Gem 1 Stationary Engine 

Gem 1 Stationary Engine 

Craftsman: Dwight Giles

Knapp Collection #: 543

Catalog #: 2017.27.15

Contributor: Paul Knapp 

The Giles Engine Model 1 (GEM) is a small horizontal 4-stroke with a bore of 7/8” and a stroke of 1-1/8” for a total displacement of 0.68 cubic inches.

GIL Model Airplane Engine

GIL Model Airplane Engine

Craftsman: GIL Manufacturing

Knapp Collection #: 319

Catalog #: 2012.33.4

Contributor: Paul Knapp

This GIL model airplane engine is a 1.18 cubic inch two-cycle model airplane engine produced from 1922 to 1933 by GIL Manufacturing in Chicago.

Gipsy Major MK I

Gipsy Major MK I

Craftsman: Reinhold Krieger

Knapp Collection #: 341

Catalog #: 2012.33.16

Contributor: Paul Knapp

The 1/3 scale inverted inline 4-cylinder Gipsy Major has a 1.3-inch bore and a 1.6-inch stroke for a total displacement of 8.5 cubic inches.

Gnome 160 Rotary Airplane Engine

Gnome 160 Rotary Airplane Engine

Craftsman: Ray Williams

Knapp Collection #: 114

Catalog #: 2008.10.32

Contributor: Paul Knapp

The Gnome 160 operates on gasoline with spark ignition and a pressurized oil system. It has a displacement of 27 cubic inches and the engine itself weighs 11 pounds.

Gray Horizontal Stationary Engine 

Gray Horizontal Stationary Engine 

Craftsman: Dwight Giles 

Knapp Collection #: 544

Catalog #: 2019.9.1

Contributor: Paul Knapp

This Gray horizontal stationary engine was made by Dwight Giles. It measures 16”-long, 12”-wide, 13.5”-high, and weighs 63 pounds on the base.

Guttu Offy Special 

Guttu Offy Special 

Craftsman: George "Ron" Guttu

Knapp Collection #: 569

Catalog #: 2019.9.9 

Contributor: Paul Knapp

The Guttu Offy Special has a miniature Offy engine that was scaled from drawings of the full-size original. It sports Ron’s custom made Winfield carburetors.

Handt 3-Cylinder Radial Aircraft Engine

Handt 3-Cylinder Radial Aircraft Engine

Craftsman: Erich Handt

Knapp Collection #: 191

Catalog #: 2011.27.15

Contributor: Paul Knapp 

In this design, Erich Handt used three carburetors—one for each cylinder. It runs on methanol with oil mixed in for lubrication.

Handt 5-Cylinder Radial Aircraft Engine

Handt 5-Cylinder Radial Aircraft Engine

Craftsman: Erich Handt

Knapp Collection #: 190

Catalog #: 2011.27.14

Contributor: Paul Knapp 

Erich Handt machined and constructed his first two-cycle engine in 1967, and his first successful four-cycle engine in 1971.

Hawk 40 Single-Cylinder Aircraft Engine

Hawk 40 Single-Cylinder Aircraft Engine

Craftsman: G. Punter

Knapp Collection #: 178

Catalog #: 2008.16.29

Contributor: Paul Knapp

The Hawk 40 aircraft engine has a 7/8-inch bore, 11/16-inch stroke, weighs about 14 ounces, and burns methanol on glow ignition.

HD Special Miniature .05 Powered Tether Car 

HD Special Miniature .05 Powered Tether Car 

Craftsman: Doug Parker

Knapp Collection #: 533

Catalog #: 2019.11.7

Contributor: Paul Knapp 

This handmade tether car was machined from solid aluminum and steel bar stock. It measures 7-5/8”-long, 2-7/8”-wide, 2-7/8”-high, and weighs 19.2 ounces.

Heinen 5-Cylinder Radial Engine 

Heinen 5-Cylinder Radial Engine 

Craftsman: Charles “Chuck” Harty

Knapp Collection #: 528

Catalog #: 2017.27.7

Contributor: Paul Knapp 

This Heinen 5-cylinder radial engine measures 10” in diameter, 7.5”-long, and weighs 10 pounds. The drawings for Jurgen Heinen’s radial were published in Strictly IC magazine in 1990.

Heinen Motore (HEMO) V4

Heinen Motore (HEMO) V4

Craftsman: Jurgen Heinen

Knapp Collection #: 164

Catalog #: 2008.10.48

Contributor: Paul Knapp

This V4 engine has a bore of 32 mm and a stroke of 28 mm with a total displacement of 20 cc. It burns methanol on glow ignition and spins a 20 x 8 propeller up to 14,000 rpm.

Henry Ford’s First Engine

Henry Ford’s First Engine

Craftsman: Butch Wilson

Knapp Collection #: 735

Catalog #: 2023.2.1

Contributor: Paul Knapp

Butch Wilson’s exquisite rendition of Henry Ford’s first engine, dubbed the “Kitchen Sink” engine. The engine measures about 36″-long, 15″-wide, 13″-high, and weighs about 36 lbs.

Hercules Twin-Cylinder Utility Engine 

Hercules Twin-Cylinder Utility Engine 

Craftsman: Charles “Chuck” Harty 

Knapp Collection #: 520

Catalog #: 2017.27.9 

Contributor: Paul Knapp 

This Hercules twin-cylinder utility engine was built by Charles Harty. Charles used castings and drawings provided by Bob Shores to complete the small utility engine.

Hodgeson 7-Cylinder Radial Airplane Engine

Hodgeson 7-Cylinder Radial Airplane Engine

Craftsman: Charles “Chuck” Harty

Knapp Collection #: 525

Catalog #: 2017.27.6

Contributor: Paul Knapp 

This Hodgeson 7-cylinder radial airplane engine measures 12” in diameter, 11”-long, and weighs 10 pounds 9 ounces.

Holt 75 Caterpillar Engine

Holt 75 Caterpillar Engine

Craftsman: Reinhold Krieger

Knapp Collection #: 77

Catalog #: 2008.16.12

Contributor: Paul Knapp

This model Holt 75 Caterpillar engine is 12”-long, 7”-wide, 10”-high, and weighs 15 lbs. The Holt 75 casting kit was first introduced by Cole’s Power Models.

Holt Caterpillar Tractor Engine 

Holt Caterpillar Tractor Engine 

Craftsman: Ron Schindele

Knapp Collection #: 696

Catalog #: 2022.8.7

Contributor: Paul Knapp

Ron Schindele’s extraordinary rendition of the well-known Holt Caterpillar engine sold by Cole’s Power Models. His custom wound dynamo puts out about 40 volts.

Horizontal 4-Stroke Stationary Engine

Horizontal 4-Stroke Stationary Engine

Craftsman: Roger Butzen

Knapp Collection #: 772

Catalog #: 2024.5.14

Contributor: Paul Knapp

This horizontal 4-stroke stationary engine was built by Roger Butzen.

Howell V-Twin Engine 

Howell V-Twin Engine 

Craftsman: Ramon Hoagland

Knapp Collection #: 694

Catalog #: 2022.8.5

Contributor: Paul Knapp

This Howell air-cooled V-twin engine was built by Ramon Hoagland. The engine is 18″-long, 11.5″-wide, 11″-high, and weighs 21 lbs.

Showing 20 of 391 exhibits.

Presented by The Joe Martin Foundation for Exceptional Craftsmanship