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mark poulson

homemade twistlock centering pin

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I have made centering pin corkscrews using just a straight fly tying bobbin fitted with a roll pin.   The roll pin is fitted over the bobbin tube and extends out about 1/8".   Insert your wire and start twisting, simple .... the bobbin provides a convenient handle to turn.  

No tooling necessary, I can crank out corkscrews in about a minute.

Screen Shot 2017-10-15 at 5.19.30 PM.png

I have found 2 different diameters of fly bobbins - midge and regular, so I can make 2 sizes of corkscrews.

Edited by jcool3
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4 hours ago, jcool3 said:

I have made centering pin corkscrews using just a straight fly tying bobbin fitted with a roll pin.   The roll pin is fitted over the bobbin tube and extends out about 1/8".   Insert your wire and start twisting, simple .... the bobbin provides a convenient handle to turn.  

No tooling necessary, I can crank out corkscrews in about a minute.

Screen Shot 2017-10-15 at 5.19.30 PM.png

I have found 2 different diameters of fly bobbins - midge and regular, so I can make 2 sizes of corkscrews.

That's a great idea!

Which wire do you use?

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9 hours ago, mark poulson said:

That's a great idea!

Which wire do you use?

I use sevenstrand magnum single strand stainless steel wire   from .022" to .024, depending on size of soft plastic.

Usually .022 will work for most.

My setup

You can pull on corkscrewed wire to adjust spacing .  Also I trim end at an angle to get sharp point for easy penetration.

 

corkscrewweb.jpg

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