Hello, in the video shown you can see the single-cylinder steam engine with Stephenson valve gear called "Leni".
Designed by bengs-modellbau Germany.
Here the video:
Greetings
AN5523
Here some picture of the last build Stuard Sirius steam motor.
It was build of a set of castings from Stuart.
https://flic.kr/s/aHsmwfRL65
Height 6 Inches.
Discwheel Diameter 2 11/16 Inches.
Cylinder Bore 1 Inch Diameter.
Cylinder Stroke 1 Inch.
Here some picture of the last build Stuard Sirius steam motor.
It was build of a set of castings from Stuart.
IMG_6431_proc by AN5523 posted Oct 19, 2019 at 3:59 PM
Height 6 Inches.
Discwheel Diameter 2 11/16 Inches.
Cylinder Bore 1 Inch Diameter.
Cylinder Stroke 1 Inch.
Greetings
an5523