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From Kits/Castings / Re: Alyn Foundry Nattie
« Last post by RayW on Today at 12:17:51 PM »
Thanks for that advice. I have a neighbour who has a wood burning stove, so may have to speak nicely to him. I think I may give up with these two castings though, and resort to steel as Jason did.

Jason, what stroke length did you manage to get? I was aiming for 2 inches, but for the webs to be long enough to bored at 1 inch centres they would foul on the rounded cutout at the back of the main casting. I suppose I could always lower and widen that a bit to clear the webs, or, alternatively, I could go for a shorter stroke of, say, 1 3/4".

Engines / Re: First run of the Mini Mill Steam Engine
« Last post by Admiral_dk on Today at 12:15:44 PM »
Sweet looking - nice to see it run  :cheers:

Chatterbox / compressed air distributor
« Last post by Michael S. on Today at 12:11:02 PM »
Hello, everyone,

I had to rebuild my air station for model steam exhibitions. At the last event, the whole thing fell out of my hand and was destroyed.
But the wood was fine. Only the plastic valves are broken, the pressure gauge is defective.
There are fancy pneumatic valves with fine control, but they are very expensive. Normal shut-off valves for direct connection to the hose are available in packs of five for little money.
The downside is they have to be clamped between the hose.
Since the pipe for distribution was already available with an M 6 thread, I made transition parts from aluminum that are inserted into the valves. Instead of hose. Surprisingly, it holds up securely.
However, since the valves still wobble back and forth, the upper connection parts are made in such a way that they can be wedged between wood. The test was great, everything tight.
How did you set up your air distributor?

Your Own Design / Re: Chris's Build of Steering Engine
« Last post by kvom on Today at 11:59:34 AM »
When the crankshaft reverses, do both engines reverse, or does one run while the other free wheels?
Wow - she's a chunky beast is she not?   :ThumbsUp:

Great work, Stuart, and the videos certainly bring the build to life. Congratulations!  :cheers:

Hi MJM. Long time no see. Hope all goes well with you.

All the best from a morning of fine, windblown horizontal rain on the Isle of Skye.

Engines / Re: First run of the Mini Mill Steam Engine
« Last post by simplyloco on Today at 10:08:15 AM »
Hi Stewart, great to see it running so nicely after all your careful work. 

A major milestone and just the finishing touches to go now.


Engines / First run of the Mini Mill Steam Engine
« Last post by arona on Today at 09:02:39 AM »
Here is the first run of the Mini Mill Steam Engine:

Your Own Design / Re: Mercedes-Benz W165 Grand Prix engine in 1:3 scale
« Last post by Art K on Today at 05:40:45 AM »
Apparently I jumped on that book when I saw it on line as I do have it as a PDF. My in laws were in from eastern Pennsylvania and we spent most of this week converting the storage room to a bedroom. Storage means stuff that moved in when we bought the house and has been stored ever since. Some of wha came out is gone most won't return.
Your Own Design / Re: 1/4 scale Porsche 917 180 degree V12 Build
« Last post by steamer on Today at 01:40:20 AM »
All set for first and second op tomorrow...
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