[Gasification] Prime movers -- The Slow Go diesel concept

[Ken Boak]

Peter, Art and List,

These slow speed Lister diesels can trace their heritage back to about 1905,
from a US manufactured S.I. engine.

Listers started selling a single cylinder, twin flywheel, vertical, spark
ignition engine manufactured in the USA by the Stover Manufacturing and
Engine Company of Freeport, Illinois,  and known as the "Stover".  This was
imported by F.C Southwell & Co.

The Southwell brothers came to work for Lister and by 1909, they and
engineers at Listers had come up with their own in-house engine, the
gasoline 2.5hp Type J and the 4hp Type L, running at 400rpm.

Listers made the Type L for twenty years before they decided to use it as
the basis of their diesel engine, which became the 5hp CS running at 600rpm.

It's bottom end was originally the same 1.75" diameter crank, but this was
quickly increased to 2" to handle the extra shock loading of the diesel
cycle.

Engines based on the Lister CS are still being volume manufactured in India
and Iran, and through these you can trace the direct descendency from the
now 100 year old Stover design.

I'm sure a US patent search c1900 would find the original Stover design.


Ken