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Spring Identification


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Is there a quick way to identify what type a spring is?

 

Part of a recent purchase, i was given a free spring however i have no what this spring actually is.

 

 

**Edit**

When i get my new M4, i'll stick it in the V2 gearbox and chrono with it. But I'm wondering if there is an easy way to check now.

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I jest of course.

 

Unfortunately there isn't an easy way to tell what power a spring is without putting it in a gun and chronoing it. That's why I always try and label any I take out of my guns with a bit of tape....

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What if it tastes of oil?

 

 

Great times then, is there a standard FPS i can expect from each of the M### series springs? Just for the identification when i Chrono this then.

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What if it tastes of oil?

 

 

Great times then, is there a standard FPS i can expect from each of the M### series springs? Just for the identification when i Chrono this then.

 

If it tastes of oil it's probably an M110. Or an M90 that's been dipped in oil. Tricky business see....

 

Generally springs do fall into a range denominated by the number in metres per second so an M100 should give a muzzle velocity around 100m/s (or 328FPS). BUT - there is a difference between manufacturers as ably demonstrated in this chart: http://www.airsoftcanada.com/SpringChart.php (note that that is from Airsoft Canada and doesn't include many of the brands that are easily purchased here).

 

Muzzle velocity is also HIGHLY dependant on a number of other factors (Cylinder volume to barrel volume ratio, quality of airseal etc) so the spring strength should only ever be a rough guide. I have personally had issues with M90 springs resulting in guns with 350+fps (when combined with double seal cylinder head, high quality piston head, o-ring airseal nozzle and a decent hop rubber).

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Thats good info to know, thanks for the heads up.

 

I will wait for the V2 and then test out all the springs on a chrono.

 

Cheers!

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