Quote Originally Posted by Simon Barden View Post
Probably making the angle about 88°, just slightly acute. Looking at the spring picture, I may have also tried to make the bend less rounded. I can remember putting the ends in a metal vice and hitting the wire with a hammer to get the bend sharper. That curve in the wire wants to pull the spring out of the block slightly. I may also have tried to put a kink in the wire where it left the top of the block so it then angled down at the same angle the main body of the spring made to the block. Slightly less leverage trying to pull the spring out.

The metal bar sits over the top of where the springs go in, to hold them in place. Like this:

Click image for larger version. 

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Hi Simon,
what is the barrel bolt for?