Twin Cylinder Steam Engine Model

[ppemawm]

This miniature assembly was created using 32 bit Windows 7 FreeCAD V0.13 Rev 1828 as a study in modeling linkages and tubing in 3D space using the Part Design workbench. The global axis was located at the point of symmetry so that maximum use of Part mirroring about the Z axis was possible as shown in the second screenshot. All parts were created in the same file and grouped by part name. Fasteners are generally not included in order to keep the file smaller to maximize performance during modeling.

Dimensioned drawings used to create the parametric solids can be found here:
http://www.john-tom.com/html/SteamPlans.html
The FreeCAD assembly file (4.08 Mb) is at:
https://www.dropbox.com/s/fsn8kecvxn60r ... nder.FCStd

Twin_Cylinder_Assy_Isometric.JPG (81.39 KiB) Viewed 3595 times

Axis_of_Symmetry.JPG (29.8 KiB) Viewed 3595 times

Twin_Cylinder_Rotor.JPG (46.56 KiB) Viewed 3595 times

[cblt2l]

Very impressive! Have you built one of these yet?

[ppemawm]

Have you built one of these yet?

I have not.

[triplus]

Nice work.

P.S. It looks like we do not need assembly workbench after all.

[ayham abuabbas]

Dear ppemawm
could you pleas send me your email or other contact details
Best Regard
Eng.Ayham Abuabbas

[un1corn]

Well done, do we have another steam enthusiast out there?

[ppemawm]

could you pleas send me your email or other contact details

You may contact me using the Forum's private messaging (PM).
Thanks.

[ppemawm]

Well done, do we have another steam enthusiast out there?

Indeed. These are fascinating machines especially considering how long ago
they were invented. And, they can be an interesting challenge to model,
as you well know.