Compression allowance for corner springs

A contractor from PA says:
March 28, 2023
Has anyone calculated the compression of a corner spring. I mean, how much will the corner spring compress before it goes to solid. I guess it might be more accurate to ask, how much should I allow for the spring when fabricating a new screen frame. For example; My measurement from extreme inside to inside track is 30 inches. What should the actual frame measure to allow for the corner spring. Hope that makes sense.
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Dave Sr. from SWISCO responded:
March 30, 2023

Hello,

These springs don't require much clearance in our experience. I would say no more than 1/8" play depending on the thickness of your screen frame. Also, take a look at the 70-030 spring. It's a little wider at 3/16", whereas the 70-193 is only 1/8" wide. Take a look at both and see which would work best for your application. Thanks for posting. 
Screen Corner Spring
Screen Corner Spring
70-030
$0.35
Slide-In Spring Clip
Slide-In Spring Clip
70-193
$0.28
SWISCO Screen Corner Spring [1080p]
SWISCO Screen Corner Spring [1080p]
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