Single-Cylinder .60 Model Airplane Engine

Single-Cylinder .60 Model Airplane Engine

Craftsman: Unknown

Knapp Collection #: 346

Catalog #: 2016.8.3

Contributor: Paul Knapp

This single-cylinder air-cooled .60 size engine was machined from aluminum and steel bar stock and designed to burn methanol on spark ignition.

Single-Cylinder Brass Steam Engine

Single-Cylinder Brass Steam Engine

Craftsman: Les Cade

Catalog #: 2011.4.23

Donor: Les Cade

This single-cylinder brass engine was the first steam project produced by Les Cade.

Single-Cylinder Hit N’ Miss Engine

Single-Cylinder Hit N’ Miss Engine

Craftsman: Unknown Canadian Manual Arts Class

Catalog #: 2011.4.4

Donor: Les Cade

In the 1930s in Canada, this single-cylinder hit n’ miss engine was reportedly built by manual arts students as a class project.

Single-Cylinder Horizontal Gas Hit N’ Miss Engine

Single-Cylinder Horizontal Gas Hit N’ Miss Engine

Craftsman: Mr. Hallock

Catalog #: 2011.4.5

Donor: Les Cade

This single-cylinder horizontal gas hit n’ miss engine is ungoverned and features a chain driven water pump, model airplane carburetor, and twin cams.

Single-Cylinder Marine Gas Engine

Single-Cylinder Marine Gas Engine

Craftsman: Bill Fowler

Catalog #: 2011.4.7

Donor: Les Cade

This single-cylinder marine gas engine was built by Bill Fowler. This particular water-cooled engine features an Amal motorcycle carburetor.

Single-Cylinder OHC Air-Cooled Demonstration Engine

Single-Cylinder OHC Air-Cooled Demonstration Engine

Craftsman: ELWE Educational Products

Knapp Collection #: 347

Catalog #: 2013.53.1

Contributor: Paul Knapp

This. single-cylinder OHC air-cooled demonstration engine was made in Germany in the 1990s. The engine is 8”-long, 16”-wide, 8”-high, and weighs 8 oz.

Single-Cylinder, 4-Cycle Air-Cooled Engine

Single-Cylinder, 4-Cycle Air-Cooled Engine

Craftsman: Unknown

Knapp Collection #: 285

Catalog #: 2011.27.41

Contributor: Paul Knapp 

This model engine was almost completely machined from aluminum and steel bar stock. The cylinder is a modified 2-cycle cylinder that was converted to operate on this 4-cycle engine.

Single-Cylinder, 4-Cycle Model Airplane Engine

Single-Cylinder, 4-Cycle Model Airplane Engine

Craftsman: Unknown

Knapp Collection #: 210

Catalog #: 2011.27.17

Contributor: Paul Knapp 

This single-cylinder, 4-cycle model airplane engine has a 3/4-inch bore, a 1.0-inch stroke, and it burns methanol on glow ignition.

Single-Cylinder, Air-Cooled, Four-Cycle OHV Engine

Single-Cylinder, Air-Cooled, Four-Cycle OHV Engine

Craftsman: Unknown

Knapp Collection #: 174

Catalog #: 2008.16.27

Contributor: Paul Knapp

The most striking features of this engine are the complexity of the carburetor, and the use of only one threaded stud to mount both the intake and exhaust manifold.

Sir William Horizontal Twin Pumping Engine

Sir William Horizontal Twin Pumping Engine

Craftsman: Ramon Hoagland

Knapp Collection #: 665

Catalog #: 2021.9.3

Contributor: Paul Knapp

This Sir William horizontal twin pumping engine was made by Ramon Hoagland of Colorado.

SJ-10 Turbojet Engine

SJ-10 Turbojet Engine

Craftsman: Mike Early 

Knapp Collection #: 588

Catalog #: 2019.11.1

Contributor: Paul Knapp

This SJ-10 Turbojet engine was made from a turbocharger with a combustion system added and it runs on propane. Mike provided plans to jet engine enthusiasts worldwide.

Skylark 2-Cycle Marine Engine

Skylark 2-Cycle Marine Engine

Craftsman: Gerald Smith

Knapp Collection #: 301

Catalog #: 2011.35.8

Contributor: Paul Knapp

The Skylark 2-cycle marine engine was designed and built by Gerald Smith, of the UK. Mr. Smith manufactured over 300 engines from 1922 to the mid-1980s.

Slipper Cox .049 Tether Car

Slipper Cox .049 Tether Car

Craftsman: Doug Parker

Knapp Collection #: 404

Catalog #: 2016.8.7

Contributor: Paul Knapp

The “Slipper” Cox .049 tether car measures about 7-inches long with a wheelbase of 4-inches. It was hand crafted from billet 6061 aluminum and steel.

Showing 20 of 1292 exhibits.

Presented by The Joe Martin Foundation for Exceptional Craftsmanship