This engine has been developed from the construction of the Simplex four stroke engine:
The Simplex Evaporizer is equipped with two band wheels for smoother running performance and an harmonic optical appearance.
The cylinder is built up with a liquid-cooled arbor-bearing sleeve, produced as a casting.
This machine can be either run with gasoline or propane. –

Specifications:

Bore: 31 mm

Stroke: 50mm

Height: 180 mm

Length: 315 mm

Diameter of
band wheels: 176 mm

Weight: 12 kg