M14 Posted July 13, 2007 Report Share Posted July 13, 2007 Ive decided that with the money I get from selling my Hudson M3A1 Grease Gun, I am going to internally upgrade my Classic Army M15A1. I already externally upgraded it with a G&P VN Body, G&P VN Stock, RS M16A1 Handguard and other things and am 100% happy with it externally but want it to perform better. Right now I only installed a M120 spring in it. Anyway I was looking at the Guarder SP150 Infinite Torque-Up Kit but I have a few questions. First, about how much FPS does a M150 spring make? Also the kit would go in a stock CA gearbox and I would buy a Systema turbo motor and use a 9.6v battery. And my last question is, is there any way to lower the ROF on the M16? I hate fast firing gun, I find they just waste ammo. With this kit, a 6.04 or 6.03 inner barrel, systema turbo motor and a 9.6v battery make the gun a lot better? Link to post Share on other sites
CapaciousZepher Posted July 13, 2007 Report Share Posted July 13, 2007 If it can still pull the spring, switching to a lower voltage battery will lower the rate of fire (going from a 8.4v to a 7.2v etc.). Doing the conversion from MPS to FPS the SP150 should give you 492.1FPS. Cheers! - CapaciousZepher Link to post Share on other sites
AGuy Posted July 13, 2007 Report Share Posted July 13, 2007 just a quick tip, if you didnt know, arnies has this fps-spring guide thing: http://www.arniesairsoft.co.uk/?filnavn=/a...pring_guide.htm Link to post Share on other sites
SlvrDragon50 Posted July 13, 2007 Report Share Posted July 13, 2007 Get a weaker battery.. I think an 9.6v is the lowest you can go on a SP150.. Why cant you use semi though? Link to post Share on other sites
M14 Posted July 13, 2007 Author Report Share Posted July 13, 2007 Would this motor work well with a SP150 spring? http://www.redwolfairsoft.com/redwolf/airs...il?prodID=20754 Link to post Share on other sites
crunkathon2k Posted July 13, 2007 Report Share Posted July 13, 2007 First off, why would you EVER want a gun to shoot at 500 fps? The only thing it would dramatically increase is unreliability. As long as guns shoot over 300 fps, they will be more or less the same in performance. If you want a performance boost, try a one piece hop up system, a tightbore barrel, and experiment with buckings. Link to post Share on other sites
M14 Posted July 13, 2007 Author Report Share Posted July 13, 2007 Ive been thinking about it and think your right. 500fps will do more harm than good. Anyway how does this upgrade plan sound. Prometheus 6.03 EG Barrel 509mm Systema Complete Mechabox (Gearbox) Turbo Set And I would put a M120 or M130 spring in the Systema gearbox. Link to post Share on other sites
1cem4n Posted July 13, 2007 Report Share Posted July 13, 2007 you would break the motor. that is a turbo motor, meant for a High ROF as opposed to the magnum motor. i would recommend just using the inner barrel and maybe upgrading the spring and bushings. Link to post Share on other sites
Jay L.Macrae Posted July 13, 2007 Report Share Posted July 13, 2007 I have the Systema M120 Mechabox set and although it is great - I wouldn't suggest it for you, unless you just want to spend off exess money. So instead I'd suggest you keep your CA gearbox and the internals because they're direct copies of the systema parts anyway... and quite good ones. Now as for the upgrade... If you really want to try out one of these new Systema motors then go for the Magnum and the M120 to M140 (max) or similar springs. The result is that you increase FPS according to the spring, but keep your ROF... which if you want to lower - just use a weaker battery BTW according to the charicaristics of the topic it should be in the Technical Discussions subforum, but I wouldn't dare asking any of the moderators to move this topic there because we are actually violating the 328fps forum speed limit here. Link to post Share on other sites
Bangla_Black Posted July 13, 2007 Report Share Posted July 13, 2007 I think 500fps is way above the limits here... Link to post Share on other sites
Pablo Posted July 13, 2007 Report Share Posted July 13, 2007 Site limit is 328fps, you cannot discuss any fps upgrades above that on here. Link to post Share on other sites
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