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saw:
Thanks for explaning the car polish I will use it on my new project. :D
Very nice flyweel. :clap:

DaveH:
ooow 360 divided by 7 mmmm thats tricky :)
I would need my slide rule for that
looks good though :thumbup:

DaveH

arnoldb:
Thanks Benni :beer:

Cheers Dave ! :lol: Maybe I should have used logarithmic spacing to throw off he slide rule a bit...

The last bits are always the hardest - and time consuming!

I gave the cylinder block the once-over with the set of M2 taps - which fortunately turned out well, then a final rub-down on emery in all the needed areas to get the finish I wanted and then started to add the studding - with a bit of thread retainer on each stud, and some stainless steel nuts to unscrew off the studs once cut to "clean" the threads:

While waiting for that lot to set a bit, I started making nuts. The nuts in the previous photo are normal M2 stainless steel nuts, and while I could use those, they don't have pleasing proportions (at least to my taste). So I went about the business of filing a bit of hex on some 3.2mm brazing rod, center drilling, drilling it 1.6mm and tapping it M2, and then parting off 2 nuts at a time with the jig-saw-blade parting tool. :

As usual, some nuts went flying while parting off, so the shop monster ended up with a selection of small nuts called "Dammit", "Sheisse" and so on - I hope he enjoys their company :lol: A simple process followed; make a couple of nuts, clip off studding on the block and add more to it and so on.

I eventually ended with a selection of nuts - four thicker ones for the cylinder cover, and eight thinner ones for the cylinder head - with an extra one that was christened "Lucky" - all still needing some de-burring:

As I started putting bits together, something became obvious... Steam or air would run through the valve chest, push down the valve and go through the port faces and so on - except for ? - Where the heck would it come from :scratch: I'd not make a steam connector! And even worse, I never even made the hole in the valve chest to fit it to :lol: That was easily remedied with a quick bit of turning:

And a bit of drilling and tapping:

Now things are coming together:

Still quite a bit left to do though... Like watching paint dry... Again... :doh: :lol:

Regards, Arnold

saw:
Good work looking very nice :clap: :clap:

andyf:

--- Quote ---Arnold said: As usual, some nuts went flying while parting off, so the shop monster ended up with a selection of small nuts called "Dammit", "Sheisse" and so on - I hope he enjoys their company
--- End quote ---

Grab a bit of thin (say 1mm) wire in the tailstock chuck, and stick it down the tapped hole in your hex stock. Then, each nut you part off will be left hanging on the wire.

Andy

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