a lot guys!

Re: vsr 10 spring deforming and angel custom cylinder kit

Posted: Fri Apr 26, 2013 5:26 pm
by NorthernHurricane7
M170 and other highly rated springs tend to degrade relatively quickly. Some are better than others, but most of the time a high rated spring will lose its ability to retain potential energy quicker than springs of a lesser rating. There could be some issue causing your springs to degrade quicker than normal, but it is normal for highly rated springs to lose their power rather quickly when compared to how fast weaker springs degrade.

Re: vsr 10 spring deforming and angel custom cylinder kit

Posted: Fri Apr 26, 2013 7:58 pm
by airdud
I would think that it would take more than 2000 rounds to do that though, and there was no settle period every time I chronoed it would be lower and lower

Re: vsr 10 spring deforming and angel custom cylinder kit

Posted: Fri Apr 26, 2013 11:11 pm
by Jonas
The spring's breaking in, as all springs do. Hurricane was right, higher springs drop more fps than lower springs when they break in. Maybe it's a fixed percentage of the spring's potential energy that's lost over time, I don't know.

There's 9mm and 13mm springs/pistons/spring guides. 13mm is better. Sounds like you have a 9mm spring on a 9mm spring guide with a 13mm piston. The spring, spring guide, and piston should all be pretty tight against each other.

Re: vsr 10 spring deforming and angel custom cylinder kit

Posted: Sat Apr 27, 2013 10:40 am
by mvsrocks

Re: vsr 10 spring deforming and angel custom cylinder kit

Posted: Sat Apr 27, 2013 3:24 pm
by airdud
If the spring guide is the problem, it should be solved because I'm using and angel guide w/ and angel spring.
Speaking of the sears though, I would like to give a shout out to shs sears, 5000 round (**** phone) with and m170 and they are like new!