Two-Cylinder Marine Steam Engine
Craftsman: Rudy Kouhoupt
This two-cylinder marine steam engine would have been used to power a small boat or launch.
V-4 Marine Steam Engine
Craftsman: William "Scotty" Hewitt
Catalog #: 2008.17.2
Donor: William "Scotty" Hewitt
A miniature oscillating V-4 marine steam engine. The throttle, lubricator, drain valve, and forward/reverse mechanism all work.
V12 Air-Cooled OHV Model Boat Engine
Craftsman: Unknown
Knapp Collection #: 177
Catalog #: 2008.10.51
Contributor: Paul Knapp
This 60-degree, overhead valve V-12 engine was machined from billet aluminum (bar stock) with cast iron lined cylinders.
Wall Duplex Mariner
Craftsman: Elmer A. Wall
Knapp Collection #: 79
Catalog #: 2008.16.13
Contributor: Paul Knapp
This Duplex Mariner engine, circa 1940-41, is 9”-long, 6”-wide, and 8”-high.
Wall Wizard Water-Cooled 4-Cycle Model Boat Engine
Craftsman: Dick Pretel
Knapp Collection #: 262
Catalog #: 2011.27.34
Contributor: Paul Knapp
Mr. Pretel built this engine from a standard Wall Wizard casting kit, but modified the cylinders for water cooling instead of air.
Zimmerman “Cirrus” 4-Cycle V8 Engine
Craftsman: Profi M.E.
Knapp Collection #: 67
Catalog #: 2008.10.21
Contributor: Paul Knapp
This 1/6 scale Zimmerman “Cirrus” 4-cycle V8 engine was built by Profi M.E., 2001. This engine includes the addition of 4 cylinders and a geared flywheel instead of a propeller hub.
Showing 7 of 67 exhibits.