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Old 01-04-2017, 05:51 PM
Protocall_Design Protocall_Design is online now
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When using a Power Rib mainspring where the original strain screw is too short, you can make it go in deeper by chucking the screw in a drill motor or drill press and file some off the bottom of the screw head while it is spinning. This effectively makes the screw you have longer because it will go in further and bend the mainspring more.
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