Miniature Flash Steam Engine
Craftsman: Unknown
Knapp Collection #: 371
Catalog #: 2016.8.5
Contributor: Paul Knapp
The builder and date for this miniature flash steam engine are unknown. All of the castings are iron and have numbers on them indicating it might have been built from a kit.
Miniature Hit-n-Miss Engine
Craftsman: Phillip Duclos
Catalog #: 2015.11.1
Donor: Jon Harting
This miniature hit-n-miss engine is remarkably tiny and was featured in the book, The Shop Wisdom of Phillip Duclos.
Miniature Hit-n-Miss Engine
Craftsman: Phillip Duclos
Catalog #: 2015.11.2
Donor: Jon Harting
This tiny hit-n-miss engine was being built as a scaled down version of an engine that Mr. Duclos had previously made.
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.
Miniature Oscillating Steam Engine
Craftsman: Jerry Kieffer
Catalog #: 2008.3.1
Donor: Jerry Kieffer
Jerry Kieffer built this incredibly small oscillating steam engine. In fact, it is likely the smallest working steam engine in the world.
Miniature SJ7 Pulsejet Engine
Craftsman: Mike Early
Knapp Collection #: 40
Catalog #: 2008.10.10
Contributor: Paul Knapp
This miniature pulsejet engine operates exactly like the V1. It burns regular gasoline and has a variable thrust range from 1/2 to 6 1/2 pounds.
Miniature Steam Plant with Boiler and Two Steam Engines
Craftsman: Jack Randall
Catalog #: 2018.18.4
Donor: Katherine Randall
This miniature steam plant features a boiler and two small steam engines.
Miniature Turbocharger
Craftsman: Frank Kurz
Knapp Collection #: 261
Catalog #: 2011.27.33
Contributor: Paul Knapp
Frank Kurz machined this small turbocharger from aluminum and steel bar stock, and he tested the turbo on a small engine, but the test results are unknown.
Model 100 Electric Boiler With Steam Engine
Craftsman: California Technical Toy Company
Catalog #: 2012.41.1
Donor: The Les Cade Family Trust
This toy steam plant consists of an electrically heated boiler to produce steam to power a small steam engine.
Model 100 Steam Engine and Boiler
Craftsman: California Technical Toys
Catalog #: 2012.41.1
Donor: Cade Family Trust
This toy steam plant consists of an electrically heated boiler to produce steam to power a small engine.
Model Craftsman 4-Cycle Airplane Engine
Craftsman: Unknown
Knapp Collection #: 320
Catalog #: 2012.33.5
Contributor: Paul Knapp
This engine has a cast aluminum crankcase and cam box with a machined cast iron cylinder and head.
Model Jet Turbine Engine
Craftsman: Paul White
Catalog #: 2003.2.1
Donor: Paul White
Mr. White scratch-built this running jet engine in about one month without the use of CNC machining. A scale engine stand is included.
Model Pratt & Whitney Engine Casting
Craftsman: Paul Knapp
Knapp Collection #: 161
Contributor: Paul Knapp
Paul Knapp assembled castings for his model Pratt & Whitney R-985 Wasp Jr. engine (also on display), and then cut them in half as a visual aid.
Morton M-42 4-Cylinder Flathead Model Car Engine
Craftsman: Jim Hawk
Knapp Collection #: 158
Catalog #: 2008.10.47
Contributor: Paul Knapp
This Morton M-42 burns gasoline on spark ignition and will turn a 14-6 propeller in excess of 6,500 RPM. The engine is 9″-long, 5″-wide, and 5″-high.
Morton M5 5-Cylinder Radial Engine
Craftsman: Morton Aviation
Knapp Collection #: 18
Catalog #: 2009.9.01
Contributor: Paul Knapp
The Morton M5 5-cylinder radial engine was designed and built by Morton Aviation. The M5 was the first miniature radial engine made for model airplanes.
Morton M5 Radial Model Aircraft Engine (cutaway)
Craftsman: Dennis Fadden
Knapp Collection #: 20
Catalog #: 2008.10.8
Contributor: Paul Knapp
A Morton M5 radial model aircraft engine (cutaway). The engine is 7″-long, 6″-wide, and 7″-high.
MVVS 3209 2.5 cc Diesel Engine
Craftsman: MVVS
Catalog #: 2008.22.1
Donor: Robert Meltzer
This small MVVS .15 (2.5 cc) Diesel engine was made in Czechoslovakia, probably in the 1960s, and the brand has remained popular for those flying RC models in the “vintage” categories.
Mystery Engine
Craftsman: Unknown
Donor: Joe Martin
The crankcase of this unidentified engine appears to be custom machined from billet stock. The head may be from an existing engine.
Nano Bee Single-Cylinder Model Airplane Engine
Craftsman: Chris Hans Valentine and Ronald Valentine
Knapp Collection #: 274
Catalog #: 2011.27.7
Contributor: Paul Knapp
The Nano Bee measures merely 7/8 of an inch long with a bore and stroke of only 2mm, adding up to a total displacement of only .006cc.
Showing 20 of 651 exhibits.