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.
1/20 Scale Scratch-Built B-17G Fuselage
Craftsman: Martin Foster
Catalog #: 2022.1.1
Donor: Martin Foster
Martin Foster built this 1/20 scale B-17G “Fuddy Duddy” fuselage over the course of ten years. The full fuselage is 50-inches long and remarkably detailed.
1/24 Scale Diecast Model 1963 Studebaker Avanti
Craftsman: Franklin Mint
Donor: Michael Paul Smith
A 1/24 scale model diecast 1963 Studebaker Avanti produced by Franklin Mint.
1/3 Scale Gatling Gun
Craftsman: Birk Petersen
Catalog #: 2016.15.83
Donor: Mark Petersen
Along with Birk Petersen’s many engines and toys, the craftsman has also made several miniature firearms. Among them is this 1/3 scale Gatling gun on a tripod mount. It fires .22 caliber rounds. Mr. Petersen created a vast array of projects over his lifetime, ranging from miniature engines to hand-cranked animations and more. He built […]
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 Smith & Wesson Volcanic Pistol
Craftsman: David Kucer
Donor: The Joe Martin Foundation
This 1/3 scale miniature represents a groundbreaking design by the “Volcanic Repeating Arms Company.”
1/3 Scale Tadpole Mini-Tether Car
Craftsman: Ted Maciag
Knapp Collection #: 171
Catalog #: 2008.10.50
Contributor: Paul Knapp
The Tadpole is powered by a Cox .01 cubic inch engine with a 2:1 gear ratio driving the rear wheels. It runs on alcohol and 25% nitromethane for fuel.
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 1908 Case Steam Tractor
Craftsman: Birk Petersen
Catalog #: 2016.15.129
Donor: Mark Petersen
Birk completed his 1/4 scale 1908 Case 65 hp steam tractor in 1982. The boiler was tested to 475 psi.
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 Bentley BR-2 Propeller
Craftsman: Robert Cooper
Knapp Collection #: 39
Catalog #: 2009.9.03
Contributor: Paul Knapp
This scale model is based on the propeller used with a Bentley BR-2 rotary airplane engine in a World War I Sopwith Snipe airplane.
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.
1/4 Scale Cirrus Inline 4 Aero Engine
Craftsman: Butch Wilson
Knapp Collection #: 736
Catalog #: 2023.2.2
Contributor: Paul Knapp
Mr. Wilson machined and fabricated all components to produce this model. It measures 13.5″-long, 4.5″-wide, 9″-high, and weighs about 15 lbs.
1/4 Scale Cirrus Model Airplane Engine
Craftsman: Charles “Chuck” Harty
Knapp Collection #: 521
Catalog #: 2017.27.3
Contributor: Paul Knapp
This 1/4 scale Cirrus model airplane engine was designed by Merritt Zimmerman and built by Charles Harty. It measures about 12.5”-long, 9”-high, 4.3”-wide, and weighs 10 pounds.
1/4 Scale Cushman 711 Scooter
Craftsman: Daniel "Buzz" Brunkow
Catalog #: 2013.34.1
Contributor: Daniel "Buzz" Brunkow
This 1/4 scale model Cushman 711 scooter was built to a high level of detail, capturing the fun of an era when motorized two-wheel transportation was a little simpler.
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