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would this valve design work for a steam engine?

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NickG:
What material is your cylinder? I would use brass for everything or stainless steel for the piston valve. Don't use aluminium, you will have real trouble soldering aluminium, I think it can be done with special solder, but not sure if a different material can be joined to it?

How are you going to join the manifold to the cylinder? If you use brass for both you can silver solder but if you use aluminium I'm struggling to see how you're going to attach it to cylinder and steam pipes to it, unless it's bolted and the pipes are screwed in?

To be honest, I think soft solder would be ok for steam pipes and the like on a small engine like this but easy flow no.2 silver solder and flux would be best.

Oxy / acet should be ok I think, just be careful as you say. A small butane / propane torch would be better!

Nick

SPiN Racing:
Here is a animation.. not sure if it will help.. but this is something to look at for you...

http://science.howstuffworks.com/steam1.htm

Bernd:
SPiN,

I was looking for that last night. I remember seeing an animation some where just couldn't remember were.

That's how a "D" valved engine works.

Bernd

Buddpig:
Looks like a Stevens Valve gear, similar to what we are setting upon the Julliet we are putting together, I had a link to software at work that allows you to set dimensions, and simulate valve gear operation, I will see if I can find it again. I may help you out.

Cheers

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