Hit and miss STEAM ENGINE????

[Brian Rupnow]

CRANKSHAFT---

View attachment CRANKSHAFT FOR HIT AND MISS.PDF

 

[Brian Rupnow]

CONNECTING ROD---

View attachment CONNECTING ROD.PDF

 

[Brian Rupnow]

PISTON--

View attachment PISTON.PDF

 

[Brian Rupnow]

VALVE ACTUATOR BUSHING

View attachment VALVE ACTUATOR BUSHING.PDF

 

[Brian Rupnow]

SLIDING CAM--

View attachment SLIDING CAM.PDF

 

[Brian Rupnow]

SOLEDERED ASSY. OF BACKING PLATE THAT SUPPORTS COUNTERWEIGHT ARMS--

View attachment SOLDERED ASSEMBLY OF BACKING PLATE.PDF

 

[Brian Rupnow]

COUNTERWEIGHT ARM ASSEMBLIES---

View attachment SOLDERED ASSEMBLY OF WEIGHT ARMS AND WEIGHTS.PDF

 

[Brian Rupnow]

Well, I think thats it. if I missed anything, let me know. If you see any blatant mistakes let me know. If you like what I've done here, and/or want to download the files and use them yourself, please click on the "applaud" button under my name and give me a karma point.---Brian

View attachment FULL ASSY HIT AND MISS ENGINE.PDF

 

[Brian Rupnow]

If there is anything you don't understand (and there probably will be), please ask me and I will try to answer your questions.--There was a lot that I didn't understand when I started into this, and I think I have it pretty well figured out now.

 

[mklotz]

A detail (doesn't need to be a dimensioned drawing) of the spring location/arrangement on the governor might be useful.

 

[Brian Rupnow]

Good question, Marv---this should show it clearly--

View attachment ASSY TO SHOW 2 POSITIONS OF COUNTERWEIGHT ARMS.PDF

 

[Brian Rupnow]

A bit more explanation as to how the cam works for the hit and miss cycle---

NOTE: THE FOLLOWING NOTE ON THIS DRAWING HAS AN ERROR ON IT---

VALVE ACTUATOR BUSHING-THIS IS SET SCREWED TO
THE CRANKSHAFT AND CAN NOT MOVE. THE FORKED
END OF THE VALVE ACTUATOR LEVER RIDES ON IT, HELD
IN PLACE BY THE SPRING ON THE VALVE-STEM AND THE
CRANKSHAFT BEARING.(BEARING NOT SHOWN)-THERE
IS A SHOULDER ON THE "VALVE ACTUATOR BUSHING"
THAT KEEPS IT FROM MOVING TOWARDS THE FLYWHEEL

IT SHOULD READ

VALVE ACTUATOR BUSHING-THIS IS SET SCREWED TO
THE CRANKSHAFT AND CAN NOT MOVE. THE FORKED
END OF THE VALVE ACTUATOR LEVER RIDES ON IT, HELD
IN PLACE BY THE SPRING ON THE VALVE-STEM AND THE
VALVE ROD SPACER (SPACER NOT SHOWN)-THERE
IS A SHOULDER ON THE "VALVE ACTUATOR BUSHING"
THAT KEEPS IT FROM MOVING TOWARDS THE FLYWHEEL

View attachment EXPLANATION OF HIT AND MISS CAM ACTION.PDF

 

[Brian Rupnow]

I have added a few more drawings and saved everything as .pdf files in the "Downloads" section.
http://www.homemodelenginemachinist.com/index.php?action=tpmod;dl=item198

 

[Brian Rupnow]

This is something I was thinking about last night, namely, how to put a bolt pattern in each end of a round cylinder when the two bolt patterns are offset at a 45 degree angle from each other. I came up with this answer as I was trying to drift off to sleep.

View attachment JIG FOR DRILLING CYLINDER.PDF

 

[RobWilson]

great post Brian :bow: looks like a lot of work went into them there plans, when dose the build start? ;D
Rob

 

[Brian Rupnow]

Well, actually it started about 15 minutes ago. I went over to see one of the companies that fabricate custom machinery for me this afternoon, and put a big whine on them about the high cost of aluminum, sob, sob. ---So being the great fellows that they are, and seeing as how I've put about $28,000 worth of work thru their shop this year so far, they let me go out back and launch a full scale raid on their "cut-off" bin. I came home with a big cardboard box full of about a zillion dollars worth of aluminum, and just started work on the cylinder.

 

[RobWilson]

Great stuff Brian ,there is nothing like a Zillion Dollars worth of stuff for free :big:
Hope to see lots of photos ,Thanks for sharing your drawings
Rob

 

[Brian Rupnow]

I have started to build this engine, so I have moved it over to"A work in progress".---Brian