Clarke 2-Cylinder Trolling Boat Motor

Clarke 2-Cylinder Trolling Boat Motor

Craftsman: Profi M. E.

Knapp Collection #: 92

Catalog #: 2008.10.28

Contributor: Paul Knapp

Like the 1/3 scale Clarke 1-cylinder engine, the full-size version of this motor, a Clarke 2-cylinder, was originally manufactured in Michigan in the 1930s. It operates in the same manner, with the entire motor operating underwater to keep it cool while air is ducted down through the cast case.

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.

Eldon I 2636 6-Cylinder Model Boat Engine

Eldon I 2636 6-Cylinder Model Boat Engine

Craftsman: Eldon Dwyer

Knapp Collection #: 75

Catalog #: 2008.10.23

Contributor: Paul Knapp

After building a prototype from bar stock, Eldon Dwyer made the patterns and castings to produce this 6-cylinder model boat engine.

Electric Johnson 30 HP Model Outboard Motor

Electric Johnson 30 HP Model Outboard Motor

Craftsman: K&O

Catalog #: 2013.49.2

Contributor: Daniel "Buzz" Brunkow

These realistic electric outboard motors are from the 1950s and 1960s. Originally relatively inexpensive, they are now highly collectible and expensive if you can find one.

Electric Mercury 78A Model Outboard Motor

Electric Mercury 78A Model Outboard Motor

Craftsman: K&O

Catalog #: 2013.49.1

Contributor: Daniel "Buzz" Brunkow

These realistic electric outboard motors are from the 1950s and 1960s. Originally relatively inexpensive, they are now highly collectible and expensive if you can find one.

ELJO Single-Cylinder Model Marine Engine

ELJO Single-Cylinder Model Marine Engine

Craftsman: Unknown

Knapp Collection #: 209

Catalog #: 2011.27.16

Contributor: Paul Knapp 

This 15cc single-cylinder, water-cooled model boat engine is an OHV (overhead valve) 4-stroke designed to burn gasoline on a magneto spark ignition.

Elto Cub 1/3-Scale Outboard Boat Motor

Elto Cub 1/3-Scale Outboard Boat Motor

Craftsman: Ted Maciag

Knapp Collection #: 268

Catalog #: 2011.27.38

Contributor: Paul Knapp 

This 1/3 scale model Elto Cub outboard boat motor is a single-cylinder, water-cooled 2-cycle with a bore of about .375″ and stroke of about .330″.

Elto Pal Outboard Boat Motor

Elto Pal Outboard Boat Motor

Craftsman: Evinrude Light Twin Outboard Co.

Knapp Collection #: 292

Catalog #: 2011.27.42

Contributor: Paul Knapp 

This single-cylinder water-cooled motor is only 22″-tall, weighs about 14 pounds, and produces about 1 HP.

Evinrude F1 Model Outboard With OS .45 Engine

Evinrude F1 Model Outboard With OS .45 Engine

Craftsman: AMPS

Catalog #: 2013.49.7

Contributor: Daniel "Buzz" Brunkow

Included here are a Johnson F1 with a .65 OS engine (left), an Evinrude F1 with a .45 OS engine (center), and a Mercury EFI F1 with a .45 K&B powerplant (right). 

Fadden .010 Outboard Boat Motor

Fadden .010 Outboard Boat Motor

Craftsman: Dennis Fadden

Knapp Collection #: 130

Catalog #: 2008.16.21

Contributor: Paul Knapp

This is one of two miniature boat motors that Dennis Fadden machined from bar stock incorporating a Cox .010 engine.

Forster Brothers B99 Model Boat Engine

Forster Brothers B99 Model Boat Engine

Craftsman: The Forster Brothers

Catalog #: 2013.48.5

Contributor: Daniel "Buzz" Brunkow

This Forster Brothers B99 model boat engine was made in 1940. The engine was designed for use in model boats.

Four Atwood Crown Champion Model Engines

Four Atwood Crown Champion Model Engines

Craftsman: Bill Atwood

Knapp Collection #: 442, 443, 444, 445

Catalog #: 2016.8.24

Contributor: Paul Knapp

In 1939, Mr. Atwood designed his line of 10cc racing engines known as the Crown Champions to compete in the popular model racing circuits.

Frisco Standard 1/4 Scale Marine Engine

Frisco Standard 1/4 Scale Marine Engine

Craftsman: Ron Schindele

Knapp Collection #: 435

Catalog #: 2016.8.21

Contributor: Paul Knapp

This is a 1/4 scale model of the 16 HP 2-cylinder Frisco Standard, built by the Standard Gas Engine Company of San Francisco, CA in the early 1900s.

Fuji .061 Model Outboard Boat Engine

Fuji .061 Model Outboard Boat Engine

Craftsman: Fuji

Catalog #: 2013.48.1

Contributor: Daniel "Buzz" Brunkow

This single-cylinder Fuji .061 engine is considered to be among the rarest of the outboard gas engines made by Fuji. 

Indian Silver Arrow 2-Cycle Outboard Boat Motor

Indian Silver Arrow 2-Cycle Outboard Boat Motor

Craftsman: Ted Maciag and Profi M. E.

Knapp Collection #: 252

Catalog #: 2011.27.30

Contributor: Paul Knapp

The Indian Silver Arrow is a two-cylinder, opposed, two-cycle, water-cooled engine that was rated at 10 HP.

Johnson F1 Model Outboard With .65 OS engine

Johnson F1 Model Outboard With .65 OS engine

Craftsman: AMPS

Catalog #: 2013.49.6

Contributor: Daniel "Buzz" Brunkow

Included here are a Johnson F1 with a .65 OS engine (left), an Evinrude F1 with a .45 OS engine (center), and a Mercury EFI F1 with a .45 K&B powerplant (right). 

K&B 3.5 Model Outboard Motor

K&B 3.5 Model Outboard Motor

Craftsman: K&B

Catalog #: 2013.49.9

Contributor: Daniel "Buzz" Brunkow

Three different sized K&B model outboard motors are included in this collection. A 3.5 (red trim, left), a 7.5 (gold trim, center) and an 8.2 (Polished flywheel and gold prop, right). 

K&B 7.5 Model Outboard Motor

K&B 7.5 Model Outboard Motor

Craftsman: K&B

Catalog #: 2013.49.10

Contributor: Daniel "Buzz" Brunkow

Three different sized K&B model outboard motors are included in this collection. A 3.5 (red trim, left), a 7.5 (gold trim, center) and an 8.2 (Polished flywheel and gold prop, right). 

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Presented by The Joe Martin Foundation for Exceptional Craftsmanship