A Cracker locomotive

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sbwhart:
Looking good Arnold that tap looks very well done.

:clap: :clap: :clap: :clap: :clap:

Stew

Stilldrillin:
...... "I'm right chuffed with the result" ........ :D :D

So yer should be! What a good day's work. With a satisfying, accurate outcome. :)

Well done Arnold! I'm really enjoying this gently developing saga...... :clap: :clap: :thumbup:

David D

modeldozer:
Thanks for a very thourough expination on treadcutting and making a tap, it is filed for future refferance. :bow: :bow: :bow:

:beer:

Abraham

ozzie46:

Well done Arnold. Very nice write up also.
It seems I learn some thing new each time I check in. :D :D

Ron

arnoldb:
:beer: Many thanks Gents.

Today was a bit quiet in the shop... Not much to show as the bit I did was pretty straight forward lathe work.

I started off on the gas regulator body; it needed a couple of different holes drilled into it, with the very last one a very deep 1mm hole - here I have only about 4mm of the drill bit clamped up in the tailstock drill chuck, and the chuck was run in till the jaws very nearly touched the workpiece:

Then I started on the regulator needle; it's supposed to be made from 3mm rod, but I only had some 4mm stainless kicking around, so I turned it down in stages moving the work further out of the chuck between each stage. First the needle tip, then moved out and turned down and threaded M3:

After this photo, there were two more stages of turning down to 3mm to get the correct length.

Then I made the pack nut, and called it a day for today; just 2 hours in the shop, but I had some other things to do. The finished lot:

:beer:, Arnold

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