Fadden Opposed Twin Model Airplane Engine
Craftsman: Dennis Fadden
Knapp Collection #: 165
Catalog #: 2011.27.12
Contributor: Paul Knapp
Bruce Satra’s (Morton) cylinder castings, carburetor, and distributor were used to produce this two-cylinder model airplane engine.
Fairbanks Morse Hit N’ Miss Engine
Craftsman: Jack Randall
Catalog #: 2018.18.1
Donor: Katherine Randall
This large model of a water-cooled, single-cylinder Fairbanks Morse hit n’ miss engine features an unusual radiator that pumps water through a pipe at the top.
Farm Boy Colorado
Craftsman: Butch Wilson
Knapp Collection #: 737
Catalog #: 2023.2.3
Contributor: Paul Knapp
The engine measures 10.75″-long, 6.9″-wide, 6″-high, and weighs about 13 lbs. It was machined completely from aluminum, brass, and steel bar stock.
Feeney Single-Cylinder 4-Cycle Model Engine
Craftsman: Unknown
Knapp Collection #: 227
Catalog #: 2011.35.7
Contributor: Paul Knapp
This Feeney single-cylinder model engine weighs about one pound. The engine castings were designed by Art Dekalb, but the builder is unknown.
Fitzpatrick .61 ABC Engine
Craftsman: The Fitzpatrick Brothers
Catalog #: 2010.9.4
Contributor: Joshua Vest
This 2-stroke, glow ignition, Schnuerle scavenged, ball bearing engine was designed by the Fitzpatrick Brothers, Charlie and Mike.
Flathead Water-Cooled Inline 4 Engine
Craftsman: Ron Schindele
Knapp Collection #: 600
Catalog #: 2019.33.4
Contributor: Paul Knapp
Ron designed and built this entire engine from scratch and finished it in 2015. It was machined from aluminum bar and round stock.
Ford Model A 4-Cylinder Engine
Craftsman: Profi M. E.
Knapp Collection #: 94
Catalog #: 2009.9.12
Contributor: Paul Knapp
This 1/5 scale replica of the 4-cycle, water-cooled engine in the famous Ford Model A of 1928 has a bore of .675″ and a stroke of .827″.
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
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.
Four K&B 7.5 Prototype Engines
Craftsman: K&B
Catalog #: 2012.23.1
Donor: Joe Bridi
These K&B prototype engines were used on a 4-engine model bomber. Two of them turn clockwise and the other two turn counter-clockwise.
Franklin 6-Cylinder Opposed Model Airplane Engine
Craftsman: Dennis Fadden
Knapp Collection #: 364
Catalog #: 2016.8.4
Contributor: Paul Knapp
Dennis Fadden decided to build a 1/4 scale model of his favorite full-size 150 horsepower Franklin aircraft engine. The cylinders were cast from his homemade patterns.
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
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.
G-Mark .30 5-Cylinder Radial Engine
Craftsman: G-Mark
Catalog #: 2010.19.3
Donor: Jerry Nelson
Built by G-Mark and donated by Jerry Nelson. The G-Mark .30 5-cylinder radial engine was made in Japan.
G63-V12 12-Cylinder Soda Gas (CO2) Engine
Craftsman: Stefan Gasparin
Knapp Collection #: 314
Catalog #: 2012.33.2
Contributor: Paul Knapp
The Gasparin G63-V12 12-cylinder soda gas (CO2) engine has a tank under the engine that receives a charge of CO2. The CO2 is liquid at ambient temperature at a vapor pressure of about 850 PSI.
Gannet Single-Cylinder Model Airplane Engine
Craftsman: Gannet Engineering
Knapp Collection #: 129
Catalog #: 2009.9.21
Contributor: Paul Knapp
The Gannet single-cylinder, four-cycle model airplane engine is 8”-long, 7”-wide, and 7”-high. This is one of only a few models equipped with a magneto.
Gasparin 18-Cylinder Radial CO2 Engine
Craftsman: Stefan Gasparin
Knapp Collection #: 288
Catalog #: 2011.32.8
Contributor: Paul Knapp
Stefan Gasparin designed and built over 60 variations of CO2 engines from 1 through 18-cylinders—including single-cylinder, inline, opposed flat, “V,” rotary, and radial configurations.
Gasparin 3-Cylinder Soda Gas (CO2) Radial Engine
Craftsman: Stefan Gasparin
Knapp Collection #: 286
Catalog #: 2011.32.6
Contributor: Paul Knapp
Stefan Gasparin designed and built over 60 variations of CO2 engines from 1 through 18-cylinders—including single-cylinder, inline, opposed flat, “V,” rotary, and radial configurations.
Gasparin 9-Cylinder Rotary CO2 Engine
Craftsman: Stefan Gasparin
Knapp Collection #: 287
Catalog #: 2011.32.7
Contributor: Paul Knapp
Stefan Gasparin designed and built over 60 variations of CO2 engines from 1 through 18-cylinders—including single-cylinder, inline, opposed flat, “V,” rotary, and radial configurations.
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