Craftsman: John Swartzwelder
Knapp Collection #: 207
Catalog #: 2008.16.48
Contributor: Paul Knapp
John Swartzwelder fabricated several small multi-cylinder aircraft engines from commercially available Cox .049, .020, and .010 cc model airplane engines.
Craftsman: John Swartzwelder
Knapp Collection #: 206
Catalog #: 2008.16.49
Contributor: Paul Knapp
John Swartzwelder fabricated several small multi-cylinder aircraft engines from commercially available Cox .049, .020, and .010 cc model airplane engines.
Craftsman: John Swartzwelder
Knapp Collection #: 205
Catalog #: 2008.16.47
Contributor: Paul Knapp
John Swartzwelder fabricated several small multi-cylinder aircraft engines from commercially available Cox .049, .020, and .010 cc model airplane engines.
Craftsman: John Swartzwelder
Knapp Collection #: 204
Catalog #: 2008.16.46
Contributor: Paul Knapp
John Swartzwelder fabricated several small multi-cylinder aircraft engines from commercially available Cox .049, .020, and .010 cc model airplane engines.
Craftsman: Birk Petersen
Catalog #: 2016.15.19
Donor: Mark Petersen
The pistol was “decommissioned” so that it will not actually fire .22 cartridges, although it duplicates all functions of the original.
Craftsman: Marshall Ziegert
Catalog #: 2016.8.14
Contributor: 419
This ’32 Ford tether car measures about 7 inches wide, 4.25 inches high, 13 inches long, and weighs 6.25 pounds.
Craftsman: Richard Docken
Catalog #: 2014.2.1
Donor: Donald Woods
Richard Docken’s wooden HO scale model of the Cyclone Racer roller coaster. The model is about 6-feet long and made from thousands of pieces of balsa wood.
Craftsman: Noel Jensen
Knapp Collection #: 85
Catalog #: 2008.10.26
Contributor: Paul Knapp
To achieve more power, Noel Jensen added two more cylinders and produced this flat 4-cylinder opposed engine dubbed the “Dominator.”
Craftsman: John Nuovo
Knapp Collection #: 132
Catalog #: 2008.10.37
Contributor: Paul Knapp
The Green Dragon burns methanol with castor oil mixed in for lubrication on spark ignition. The engine is 7″-long, 5″-wide, and 6″-high.
Craftsman: John Nuovo
Knapp Collection #: 133
Catalog #: 2008.10.38
Contributor: Paul Knapp
This two-cycle, air-cooled Green Dragon automobile engine was named for its green crackle paint finish. This engine is 7″-long, 5″-wide, and 6″-high.