Updated: 31-May-2016
In 1905, John G. Callen built a double barrel engine with opposed pistons and two swash plates. No application is known.
"Callen's barrel engine"
Engines of CALLEN
Model: Tipo barril (1905)
"Callen barrel engine"
Updated: 31-May-2016
In 1905, John G. Callen built a double barrel engine with opposed pistons and two swash plates. No application is known.
"Callen's barrel engine"
"Callen barrel engine"