Recent content by Brian Rupnow

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  1. Brian Rupnow

    Stephenson's Rocket--Working Model

    Went across town to see my metal supplier and picked up a 1" thick offcut for $5.00 this afternoon. Brought it home and added it to the flat bar which supports the cylinders. I wear a mask my wife made from black cloth material, and every time I see myself in the mirror I think of the Lone...
  2. Brian Rupnow

    Stephenson's Rocket--Working Model

    Both cylinder assemblies mounted to cross bar of test fixture. I can't do any more now until I go and buy some material.
  3. Brian Rupnow

    Stephenson's Rocket--Working Model

    I spent far too much of today getting the cylinder assemblies to extend and retract when connected to the cross-head guides. In all honesty, I don't think I would recommend this style of cross head guide system. With the offset between the cylinder rod and the two cross-head guide rods, there...
  4. Brian Rupnow

    Stephenson's Rocket--Working Model

    Some days you eat the bear---Some days the bear eats you!! I spent an absolutely insane amount of time today freeing up the cross head to slide smoothly with the extension and retraction of the cylinder. I got one unit finished. I can extend or retract the cylinder by shifting the slide valve...
  5. Brian Rupnow

    raym/rupinow vert hit & miss

    Nifty gas tank Ray----Almost looks like I could drink champagne out of it!!
  6. Brian Rupnow

    Werowance attempts Upshur Vertical Single

    I wouldn't take a chance on putting more heat into the top plate. There is no real loading on the tappet guides. I would use Loctite.---Brian
  7. Brian Rupnow

    Stephenson's Rocket--Working Model

    Today was a minor milestone. I just finished making the gaskets for one of the two cylinders on this engine, and of course I wanted to see if /how it worked. I always get a little thrill out of reaching a point where the slide valve controls the movement of the cylinder.
  8. Brian Rupnow

    Stephenson's Rocket--Working Model

    Today was mostly given over to the sliding valves for each cylinder. They are finished and look all right, but I won't really know until I get my gaskets cut and installed and some air pressure to work with. I have been wondering for the last week how I was going to get air pressure into the...
  9. Brian Rupnow

    Stephenson's Rocket--Working Model

    Today was cross-head day. I would rather run in circles and bite myself than make pieces this small, but these are probably the smallest parts of this build, and they turned out alright. Don't let the size of these parts fool you. To get them to slide freely on the cross head guides and not jamb...
  10. Brian Rupnow

    Stephenson's Rocket--Working Model

    Today was the day for cross-head guides and brackets. I don't really know why, but I had a horrible time with these brackets. I kept taking off a little bit here, and a little bit there, and by the time they all matched and looked right, I had almost used up my entire day. The 1/8" cold rolled...
  11. Brian Rupnow

    Steamengine with Hackworth valve gear

    Ser Gut!!!--I have not seen that style of reversing gear before.----Brian
  12. Brian Rupnow

    Stephenson's Rocket--Working Model

    So, as promised yesterday, today the aluminum feet were finished and bolted in place. The main baseplates for the right and left hand cylinder assemblies were cut to size and drilled to allow mounting of the cylinder assemblies. Tomorrow I will probably make the A shaped pieces that support the...
  13. Brian Rupnow

    Stephenson's Rocket--Working Model

    I had the very best intentions today, of building the four brackets which support the cylinders. However, "The best layed plans of mice and men Gang aft agley"---I did get the four pieces cut to size, and I actually did drill and tap four holes and add two counterbores and a bit of end...
  14. Brian Rupnow

    Exhaust valve timing

    Set it up so that the valve closes at or just before top dead center. This may make it begin to open earlier than 25 degrees before bottom dead center, but it will probably be okay.
  15. Brian Rupnow

    Yet Another Webster Begins

    3/16" will work okay.
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