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Potty Popcorn Engine
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sbwhart:
Finished off most of the fittings for the manifold.

To make the body for the whistle valve just square up a chunk of brass and put a small centre where the coupling will be turned.



Then using the good old wobble bar get it on centre in the four jaw chuck

Turn and thread 1/4*40 and drill through 2mm and part off

Over onto the mill and mill a 3/16 slot across it.



Drill a 1mm hole for the lever pin



The lever is made from some 3/16 square mild steel bar, so in the self centering four jaw with the compound slewed over a couple of degrees turn up a nice shaped handle, and part off.



Drill a 1mm hole for the pivot pin.

Next bit the valve spindle, from a bit of 8mm dia stainless, centre drill and with a running centre turn and thread.



Flip it round and turn and thread the other end again using a running centre, to turn the cone I used a small fixed steady that I made some time ago it just clamps on the running centre.



These are the bits



and assembled



Cheers
 :beer:

Stew



doubleboost:
Hi
Stew
Some nice detail work
I like that steady
Bernd:
I like that little steady rest too. Nice idea.  :thumbup: I'll have to copy it, if it's ok by you Stew?

And very nice work on those little detail items. I need to learn patients to do that.  :med:

Bernd
saw:
Nice build, I just love your'e small fixed steady  :thumbup: :clap: :clap:
arnoldb:
Great going Stew  :clap: :clap: - lovely work on the detail  :thumbup:.

 :D I love that steady too - so simple!

 :beer:, Arnold
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