“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.
“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
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
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
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
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.
“Peanut” 1/2 Scale Cretors’ Popcorn Wagon Steam Engine
Craftsman: Birk Petersen
Catalog #: 2016.15.45
Donor: Mark Petersen
This is a model of the steam engine that would drive the peanut and popcorn making machines on Cretors vending wagons.
“Water Witch” Single-Cylinder Marine Engine
Craftsman: Dick Pretel
Knapp Collection #: 179
Catalog #: 2008.16.30
Donor: Paul Knapp
Dick Pretel modified the original “Water Witch” castings to create this custom machined version. The engine burns gasoline on spark ignition.
1-Cylinder, 4-Cycle Model Boat Motor
Craftsman: Henry Parohl
Knapp Collection #: 106
Catalog #: 2008.16.17
Contributor: Paul Knapp
This 1-cylinder, 4-cycle model boat motor is 5”-long, 4”-wide, and 4”-high.
1/12 Scale Model Trojan Runabout Wooden Boat
Craftsman: Robert Rattazzi
Catalog #: 2014.12.1
Contributor: Robert Rattazzi Jr.
This 1/12 scale wooden Trojan runabout with Mercury outboard motor was built by Robert Rattazzi, who modeled it after his own full-size Trojan.
1/2 Scale Maytag Engine
Craftsman: Birk Petersen
Catalog #: 2016.15.101
Donor: Mark Petersen
This single-cylinder Maytag engine was built at 1/2 scale.
1/2 Scale Olds Stationary Engine
Craftsman: Everett Kroll
Knapp Collection #: 149
Catalog #: 2009.9.24
Contributor: Paul Knapp
This 1/2 scale model Olds stationary engine was built by Everett Kroll in the 1990s. The engine is 16”-long, 13”-wide, and 14”-high.
1/3 Scale Miller Flathead Ford V8 (In Progress)
Craftsman: Ed Miller
Knapp Collection #: 481
Catalog #: 2016.8.33
Contributor: Paul Knapp
Ed Miller’s rendition of the early Ford V8 flathead has a bore of 1″, stroke of 1.25″, and will burn methanol on spark ignition.
1/3-Scale Red Wing Hit N’ Miss Engine
Craftsman: Paul Elsmore
Catalog #: 2011.15.1
Contributor: Paul Elsmore
This 1/3 scale Red Wing air-cooled “Thorobred” hit n’ miss engine has a bore of 1.5″ and a stroke of 2″. It runs on regular gasoline and uses a buzz coil as an ignition source.
1/4 Scale 1931 Aeroneca E113 Aero Engine With Propeller
Craftsman: Les Chenery
Knapp Collection #: 451
Catalog #: 2016.8.28
Contributor: Paul Knapp
This 1/4 scale 1931 Aeroneca E113 aero engine measures 8-1/2″-long, 11″-wide, and 9″-high. It has a bore and stroke of 1-1/8″ for a total displacement of 2.2 cubic inches.
1/4 Scale 3D-Printed Chevy Racing Engine
Craftsman: William "Bill" Gould
Catalog #: 2013.52.2
Donor: William Gould
This 1/4 scale model of a Chevrolet racing engine is an example of 3D printing. Note that details as fine as the ignition wires and linkages have been reproduced.
1/4 Scale 4-Engine Model Offshore Powerboat Racer
Craftsman: Bob Gregory
Catalog #: 2014.32.1
Contributor: David James
Appropriately named, “Ultimate,” this twin-cockpit boat was built as a concept model by Bob Gregory.
1/4 Scale Anzani 3-Cylinder Radial Aircraft Engine
Craftsman: Roger Butzen
Knapp Collection #: 69
Catalog #: 2008.16.10
Contributor: Paul Knapp
This 1/4 scale Anzani 3-cylinder radial aircraft engine runs on gasoline with spark ignition and pressurized lubrication system. The engine is 15”-long, 23”-wide, 12”-high, and weighs 14 lbs. 2 oz.
1/4 Scale Caminez 4-Cylinder Radial Aircraft Engine
Craftsman: Wally Warner
Knapp Collection #: 193
Catalog #: 2008.16.37
Contributor: Paul Knapp
This 1/4 scale Caminez 4-cylinder radial aircraft engine was designed and built by Wally Warner. The engine is 10″-long, 8″-wide, 9″-high, and weighs 7 lbs. 5 oz.
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