Wall 4-Cylinder Water-Cooled Engine

Wall 4-Cylinder Water-Cooled Engine

Craftsman: Russell Anderson

Catalog #: 2019.21.11 

Contributor: Steve Anderson

Several engines built by Russell Anderson, including this Well 4-cylinder 50cc water-cooled engine, are on display in the Miniature Engineering Craftsmanship Museum.

Wall Duplex Mariner

Wall Duplex Mariner

Craftsman: Elmer A. Wall

Knapp Collection #: 79

Catalog #: 2008.16.13

Contributor: Paul Knapp

This Duplex Mariner engine, circa 1940-41, is 9”-long, 6”-wide, and 8”-high.

Wall F Head Inline 4-Cylinder Engine

Wall F Head Inline 4-Cylinder Engine

Craftsman: Dick Pretel

Knapp Collection #: 592

Catalog #: 2019.11.5 

Contributor: Paul Knapp 

This highly modified Wall F Head inline 4-cylinder sports a side-valve exhaust and an overhead valve intake system.

Wall OHV Inline 4-Cylinder Engine

Wall OHV Inline 4-Cylinder Engine

Craftsman: Dick Pretel

Knapp Collection #: 590

Catalog #: 2019.11.3

Contributor: Paul Knapp 

This Wall OHV inline 4-cylinder engine was made by Dick Pretel. All of the components, other than the crankcase, were machined from 7075 aluminum, steel, stainless steel, and thermoplastic.

Wall Wizard Engine Casting Kit

Wall Wizard Engine Casting Kit

Craftsman: Elmer Wall

Catalog #: 2011.29.1

Donor: Fred Zimmerman

An unfinished casting kit for a Wall Wizard engine, which was designed and produced by Elmer Wall.

Wall Wizard Water-Cooled 4-Cycle Model Boat Engine

Wall Wizard Water-Cooled 4-Cycle Model Boat Engine

Craftsman: Dick Pretel

Knapp Collection #: 262

Catalog #: 2011.27.34

Contributor: Paul Knapp 

Mr. Pretel built this engine from a standard Wall Wizard casting kit, but modified the cylinders for water cooling instead of air.

Wankel (Mazda Type) Rotary Engine

Wankel (Mazda Type) Rotary Engine

Craftsman: Henry Parohl

Knapp Collection #: 123

Catalog #: 2008.16.19

Contributor: Paul Knapp

This Wankel (Mazda type) rotary engine is a two-cycle that burns gasoline with oil mixed in for lubrication. The engine is 6”-long, 7”-wide, and 6”-high.

Wankel Engine Demonstration Model 

Wankel Engine Demonstration Model 

Craftsman: Ingersoll Rand 

Catalog #: 2012.9.1 

Donor: Louis Chenot 

This small model demonstrates how a 2-rotor Wankel rotary engine functions. 

Warner Large Scale 5-Cylinder Radial Aircraft Engine

Warner Large Scale 5-Cylinder Radial Aircraft Engine

Craftsman: Wally Warner

Knapp Collection #: 214

Catalog #: 2011.27.18

Contributor: Paul Knapp 

It took Mr. Warner about two years to produce the molds, the aluminum castings, and to machine all the parts to build this 5-cylinder radial aircraft engine.

Wasp Jr. Single-Cylinder Model Airplane Engine

Wasp Jr. Single-Cylinder Model Airplane Engine

Craftsman: Bruce Satra

Knapp Collection #: 186

Catalog #: 2008.16.34

Contributor: Paul Knapp

Bruce Satra combined a Wasp Jr. cylinder assembly to a crankcase he machined from billet to produce this single-cylinder Wasp Jr. engine.

Webra Speed .91 RC Engine

Webra Speed .91 RC Engine

Craftsman: Webra Modellbau GMBH

Donor: Joe Martin

This Webra Speed .91 RC engine has had very limited use. The P5 version of the engine is still in production.

Weeden #672 Toy Steam Engine and Boiler

Weeden #672 Toy Steam Engine and Boiler

Craftsman: Weeden

Catalog #: 2011.26.1

Contributor: Judith Haxo

The boiler of this Weeden engine is heated by electricity rather than the usual alcohol flame, making it a marginally safer toy in the 1930s.

Western Digital Formula 1 Race Car

Western Digital Formula 1 Race Car

Craftsman: Rob Ryan

Catalog #: 2017.22.1

Contributor: Rob Ryan

This unique model Formula 1 car was made entirely from the components of 250 hard drives, aside from the wheels and tires.

Showing 20 of 1189 exhibits.

Presented by The Joe Martin Foundation for Exceptional Craftsmanship