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» Drilling out the trigger grove?
by stuckinthemud1 Thu Oct 17, 2019 7:41 am

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    Drilling out the trigger grove?

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    fester
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    Drilling out the trigger grove? Empty Drilling out the trigger grove?

    Post by fester on Thu Oct 17, 2019 12:38 am

    So I've ruined one tiller already by drilling out at an angle free hand with a cordless drill. Any advice welcome on this please. Do I start from the nut socket and drill out??
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    Post by kenh on Thu Oct 17, 2019 5:08 am

    It's the "freehand" that's the problem...
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    Post by stuckinthemud1 on Thu Oct 17, 2019 5:33 am

    I use a t-drive hand auger, easily as fast as a power drill.  Nice thing is the long thread on the auger is easy to spot when you go too far into the cut. I over-drilled fractionally, just patched the break-through with a little glue and sawdust. Your tiller is very unlikely to be ruined, just glue a plug into the hole you drilled.  I had to start from the tickler side as I carved the nut socket directly into the tiller, but, if I were inserting a nut-block, I would drill from both ends and meet in the middle
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    Post by kenh on Thu Oct 17, 2019 7:00 am

    That was my second thought -- a longer bit driven slower is easier to keep on track.
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    Post by stuckinthemud1 on Thu Oct 17, 2019 7:41 am

    Also, I started the groove with a 1/4 inch chisel to cut out the triangular pocket the vertical part of the tickler fits in, the  auger bit sits in that pocket which keeps everything neatly lined up, the auger  mostly just wastes out the passage the nose of the tickler sits in.  Small dog-leg palm gouges can be a big help in tidying everything up and in cutting from the nut-socket down into the tiller.  The longer the nose of the tickler, the more difficult the cutting is.  It took several hours of tedious mining to get it all to fit.  Many makers just route out the slot, glue in a filler piece and hide it all beneath a decorative inlay.

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