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Old May 20th, 2010, 22:31   #1
Conflicts6
 
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PDI Spring?

Hey all,

Just got my PDI spring today in the mail. It is a PDI 190% spring. On the website, it looked like this: http://shop.ehobbyasia.com/pdi-190-u...ude-psg-1.html

Mine looks like this (pic bellow).

It seems like mine is linear, and the one in the product picture is non-linear. Will I get the same consistency from a linear spring? What would be better a non-linear or linear?

(sorry for the bad picture quality, shit camera)
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Old May 20th, 2010, 22:36   #2
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PDI springs are shitty, dunno what to tell you
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Old May 20th, 2010, 22:49   #3
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I am running PDI springs and so are a bunch of other people that play with me, they all are constistant and pretty much hit the same fps between guns *other things of course come into play*

One question though, why such a heavy spring, 190% is gonna fricking hurt. the 150% puts out 390fps on .20g

btw the spring should become more like the picture when compressed. when you put it into the mech box take note, it should do that...
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Old May 20th, 2010, 23:09   #4
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from what I've seen, multiple PDI springs of the same rating have been made in different lengths and giving different FPS
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Old May 21st, 2010, 07:58   #5
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Okay, thanks. I got a big spring because i was running a m125 before. My m125 got all warped and shit.
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Old May 21st, 2010, 08:12   #6
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Originally Posted by Conflicts6 View Post
Okay, thanks. I got a big spring because i was running a m125 before. My m125 got all warped and shit.
So having a spring get mangled (which rarely happens when insufficient pressures are applied, mostly the latter) you decide to increase the pressures involved? What happened to you being a minor that reads and learns?
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Old May 21st, 2010, 08:26   #7
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So having a spring get mangled (which rarely happens when insufficient pressures are applied, mostly the latter) you decide to increase the pressures involved? What happened to you being a minor that reads and learns?
...my old spring was an element m125. It was rated at 430 fps. The PDI 190% spring is rated at 380-410 fps after the break in period. Or that is what it should be.
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Old May 21st, 2010, 09:44   #8
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Originally Posted by Conflicts6 View Post
...my old spring was an element m125. It was rated at 430 fps. The PDI 190% spring is rated at 380-410 fps after the break in period. Or that is what it should be.
euh... thats not really logic.... 190% means 90% more power then the original spring of the TM m4.... and that means it would shoot over around 450fps.... not 380fps
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Old May 21st, 2010, 10:39   #9
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Originally Posted by Gunny_McSmith View Post
euh... thats not really logic.... 190% means 90% more power then the original spring of the TM m4.... and that means it would shoot over around 450fps.... not 380fps
Actually 190% of 280fps is 532fps....

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Old May 21st, 2010, 10:46   #10
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I've had a few PDI 150% springs in my hands over the years, the first was 350fps in my MP5, others went all the way up to 425fps. Different lengths (I was the one that sorted that out) and materials, as in thinner brownish wire on the 350fps one at 6 3/8" long, and thicker black wire up to 7" long for another. The rest fell in between the two.
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Old May 21st, 2010, 10:54   #11
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Stalker, Dude.... you have way to much time invested in this sport. LOL
Great "tib bit" of info on the springs.

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Old May 21st, 2010, 10:58   #12
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Stalker, Dude.... you have way to much time invested in this sport. LOL
Great "tib bit" of info on the springs.

SHA DO
Yup, it all added to my burn out. Lol, but ya, I wanted to know why they were so inconsistant and held side by side, noticed the differences right then and there. Since then I've tried to turn people off PDI springs to save them money and frustration.
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Old May 21st, 2010, 11:20   #13
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Quote:
Originally Posted by CDN_Stalker View Post
I've had a few PDI 150% springs in my hands over the years, the first was 350fps in my MP5, others went all the way up to 425fps. Different lengths (I was the one that sorted that out) and materials, as in thinner brownish wire on the 350fps one at 6 3/8" long, and thicker black wire up to 7" long for another. The rest fell in between the two.
Quoted for truth.

PDI 190 is advertised on Ehobby as putting out a max FPS of 410? I don't think so.

Like Stalker said the 150% that is shorter and brownish was putting out 350-360 FPS and the black I've chronied at around 415 FPS.

There is nothing wrong with PDI springs, they last and are consistant, you just take a gamble on what you will get in the PDI package.

I still think a 190% spring will be give you an insanely high FPS
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Old May 21st, 2010, 11:33   #14
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Thanks for the back up info Deeds. I will say I've found 170% springs to be softer, easier to install in mechboxes, and the experiences I had with Apoc's guns (M16 types) he'd get around 390fps with that spring.
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Old May 21st, 2010, 14:46   #15
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Thanks for all of the info everyone! Didnt know this.... Can i Just clip a bit of the spring off?
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