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.
1/2 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 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.
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 de Havilland Gipsy Inline Aero Engine
Craftsman: Phillip Duclos
Catalog #: 2013.50.5
Donor: George and Dorlene Root
This engine is based on the 1927 design for an aircraft engine to replace the Cirrus engine in the de Havilland DH.60 Moth biplane.
1/4 Scale Ferrari V-12 Engine
Craftsman: Bennie Vreeman
Knapp Collection #: 219
Catalog #: 2009.9.29
Contributor: Paul Knapp
This 1/4 scale Ferrari V-12 model auto engine is 12”-long, 8”-wide, and 6”-high. It has a bore of 1.160″ and a stroke of only .580″, yielding a total displacement of .609 cubic inches.
1/4 Scale Ford Model A Engine
Craftsman: Lee Root
Knapp Collection #: 103
Catalog #: 2009.9.16
Contributor: Paul Knapp
Lee Root produced this 1/4 scale replica of the 4-cylinder, water-cooled engine used in the famous Ford Model A automobile.
1/4 Scale Offenhauser 270 4-Cylinder Racing Engine
Craftsman: Jack Randall
Catalog #: 2018.18.3
Donor: Katherine Randall
This 1/4 scale Offenhauser 270 4-cylinder racing engine was built by Jack Randall using plans by Ron Colonna
1/4 Scale OFFY 270 Engine With Fuel Injection
Craftsman: Ron Bement
Knapp Collection #: 497
Catalog #: 2016.44.8
Contributor: Paul Knapp
This 1/4 scale “OFFY” 270 engine burns gasoline on spark ignition, sports a pressurized fuel system, has dry sump lubrication, and an aluminum radiator.
1/4 Scale Red Wing Stationary Engine
Craftsman: Tim Junk
Knapp Collection #: 531
Catalog #: 2017.27.4
Contributor: Paul Knapp
This 1/4 scale Red Wing stationary engine measures 14.5”-long, 9.5”-wide, and 13.5”-tall including the oiler and base. It has a bore of 1.25” and a stroke of 2”.
1/4 Scale Small Block Chevy V-8 Engine
Craftsman: Lee Root
Knapp Collection #: 102
Catalog #: 2009.9.15
Contributor: Paul Knapp
Lee Root machined 7075 aircraft grade aluminum to produce the crankcase, heads, rods and pistons for this Chevy Corvette small block V-8.
1/6 Scale 1932 Duesenberg SJ
Craftsman: Louis Chenot
Catalog #: 2013.51.1
Donor: Louis Chenot
Louis Chenot’s incredible 1/6 scale model 1932 Duesenberg SJ features a running straight-eight, 32-valve engine, working transmission with reverse, battery-powered operating lights, and more.
Showing 20 of 440 exhibits.