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March 7th, 2009, 02:10 | #1 |
Promethius spring is too long?
hey, got a quick question. I bought this spring " http://www.airsoftgi.com/product_inf...oducts_id=1683 " and i went to intall it in my gearbox (i have a v2 gearbox in an M4) but it's like 2 and a half inches longer than my stock spring in my KWA.
whats going on here, is this normal for a promethius spring? or is there a specific spring I need to buy? my goal FPS is 340-350. Any light you can shed would be much appreciated. thanks!
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March 7th, 2009, 02:13 | #2 |
Step 1: Spring compresses
Step 2: Spring expands Step 3: ??? Step 4: Yes It's normal Now if it's an inch and a half longer when fully compressed... you may run into problems. |
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March 7th, 2009, 02:31 | #3 |
Red Wine & Adderall
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Could it be possible that a stock KWA spring is just shorter? Do you happen to have springs of any other brands to compare?
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"Its only a little bit on fire" |
March 7th, 2009, 02:41 | #4 |
March 7th, 2009, 02:49 | #5 |
aka SNK or Shaniqua
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Impressive that they manage to get 380-410 FPS stock out of those stock KWA springs in addition to their insane ball bearing bushings.
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SHÖCK |
March 7th, 2009, 12:47 | #6 |
any shit crap linear spring will give you igh fps if its hard enough.
this short spring-short trigger response is interesting, I might try it on my gunz...
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March 7th, 2009, 14:20 | #7 |
Official ASC Bladesmith
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Get a Modify 90 spring from Jugglez (airsoftparts), it should sit you around your target area if you have a bearing spring guide.
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March 7th, 2009, 15:44 | #8 | |
Quote:
Whats wrong with a promy ms100? I hear good things about them. My goal is to improve my ROF and consitency, wile decreasing my FPS to 340-350. would the longer spring hurt my ROF more than increase it?
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Last edited by Azriel_Strife; March 7th, 2009 at 16:13.. |
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March 7th, 2009, 20:01 | #9 | |
Official ASC Bladesmith
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Quote:
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March 8th, 2009, 08:39 | #10 |
GBB Whisperer
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100 meters is equivalent to just under 330 feet. Your conversion is slightly off.
My findings with most M100 rated springs tend to agree with the proper conversion. http://www.airsoftcanada.com/SpringChart.php |
March 8th, 2009, 08:39 | #11 |
GBB Whisperer
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100 meters is equivalent to just under 330 feet. Your conversion is slightly off.
My findings with most M100 rated springs tend to agree with that conversion. http://www.airsoftcanada.com/SpringChart.php (Although, my results are still a bit higher.) |
March 8th, 2009, 12:02 | #12 |
Official ASC Bladesmith
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Been a while since I ran that out of my head yo uare correct, I should have thought better. I guess the Modify springs are over rated, I've gotten 330-340fps with the 90 and 360-370fps with the 100, in numerous AEGs. Guess I focus so much on the readings that I lost my basic 1m = ~3.30ft conversion.
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March 8th, 2009, 16:11 | #13 |
ok, so you'd all recommend a modify 90 over a promethius SP100? Even though the modify spring is also a JG/Echo1 Spring?
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Last edited by Azriel_Strife; March 8th, 2009 at 16:25.. |
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March 8th, 2009, 17:57 | #14 |
GBB Whisperer
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I still personally recommend Prometheus springs. But that's just my opinion.
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March 8th, 2009, 17:59 | #15 | |
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Prometheus performed more consistant and has irregular pitch in the middle of the spring as well(And another one at the end of the spring). This makes it easier for the motor to pull. You can check your KWA spring, it has a irregular pitch in the middle and the end as well. Modify only has a pitch at the end. Last edited by Skladfin; March 8th, 2009 at 18:04.. |
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