“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.

“Water Witch” Single-Cylinder Marine Engine

“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

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 Olds Stationary Engine

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)

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

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

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 Anzani 3-Cylinder Radial Aircraft Engine

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

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

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 

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 Ferrari V-12 Engine

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

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 OFFY 270 Engine With Fuel Injection

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 

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

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.

Showing 20 of 449 exhibits.

Presented by The Joe Martin Foundation for Exceptional Craftsmanship