Engines > Your Own Design

The "ORIENTAL"

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maury:
Let the CAD begin. After reviewing the pictures and drawings I have, I decided ib  3/16 scale.
I'm starting with the cylinders, as they impact the crank case  & components, and the valve
cages. I believe the cylinders and crank case were all cast as one part on the original, but it's
more practical to build the model with them separated. There is a clean line between the two
parts, so there is minimum visibility with the separation line. The  model so far is incomplete
and will require some minor tweaks. The Bore is 2", and stroke 2 1/2". The cylinders are to be
cored out and a liner added. I'm still not sure about all the water passages, and only have the
pictures of the plumbing to go by. Also, I think there will be a need for a water pump.

Maury

CI:
 :popcorn: :popcorn:

maury:
After studying the information I have and spending a bunch of CAD time, I have a first pass on the design.
After I made the pics I'm posting, I realized the cylinders were a bit too high, so I've fixed that. Still a long
way to go and details to add.

Through this, I have found the crank case and the flywheel and some core boxes will be too large to print on my Bambu Lab A1.
So this is a problem I still need to solve. I would very much desire to avoid making the patterns in pieces and gluing them together.

CI:
Nice looking 3D modeling work !
.

maury:
Thanks CI.
Long way to go yet.
I was looking at the oilers today, going to be a real challenge to make them that small.

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