2-Cylinder Horizontal Steam Engine With Twin Flywheels
Craftsman: Unknown
Catalog #: 2011.11.1
Donor: Joe Kunkler
This twin flywheel engine features a complicated regulator mechanism within the flywheel and rotary valves.
2-Cylinder Opposed Model Airplane Engine
Craftsman: Barry Robinson
Knapp Collection #: 144
Catalog #: 2008.10.42
Contributor: Paul Knapp
This engine has a bore of 19 mm and a stroke of 19.2 mm for a total displacement of 10.9 cc. The cylinders have chrome plated brass liners, and the pistons have compression rings.
2-Cylinder Opposed Model Airplane Engine
Craftsman: Alphonse C. Vassallo
Knapp Collection #: 231
Catalog #: 2009.9.36
Contributor: Paul Knapp
This two-cylinder, four-cycle engine is completely machined from steel and aluminum bar stock, including Al’s custom-designed carburetor.
2-Cylinder Oscillating Steam Engine
Craftsman: Les Cade
Catalog #: 2011.4.10
Donor: Les Cade
The 2-cylinder, double-acting, reversible V-twin oscillating steam engine was machined from bar stock using Sherline miniature machine tools.
2-Cylinder Reversible Marine Steam Engine
Craftsman: Jack Randall
Catalog #: 2018.18.2
Donor: Katherine Randall
This 2-cylinder reversible marine steam engine is capable of running in either direction. It was built from a casting kit.
2-Cylinder Reversible Stirling Engine
Craftsman: Alphonse C. Vassallo
Knapp Collection #: 230
Catalog #: 2009.9.35
Contributor: Paul Knapp
This 2-cylinder reversible Stirling cycle engine is 21″-long, 8″-wide, 7″-high, and 12 lbs.
2-Cylinder Vertical Steam Engine
Craftsman: Alphonse C. Vassallo
Knapp Collection #: 228
Catalog #: 2009.9.33
Contributor: Paul Knapp
Stuart Models provided the castings for this model D10 vertical steam engine. The engine is 8.5″-long, 5″-wide, 6″-high, and weighs 4.5 lbs.
2/3 Scale Mini Weed Toy Steam Engine
Craftsman: Birk Petersen
Catalog #: 2016.15.40
Donor: Mark Petersen
This “Mini-Weed” is a 2/3 scale version of a Weeden toy brass steam engine with copper boiler.
252 Single-Cylinder Model Airplane Engine
Craftsman: Suevia
Knapp Collection #: 220
Catalog #: 2009.9.30
Contributor: Paul Knapp
The Suevia 252 single-cylinder model airplane engine was designed and built in the 1980s. The engine is 6”-long, 3.5”-wide, and 6”-high.
3-Cylinder Radial Model Airplane Engine
Craftsman: Unknown
Knapp Collection #: 175
Catalog #: 2008.16.28
Contributor: Paul Knapp
This radial engine features a single rocker box that houses both the intake and exhaust rockers, and uses only one large tube to enclose both pushrods.
3-Cylinder Radial Model Airplane Engine
Craftsman: 3W Engines
Knapp Collection #: 12
Catalog #: 2011.27.2
Contributor: Paul Knapp
This spark-ignition 2-cycle engine is composed of three single-cylinder engines geared together within one common crankcase.
3-Cylinder Radial Steam Engine
Craftsman: Rudy Kouhoupt
Donor: Susan Alvaro
This 3-cylinder radial steam engine can also be hooked up to run on compressed air.
3/10 Scale John Deere “E” 1.5 HP Stationary Engine
Craftsman: Bob Haagenson
Knapp Collection #: 447
Catalog #: 2016.8.25
Contributor: Paul Knapp
Among the many engines Bob Haagenson built is this 3/10 scale John Deere E 1.5 HP stationary engine kitted by Dinky Deeres.
3/4″-Scale Live Steam 4-6-4 Locomotive
Craftsman: Robert Earl "Toby" Rutherford
Catalog #: 2015.19.1
Contributor: Don Rutherford
Toby Rutherford built this coal burning steam engine from scratch using plans by Martin S. Lewis of “Little Engines.”
4-Cylinder, Water-Cooled Inline Boat Engine
Craftsman: Unknown
Knapp Collection #: 255
Catalog #: 2011.27.31
Contributor: Paul Knapp
This 4-cycle water-cooled marine engine burns methanol or gasoline on glow ignition and sports an electric starter.
4-Port Riley Model A Racing Engine
Craftsman: Ron Bement
Knapp Collection #: 498
Catalog #: 2016.44.9
Contributor: Paul Knapp
This 4-port Riley Model A racing engine OHV conversion measures 14″-wide, 13″-tall, 18.5″-long, and weighs 25 pounds.
426 Hemi Powered Cobra
Craftsman: Roger Butzen
Knapp Collection #: 783
Catalog #: 2024.5.19
Contributor: Paul Knapp
Roger Butzen built this 426 hemi powered Cobra and modified the miniature car to be operated by radio control.
5-Cylinder Diesel Radial Engine
Craftsman: Ronald Valentine
Knapp Collection #: 253
Catalog #: 2011.27.8
Contributor: Paul Knapp
This is perhaps the smallest Diesel radial engine in the world with a bore of only 5mm and a stroke of 5mm; total displacement of .49ccm.
5-Cylinder Radial Aircraft Engine
Craftsman: Roger Paul
Knapp Collection #: 254
Catalog #: 2011.27.32
Contributor: Paul Knapp
Mr. Paul used a few Morton M5 parts to construct three of these 5-cylinder radial engines between 1978-1981.
Showing 20 of 679 exhibits.