how to measure recoil spring weight

IPSC · 01-04-2015, 01:23 PM

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

.

JohnnyT · 01-16-2015, 12:51 PM

The function of the "recoil" spring is to return the slide to battery. Whatever else it does is incidental.

http://pistolsmith.com/workshop/25787-1911-video.html

valhala65 · 09-25-2017, 06:25 PM

Quote:

Originally Posted by ProtoType

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?
ProtoType

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). .

Sent from my E6782 using Tapatalk

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01-04-2015, 01:23 PM	#11
IPSC Member 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 .

01-16-2015, 12:51 PM	#12
JohnnyT 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. http://pistolsmith.com/workshop/25787-1911-video.html