oscillating steam engines

[steamy]

hi
does anyone know of any plans or kits for a wobbler with 1"or 1.5" bore.
is there any info on how to work out bore stroke ratio and how to mark out and drill the ports in
the correct place
many thanks steve

 

[deverett]

Have you thought about using a design for a smaller engine and enlarging it?
Elmer Verburg designed quite a number of oscillating engines (wobblers to our 'Merican friends). His designs can be downloaded from http://www.john-tom.com/html/ElmersEngines.html

Dave
The Emerald Isle

 

[steamy]

hi deverett
if you enlarge existing plans do all the relationships stay the same bore stroke ports etc
steve

 

[Jasonb]

Yes just scale all lengths by the same amount, angles do not change.

If you want a kit then Myers do a vertical with 1" bore
http://www.myersengines.com/engines/creators_vertical.htm

I just made this one from some photos of an old model and a bit of googling for the port positions. 24mm bor eand all barstock except the flywheels