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I immediately caught the idea, excellent, that will work. Why did i not ask earlier. Thanks the pictures explain it all, so simple, yet it evaded me.

Hi i would like to pick the brains from the experienced. How would you machine this part. I have done a few and must admit it is a pain. You will see from my sketch how i do it from a disc of material twice the size of the actual part, it works, but it is a terrible waste of material. Any...

I'm not sure, we call it Red Ivory in South Africa. You also get Black Ivory wood, hard as steel and heavy, you can drill and tap threads in it.

Here is my Scotty in Elmer's true size. I have a clip of it running but seems to be not of a format recognizable when trying to upload. Mine has an aluminum piston running in stock standard brass without any rings, just oil grooves as per his drawing and a good sliding fit.

The last two images is video clips of it actually running. I agree there is a fair bit of inbalance, thus causing a bit of vibration. The exhaust vent again through porting on the drive shaft and then out at the back via a drilled port. The reverse lever realy work, i had just to little hands to...

My latest build Elmer's no 3 engine. Not the most effective engine with the valving on the shaft.

Small possibility i can help, mail me at [email protected]

What a beauty !!

That is now a challenge, making it a 2 cylinder, to me this is small and very fiddly to work with, keep us posted.

Well was i surprised to have it running the fist time, i thought i might have to fiddle a little with the valve timing. I still need to fit it to a nice wooden base. Run it about for two minutes and then took the air supply off, was running on a mere breath of air, will measure it sometime.

Very nice, i like it, well done. What is your next engine.

Not quite there yet, still need to fit the piston and the steam intake fitting. Hope to have it running soon.

Thanks Tony much appreciated.

Lovely creation Tony, i like it a lot, to me it has character. How, where do you get your operator figure from?

Some more parts.

The parts all still need some fettling with wet & dry, breaking some sharp edges.

Some photos of the parts made thus far.

So I indeed started with Elmers no 6 engine as a "quicky". Surprise again, nothing about Elmer's engines is quick or easy. The size of the components makes this continually a challenge. I have made this engine with about all the parts from the scrap bin. Fortunate that they are so small, but...

Julius de Waal redraw no 6 to a metric version twice the size of Elmer's. The drawing is nice and clear. I'm also starting with it now, building it Elmer's size except i round it all up to metric sizes.