K&B 8.2 Model Outboard Motor

K&B 8.2 Model Outboard Motor

Craftsman: K&B

Catalog #: 2013.49.11

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). 

Kalfus Designed 10cc (.60ci) Tether Boat Engine

Kalfus Designed 10cc (.60ci) Tether Boat Engine

Craftsman: Ed Kalfus

Knapp Collection #: 375

Catalog #: 2013.53.5

Contributor: Paul Knapp

This 10cc (.60ci) tether boat engine is 5”-long, 3.5”-wide, 5.5”-high, and weighs 1 lb. 10 oz. The small brass carburetor in the back is set to run the engine at low speed.

Kalfus Designed 30cc (.18ci) Tether Boat Engine

Kalfus Designed 30cc (.18ci) Tether Boat Engine

Craftsman: Ed Kalfus

Knapp Collection #: 361

Catalog #: 2013.53.3

Contributor: Paul Knapp

The Kalfus designed 30cc (.18ci) tether boat engine is 9”-long, 4.5”-wide, 7”-high, and weighs 4 lbs. 6 oz. The air-cooled engine burns methanol on glow ignition

Magpie 2-Cycle Marine Engine

Magpie 2-Cycle Marine Engine

Craftsman: Gerald Smith

Knapp Collection #: 302

Catalog #: 2011.35.9

Contributor: Paul Knapp

The Magpie 2-cycle marine engine is a ducted fan air-cooled marine engine. It is a 15cc spark ignition engine developed for model boats.

Mercury EFI Model Outboard With K&B .45 engine

Mercury EFI Model Outboard With K&B .45 engine

Craftsman: AMPS

Catalog #: 2013.49.8

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). 

Miller 2-Cylinder, 2-Cycle Race Engine

Miller 2-Cylinder, 2-Cycle Race Engine

Craftsman: Ed Miller

Knapp Collection #: 480

Catalog #: 2016.8.32

Contributor: Paul Knapp

Made from a pair of modified “weed-eater” engines, this 2-cylinder racing engine was slated to power a model speed boat.

Miller DOHC Water-Cooled 2-Cylinder Race Engine

Miller DOHC Water-Cooled 2-Cylinder Race Engine

Craftsman: Ed Miller

Knapp Collection #: 478

Catalog #: 2016.8.30

Contributor: Paul Knapp

Suitable for a radio-controlled car or boat, Ed Miller’s first engine is this dual-overhead-cam (DOHC) single with a bore of 1″ and a stroke of 1.25″. 

Miniature .020 Outboard Motor

Miniature .020 Outboard Motor

Craftsman: Daniel "Buzz" Brunkow

Catalog #: 2013.41.2

Contributor: Daniel "Buzz" Brunkow

Daniel Brunkow custom built this .020 outboard boat motor based on a Cox engine.

Miniature Model Ski Boat With Outboard Engine

Miniature Model Ski Boat With Outboard Engine

Craftsman: Daniel "Buzz" Brunkow

Catalog #: 2013.41.1

Contributor: Daniel "Buzz" Brunkow

Daniel Brunkow built this miniature wooden model flatbottom ski boat with a tiny outboard engine attached. The mahogany boat is only about 6″ long.

Neptune AA1 Outboard Boat Motor

Neptune AA1 Outboard Boat Motor

Craftsman: Muncie Gear Works

Knapp Collection #: 352

Catalog #: 2012.33.19

Contributor: Paul Knapp

The Neptune AA1 outboard boat motor is a 1.7 HP model. It’s a water-cooled, two-cycle gas burner that measures barely 23-inches tall.

Otter 30 Inline 4-Cylinder Boat Engine

Otter 30 Inline 4-Cylinder Boat Engine

Craftsman: Dr. Haydock

Knapp Collection #: 42

Catalog #: 2009.9.04

Contributor: Paul Knapp 

Dr. Haydock designed single-cylinder, 2-cylinder and 4-cylinder engines for model boats. He built a handful of these Otter 30 cc engines from his own patterns and castings.

Paddle Wheel Engine

Paddle Wheel Engine

Craftsman: Birk Petersen

Catalog #: 2016.15.5

Donor: Mark Petersen

This riverboat paddle wheel is driven by a dual horizontal steam engine—all built by Birk.

Parohl Single-Cylinder OHV Model Boat Engine

Parohl Single-Cylinder OHV Model Boat Engine

Craftsman: Henry Parohl

Knapp Collection #: 125

Catalog #: 2008.16.20

Contributor: Paul Knapp

To gain efficiency and performance Henry Parohl installed 4 valves in the head of this model boat engine. The engine is 9”-long, 9”-wide, and 10”-high.

Shovelnose Hydro Tether Boat With 2-Cylinder Engine

Shovelnose Hydro Tether Boat With 2-Cylinder Engine

Craftsman: Unknown

Knapp Collection #: 416

Catalog #: 2016.8.12

Contributor: Paul Knapp

This sleek looking hydro measures 11″-wide, 30.5″-long, and sports a custom built two-cylinder, two-cycle, alternate firing twin with a double throw crank.

Single-Cylinder Marine Gas Engine

Single-Cylinder Marine Gas Engine

Craftsman: Bill Fowler

Catalog #: 2011.4.7

Donor: Les Cade

This single-cylinder marine gas engine was built by Bill Fowler. This particular water-cooled engine features an Amal motorcycle carburetor.

Skylark 2-Cycle Marine Engine

Skylark 2-Cycle Marine Engine

Craftsman: Gerald Smith

Knapp Collection #: 301

Catalog #: 2011.35.8

Contributor: Paul Knapp

The Skylark 2-cycle marine engine was designed and built by Gerald Smith, of the UK. Mr. Smith manufactured over 300 engines from 1922 to the mid-1980s.

Sorrel 2-Cylinder Inline Model Boat Engine

Sorrel 2-Cylinder Inline Model Boat Engine

Craftsman: Col. James Sorrel

Knapp Collection #: 275

Catalog #: 2011.27.40

Contributor: Paul Knapp 

Col. James Sorrel utilized commercial piston and cylinder assemblies to produce his custom-built 2-cylinder racing engines.

Showing 20 of 67 exhibits.

Presented by The Joe Martin Foundation for Exceptional Craftsmanship