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Twin Cylinder Steam Engine

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Darren:
Now for the bit that was getting me nervous...... :bang:

The milling......

One side



Then the other, ok I know they look the same but they arn't.... :)



And this is the result



A little flattening back, I'll leave the final cleaning up till they ae finished




I have to say I feel quite please with myself  :D :D :D

Twinsquirrel:

--- Quote ---I have to say I feel quite please with myself
--- End quote ---

So you should be, great piece of work, love the idea of using router bits!

David H

bogstandard:
So my little tips work then Darren?

If you can finish that engine, you should find that small parts (engineering bits that is) hold no terror any more, and you will be able to look at a lot of other jobs, and transfer the info you learn across to them.

I made two of these engines in parallel, in just over two months, designing and making as I went along.

Can you make one in less by following the book?

Bogs

Bernd:
Darren,

You look at you go, nice bit of work there :thumbup:

I really like that idea of using a router bit.

Bernd

Darren:
John that little fixture was so simple to make it's almost unbelievable how important it is..... :smart:

One of the reasons for tackling such a complicated build, (to me) is to learn. I find I do that every time I switch the machines on  :ddb:

I've no idea how long it will take to finish, I'm still not sure what I've let myself in for here  :lol:

I thought the crank webs looked complicated and ultra accuracy needed, that's why I did them first. If I couldn't make them then I would know I wasn't ready for such a project.
As it turns out, they were not difficult at all by following your logs.


What would I do differently next time....erm....don't use SS, it's just a pig to part, drill and tap. Lathing and milling it is great and leaves a superb finish from the off. But the rest is not much fun.  :bang:

I'm not looking forward to drilling and tapping the clamp, I might no tap it at all yet. We shall see. If I have any foul-ups I will buy some brass and start again.


I was pleased with the milling this time around, that came out quite nicely..... :thumbup:

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