Custom Single-Cylinder .60 Model Aero Engine

Custom Single-Cylinder .60 Model Aero Engine

Craftsman: Charles “Chuck” Harty

Knapp Collection #: 518 

Catalog #: 2017.27.10

Contributor: Paul Knapp 

This custom single-cylinder .60 model aero engine measures about 5-1/5”-tall, 5”-wide, 6”-long, and weighs 2.5 pounds on the stand.

Custom Twin K&B Model Boat Engine

Custom Twin K&B Model Boat Engine

Craftsman: Daniel "Buzz" Brunkow

Catalog #: 2013.49.13

Contributor: Daniel "Buzz" Brunkow

This two-cylinder boat engine was custom built by Buzz by combining two K&B .40’s driving a single propeller shaft.

Custom-Built OS-MAX Twin Engine

Custom-Built OS-MAX Twin Engine

Craftsman: Richard Hoff

Catalog #: 2019.34.2

Donor: Richard Hoff

Richard Hoff made this 2-cylinder engine by combining two single-cylinder engines to create a horizontally opposed twin-cylinder.

Custom-Built Pulse Jet Engine

Custom-Built Pulse Jet Engine

Craftsman: Reggy Luycx

Knapp Collection #: 562

Catalog #: 2019.33.1

Contributor: Paul Knapp

This custom-built pulse jet engine was made by Reggy Luycx, BE, in 2005.

Custom-Built Webra 10 Twin Engine

Custom-Built Webra 10 Twin Engine

Craftsman: Richard Hoff

Catalog #: 2019.34.1

Donor: Richard Hoff

Richard Hoff has built a pair of custom 2-cylinder engines. He made these by combining two single-cylinder engines to create a horizontally opposed twin-cylinder.

Cylindrical Cam Stirling Engine

Cylindrical Cam Stirling Engine

Craftsman: Alphonse C. Vassallo

Knapp Collection #: 232

Catalog #: 2009.9.37

Contributor: Paul Knapp 

This cylindrical cam Stirling engine is a type of reciprocating engine that replaces the common crankshaft with a circular plate. The pistons press against the plate in sequence, forcing it to rotate around its center.

Cylindrical Rotary Engine

Cylindrical Rotary Engine

Craftsman: Alphonse C. Vassallo

Knapp Collection #: 234

Catalog #: 2009.9.39

Contributor: Paul Knapp 

This cylindrical rotary engine is 7″-long, 5″-wide, 3.5″-high, and weighs 5 lbs. Internally, the engine resembles a positive-flow (vane type) rotary pump.

de Havilland Gipsy I 4-Cylinder Inline Engine

de Havilland Gipsy I 4-Cylinder Inline Engine

Craftsman: Pat Loop

Knapp Collection #: 43

Catalog #: 2008.10.11

Contributor: Paul Knapp

Pat Loop handcrafted this 1/4 scale Gipsy engine right down to the spark plugs. It runs on gasoline with spark ignition.

Deezil .049 Engine

Deezil .049 Engine

Craftsman: Deezil

Catalog #: 2012.19.9

Donor: Joe Bridi

This small .049 Diesel engine is bolted onto a cast metal base. The engine was made in Eastern Europe.

Dennymite Engine Collection Display

Dennymite Engine Collection Display

Craftsman: Walter Righter; Display by James and Sally Duncan

Knapp Collection #: 660

Catalog #: 2021.9.2

Contributor: Paul Knapp

A collection of Dennymite engines on a display board.

DEW .51 Glow Plug Engine 

DEW .51 Glow Plug Engine 

Craftsman: DEW Corporation

Donor: Joe Martin

This glow plug engine was built by the DEW Corporation in the early 1960s. DEW stands for the initials of the owner, Dale E. Wood.

DH .40 Model Airplane Engine

DH .40 Model Airplane Engine

Craftsman: Metalurgica Miguel Devoto e Hijos S.A.I.C.

Catalog #: 2016.43.1

Donor: Daniel Gomez

This glow plug engine was manufactured by Metalurgica Miguel Devoto e Hijos S.A.I.C. in Buenos Aires, Argentina. It is new in the original wooden box.

DK-17 4-Cycle, Air-Cooled Model Airplane Engine

DK-17 4-Cycle, Air-Cooled Model Airplane Engine

Craftsman: Dietmar Kolb

Knapp Collection #: 267

Catalog #: 2011.27.37

Contributor: Paul Knapp 

The DK -17 4-cycle air-cooled model airplane engine was designed to burn methanol on glow ignition. It has a bore of 13.5mm and a stroke of 11.4mm for a total displacement of 1.63cc.

Dooling .61 (1948, S/N 2280) 

Dooling .61 (1948, S/N 2280) 

Craftsman: The Dooling Brothers

Donor: William R. Metzger 

The Dooling brothers not only mass-produced seven different race cars of their own design, but also developed and marketed one of the finest high-performance miniature racing engines: the Dooling .61.

Double Compound Elbow Engine 

Double Compound Elbow Engine 

Craftsman: Joe "Speedy" Sciarratta 

Catalog #: 2013.44.1 

Donor: Joe "Speedy" Sciarratta 

This double compound elbow engine has only five moving parts. Three pairs of pistons (each pair 90° between the two) move in holes in a round valve cylinder to drive the flywheel.

Doufour .04 Diesel Model Airplane Engine

Doufour .04 Diesel Model Airplane Engine

Craftsman: Ralph Cooney

Catalog #: 2011.33.1

Donor: Ralph Cooney

This beautifully made engine is a reproduction of a 1947 Diesel model airplane engine that was originally designed by Domenico Bornancin.

Duesenberg Tether Car and Engine

Duesenberg Tether Car and Engine

Craftsman: Wayne Short

Knapp Collection #: 425

Catalog #: 2016.8.18

Contributor: Paul Knapp

This Duesenberg tether car and engine is about 10″-wide, 8″-high, and 21″-long. It sports a faithful reproduction of the Duesenberg .60 cubic inch engine.

Dyna-Jet Pulse Jet Engine

Dyna-Jet Pulse Jet Engine

Craftsman: Dyna-Jet

Catalog #: 2018.25.1

Donor: Cliff Manzke

This Dyna-Jet pulse jet engine was donated by Cliff Manzke.

Dyna-Jet Pulse Jet Speed Plane

Dyna-Jet Pulse Jet Speed Plane

Craftsman: Unknown

Knapp Collection #: 491

Catalog #: 2016.44.5

Contributor: Paul Knapp

This Pulse Jet Speed Plane measures 24.5″-long, 19″-wide, 4.5″-high, and weighs 1 pound, 10-1/2 ounces dry. The fuselage is made from sheet brass that was formed and soldered together.

Showing 20 of 679 exhibits.

Presented by The Joe Martin Foundation for Exceptional Craftsmanship