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Old 01-04-2015, 01:23 PM   #11
Join Date: Feb 2012
Location: Orchard Park, New York
Posts: 33
Coming in very late on this topic....but this may be of interest for people trying to find out true "Spring rate" of various types and sizes of coil springs--->

Here is a website showing the software to calculate "Spring Rate" and forces at various compressed-spring lengths . It is from a racing car site, but the coil springs used still follow the same formula for strength...just that our guns use much smaller springs.

Coil Spring Rate Calculations by Wallace Racing

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Old 01-16-2015, 12:51 PM   #12
Senior Member
Join Date: Apr 2010
Location: North Carolina
Posts: 724
The function of the "recoil" spring is to return the slide to battery. Whatever else it does is incidental.

Old 09-25-2017, 06:25 PM   #13
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Join Date: Sep 2017
Location: US
Posts: 4
Originally Posted by ProtoType View Post
Thanks DJMJR,
I think that's my best bet, stick with the strongest reliable spring.
In prep for the next season of PPC, I'm going to replace the hammer spring, and firing pin spring with factory rec. weights. Then start at 16# recoil spring (which may work reliably, and I'm set), then work down to reliable operation.
Two more questions, can you tell us the market name of the top grade silicone from your company?
And what's your feelings/opinion on shock buffers?
I guess it's possible for Any spring to lose it's "energy memory" but unless i have ftf, fte issues I don't worry about it. Some new pistols have stiffer springs for nato rounds is what i heard. Bullet grains blast energy in relation/opposing spring energy in cycling effectly... If that makes sense (an equal & opposing reaction thingamajiggy). .

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