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Twin Cylinder Steam Engine

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bogstandard:
Darren,

I think Stew means Titanium coated rather than gold.

DO WAIT FOR RALPH, I think he can sort your problem of the big holes very easily.

Bogs

Darren:
Thanks Guys I will wait for Ralph  :thumbup:

I was going to put this part to one side for now until I had...

a, practiced on a scrap
b, ordered a step drill or two

Be interesting to see what Ralph has in mind  :ddb: :ddb: :ddb:

Darren:
Ha, found a way to do it and it leaves the neatest and most precise hole you have ever seen.... :ddb:
Well, than I have ever seen maybe....

I used the tool I pictured, stuck a 1/2" two flute milling cutter in it and bored a hole. Then advance the boring tool and made the hole bigger, only this time the cutter only used one cutting edge.

Worked a treat..

sbwhart:
Well that was thinking out of the box, well done pleased it worked
 :clap: :clap:  :clap:

Stew

Darren:
Ralph came over today and we had some fun playing about with wiggly things making his garage door motors work, Oh and we talked a little bit too  :lol:

Nice to meet the ball turner in person  :wave: It was good to have some company in the same frame of mind for a change, machining mind that is.... :ddb:

Ralph left some stepped cutters behind, so after he had left I gave them a go. Pleased to say they also cut holes very neatly. I'd seen them in Aldi's but thought they were a gimmick, not so it seems. Every bit as good as the milling cutter trick I tried earlier and a bit simpler to operate as well  :dremel:

They do get a touch long at the bigger diameters though, have to bear that in mind when using a vice esp mine as it's shallow....

Thank you Ralph and good to meet you at last, welcome back anytime  :thumbup:

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