“Sea Lion” 4-Cylinder Water-Cooled Marine Engine

“Sea Lion” 4-Cylinder Water-Cooled Marine Engine

Craftsman: Jim Hawk

Knapp Collection #: 124

Catalog #: 2008.10.35

Contributor: Paul Knapp

This tiny marine engine was designed and sold as a casting kit. Jim Hawk made several modifications to the original design to improve efficiency and performance.

“So What Speed Shop” OS Powered Tether Car

“So What Speed Shop” OS Powered Tether Car

Craftsman: Chris Garcia

Knapp Collection #: 421

Catalog #: 2016.8.16

Contributor: Paul Knapp

This aluminum tether car was custom-built by Chris Garcia for Ed Hegarty and sports Chris’s custom wire wheels. 

“Double Scotch” Scotch Yoke Steam Engine

“Double Scotch” Scotch Yoke Steam Engine

Craftsman: Roger Butzen

Knapp Collection #: 763

Catalog #: 2024.5.9

Contributor: Paul Knapp

This “Double Scotch,” Scotch Yoke steam engine was built in the mid-1990s by Roger Butzen.

“Eldon I 2636” 6-Cylinder Inline Model Boat Engine

“Eldon I 2636” 6-Cylinder Inline Model Boat Engine

Craftsman: Jim Hawk

Knapp Collection #: 189

Catalog #: 2008.10.52

Contributor: Paul Knapp

This engine is water-cooled (including the exhaust), sports a 120-degree crankshaft, and burns methanol on glow ignition. It measures 13″- long, 7″-wide, and 7″-high.

“Fill In” Steam Engine

“Fill In” Steam Engine

Craftsman: Birk Petersen

Catalog #: 2016.15.16

Donor: Mark Petersen

This one-cylinder vertical steam engine with a red flywheel was built by Birk as a “fill-in” project between other pieces.

“Fire Code”

“Fire Code”

Craftsman: Birk Petersen

Catalog #: 2016.15.57

Donor: Mark Petersen

Entitled “Fire Code,” Birk developed this tongue-in-cheek emergency device to be used in case of fire.

“First of 2012” Steam Engine

“First of 2012” Steam Engine

Craftsman: Birk Petersen

Catalog #: 2016.15.47

Donor: Mark Petersen

This was the first steam engine that Birk built in 2012, hence the name. It’s a 2-cylinder marine type engine with crankshaft on the bottom.

“Gannet” Single-Cylinder, Water-Cooled Marine Engine

“Gannet” Single-Cylinder, Water-Cooled Marine Engine

Craftsman: Gannet Engines; Modified by Dick Pretel

Knapp Collection #: 180

Catalog #: 2008.16.31

Contributor: Paul Knapp

Dick Pretel modified the popular Gannet marine engine to suit his performance demands. His newly designed head included four valves and an extra exhaust pipe for better breathing.

“Iron Maiden” Steam Traction Engine

“Iron Maiden” Steam Traction Engine

Craftsman: Stephen J. King

Knapp Collection #: 242

Catalog #: 2011.27.23

Contributor: Paul Knapp 

The “Iron Maiden” steam traction engine is a reversible double acting engine with a .4-inch bore, 1.25-inch stroke, and a 25:1 drive ratio with a clutch.

“Kitty Hawk” 4-Cylinder Inline Engine

“Kitty Hawk” 4-Cylinder Inline Engine

Craftsman: Lloyd Butler

Knapp Collection #: 57

Catalog #: 2008.10.17

Contributor: Paul Knapp

The engine used in the 1903 Wright brothers’ flyer was a 4-cylinder, 4-cycle, internal-combustion engine that lifted the world’s first airplane and its pilot into the sky in 1903. 

“Little Angel” Hit N’ Miss Engine

“Little Angel” Hit N’ Miss Engine

Craftsman: Roger Butzen

Knapp Collection #: 767

Catalog #: 2024.5.13

Contributor: Paul Knapp

This “Little Angel” hit n’ miss engine was originally designed by Bob Shores, and was built in 2000 by Roger Butzen.

Showing 20 of 1233 exhibits.

Presented by The Joe Martin Foundation for Exceptional Craftsmanship