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Westinghouse Twin Single Acting Steam Engine

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CI:
I was having some offline conversation about twin single-acting steam engines, and the Westinghouse design was mentioned, along with some of the Stuart designs.
Here is some prints I have on the Westinghouse engine.
This engine probably needs pressure relief valves, since a hydraulic lock could damage it due to the piston valve design.

One of these is a compound, and one is not a compound.

.

uuu:
There's a rather nice Saito V4 single acting engine.  Model V4PR.  It has a clever reversing mechanism, with a sleeve around the valve that can be rotated to swap the ports around.  This also acts as a throttle, so you can control speed and direction with a single servo.



Wilf

CI:
 :ThumbsUp:

crueby:
Interesting,  don't  think I have  seen  a s8ngle acting compound before.




I have one of those Saito v4 engines, got it in a steam launch kit by Laugh8ng Whale decades ago.

Michael S.:
I've been considering building this engine for a few days now. I still have some parts left over from my Stuart 10V. I really like this compound engine. Has anyone seen one before? Apparently, the model is from Great Britain. What diameter is the HP cylinder?

Michael

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