HP Silver Star .61 Engine Cutaway #24 

HP Silver Star .61 Engine Cutaway #24 

Craftsman: Hirtenberger Patronen 

Catalog #: 2010.19.6 

Donor: Jerry Nelson

The Silver Star and Gold Cup engines are among some of last to be made in Austria before production was moved to the USA in 1990. 

I.H.C. Mogul Side Shaft Engine

I.H.C. Mogul Side Shaft Engine

Craftsman: Russell Anderson 

Catalog #: 2019.21.5

Contributor: Steve Anderson

Several engines built by Russell Anderson, including this I.H.C. Mogul side shaft engine, are on display in the Miniature Engineering Craftsmanship Museum.

Indian Silver Arrow 2-Cycle Outboard Boat Motor

Indian Silver Arrow 2-Cycle Outboard Boat Motor

Craftsman: Ted Maciag and Profi M. E.

Knapp Collection #: 252

Catalog #: 2011.27.30

Contributor: Paul Knapp

The Indian Silver Arrow is a two-cylinder, opposed, two-cycle, water-cooled engine that was rated at 10 HP.

International Harvester Stationary Engine

International Harvester Stationary Engine

Craftsman: Everett Kroll

Knapp Collection #: 150

Catalog #: 2011.27.9

Contributor: Paul Knapp 

A 1/4 scale model International Harvester hopper-cooled stationary Hit N’ Miss engine.

Jemma 7-Cylinder Radial Airplane Engine

Jemma 7-Cylinder Radial Airplane Engine

Craftsman: Charles “Chuck” Harty

Knapp Collection #: 526

Catalog #: 2017.27.11

Contributor: Paul Knapp 

Built from construction articles in Strictly IC Magazine, the engine is machined completely from bar stock; there are no castings. It is about 9-inches in diameter and 8-inches long.

JEMMA 7-Cylinder Radial Engine

JEMMA 7-Cylinder Radial Engine

Craftsman: Bob Haagenson

Knapp Collection #: 358

Catalog #: 2013.53.2

Contributor: Paul Knapp

The JEMMA 7-cylinder radial engine is 13”-long, 9”-wide, 10”-high, and weighs 11 lbs. 6 oz. It has a bore of .750 and stroke of .800.

Jenno 14 Single-Cylinder Model Airplane Engine

Jenno 14 Single-Cylinder Model Airplane Engine

Craftsman: Larry Jenno

Knapp Collection #: 194

Catalog #: 2008.16.38

Contributor: Paul Knapp

Larry Jenno’s first homemade engine is this .14 cubic inch, single-cylinder, two-cycle model airplane engine. The engine is 3″-long, 2″-wide, 3″-high, and weighs 8 oz.

John .060 V-Twin Model Engines (Glow and Diesel) 

John .060 V-Twin Model Engines (Glow and Diesel) 

Craftsman: Jan Garcic 

Knapp Collection #: 572, 573 

Catalog #: 2019.10.1 

Contributor: Paul Knapp 

These John .060 V-twin model engines were produced in very low quantities. Mr. Garcic geared together two of his .030 single-cylinder engines to produce these .060 “V” style twins.

John Deere Type “E” 1-1/2 HP Stationary Engine

John Deere Type “E” 1-1/2 HP Stationary Engine

Craftsman: Dettmar Industries

Knapp Collection #: 148

Catalog #: 2008.10.46

Contributor: Paul Knapp

This is a gasoline burning stationary (hit-n’-miss) engine with a 1.8-inch bore and 2-inch stroke, enclosed crankcase, and a make-and-break ignition system.

Johnson F1 Model Outboard With .65 OS engine

Johnson F1 Model Outboard With .65 OS engine

Craftsman: AMPS

Catalog #: 2013.49.6

Contributor: Daniel "Buzz" Brunkow

Included here are a Johnson F1 with a .65 OS engine (left), an Evinrude F1 with a .45 OS engine (center), and a Mercury EFI F1 with a .45 K&B powerplant (right). 

JPX-T240 Turbojet Model Aircraft Engine

JPX-T240 Turbojet Model Aircraft Engine

Craftsman: Vibraye

Knapp Collection #: 46

Catalog #: 2009.9.05

Contributor: Paul Knapp 

By 1992, commercially available miniature jet engines like this JPX-T240 began to appear on the market. This engine burns propane fuel and can produce up to 13 pounds of thrust.

JT 1800 9-Cylinder Radial Model Airplane Engine

JT 1800 9-Cylinder Radial Model Airplane Engine

Craftsman: John V. Thompson

Knapp Collection #: 145

Catalog #: 2008.10.43

Contributor: Paul Knapp

This 9-cylinder radial engine weighs 28 pounds and has a 1.25-inch (32 mm) bore and a 1-inch (24.8 mm) stroke with a total displacement of 10.8 cu. in. (180 cc).

Jupiter 220 2-Cylinder Opposed Airplane Engine

Jupiter 220 2-Cylinder Opposed Airplane Engine

Craftsman: Farger & Joosten

Knapp Collection #: 68 

Catalog #: 2009.9.08

Contributor: Paul Knapp 

The Jupiter 220 2-cylinder opposed model airplane engine was manufactured by Farger & Joosten. The engine is 9”-long, 11”-wide, and 6”-high.  

K-35 Single-Cylinder, Two-Cycle Model Airplane Engine

K-35 Single-Cylinder, Two-Cycle Model Airplane Engine

Craftsman: Fred Kunze

Knapp Collection #: 167

Catalog #: 2008.16.24

Contributor: Paul Knapp

Fred Kunze constructed and sold 39 of his model K-35 airplane engines. The K-35 has a 13/16-inch bore, 3/4-inch stroke, and burns methanol on glow ignition.

K&B .48 Engine

K&B .48 Engine

Craftsman: K&B

Catalog #: 2012.19.8

Donor: Joe Bridi

This K&B .48 engine is a glow ignition with remote needle valve, square head. This one is #138 of 4,800 built. It has a gold anodized head and prop ring.

K&B “Ringed Piston” Prototypes

K&B “Ringed Piston” Prototypes

Craftsman: Lud Kading

Knapp Collection #: 619

Catalog #: 2019.33.17

Contributor: Paul Knapp

K&B advertised, but never actually produced a ringed .29 engine. Lud Kading built two experimental prototypes in 1947.

Showing 20 of 679 exhibits.

Presented by The Joe Martin Foundation for Exceptional Craftsmanship