Engine Collection of Paul and Paula Knapp Archives - Page 19 of 20 - The Miniature Engineering Craftsmanship Museum

Three Hirtenberger Patronen VT21 Engines

Craftsman: Hirtenberger Patronen

Knapp Collection #: 396, 397, 398

Catalog #: 2016.8.6

Contributor: Paul Knapp

Three VT21 engines developed by Hirtenberger Patronen, Austria, are shown on a wooden display base. The prototype on the left was manually machined from aluminum and steel bar stock.

Three Morton M1 Model Airplane Engines

Craftsman: Dennis Fadden, Bruce Satra

Knapp Collection #: 415, 87, 413

Catalog #: 2016.8.11a ; 2016.8.11b ; 2016.8.11c

Contributor: Paul Knapp

Three Morton M1 engines sit on a wooden display stand. Mr. Fadden designed several model engines that used Bruce Satra’s Morton castings.

Titan Twin Engine

Craftsman: Ramon Hoagland

Knapp Collection #: 739

Catalog #: 2023.2.5

Contributor: Paul Knapp

This Titan Twin engine is 16″-long, 11″-wide, 8.5″-high, and weighs about 15 lbs.

TMN 4-Cycle, Sleeve-Valve Cutaway Engine

Craftsman: Petr Chvatal

Knapp Collection #: 251

Catalog #: 2011.27.29

Contributor: Paul Knapp

The TMN 4-cycle, sleeve-valve cutaway airplane engine was built by Petr Chvatal. After completing only 10 engines, Petr produced a couple of the cutaways to demonstrate its operation.

Trimble Prototype Single-Cylinder Engine

Craftsman: George Trimble

Knapp Collection #: 157

Catalog #: 2009.9.25

Contributor: Paul Knapp

George Trimble made his first engine in 1958. It’s an air-cooled, four-cycle single that burns gasoline on spark ignition.

Triscamp 3-Cylinder Miniature Radial Engine

Craftsman: Robert and Frances Washburn

Knapp Collection #: 62

Catalog #: 2008.10.19

Contributor: Paul Knapp

Mr. Washburn designed and fabricated eight of these tiny 3-cylinder, 2-cycle, methanol-burning radial engines by gearing together three individual engines into one housing.

Triscamp Engine

Craftsman: Robert and Frances Washburn

Knapp Collection #: 713

Catalog #: 2022.8.9

Contributor: Paul Knapp

Robert Washburn designed and fabricated eight of these miniature 3-cylinder, 2-cycle, methanol-burning Triscamp radial engines.

Twin-Column 2-Cylinder Self-Starting Steam Engine

Craftsman: Ramon Hoagland

Knapp Collection #: 666

Catalog #: 2021.9.4

Contributor: Paul Knapp

This twin-column 2-cylinder self-starting steam engine was made by Ramon Hoagland, of Colorado, in 2013.

U-22 Turbojet Model Aircraft Engine

Craftsman: Dennis Fadden

Knapp Collection #: 58

Catalog #: 2009.9.06

Contributor: Paul Knapp

Dennis Fadden built this model jet engine from plans that were most likely from the 1950s.

V-4 Stirling Cycle Engine

Craftsman: Alphonse C. Vassallo

Knapp Collection #: 233

Catalog #: 2009.9.38

Contributor: Paul Knapp

Among the numerous Stirling cycle engines that Al Vassallo designed and built is this large V-4 workhorse that he attached to a small generator and water pump.

V12 Air-Cooled OHV Model Boat Engine

Craftsman: Unknown

Knapp Collection #: 177

Catalog #: 2008.10.51

Contributor: Paul Knapp

This 60-degree, overhead valve V-12 engine was machined from billet aluminum (bar stock) with cast iron lined cylinders.

Valentine “Blitz” 1-Cylinder Diesel Engine

Craftsman: Ron Valentine

Knapp Collection #: 115

Catalog #: 2008.10.33

Contributor: Paul Knapp

The Valentine “Blitz” Diesel engine was designed and built by Ron Valentine. Mr. Valentine’s engines are among the smallest in the world.

Valentine “Rasant” 1-Cylinder Diesel Engine

Craftsman: Ron Valentine

Knapp Collection #: 116

Catalog #: 2008.10.34

Contributor: Paul Knapp

The Valentine “Rasant” Diesel engine is among the smallest in the world. The 2-cycle engine burns a special Diesel fuel that is less viscous and produces combustion when head and pressure are applied.

Valentine Mini Single Engine

Craftsman: Ronald Valentine

Knapp Collection #: 245

Catalog #: 2011.32.3

Contributor: Paul Knapp

The Valentine mini single-cylinder model airplane engine runs on methanol with glow ignition using custom made glow plugs.

Vega .61 4-Cycle, Side-Valve Model Airplane Engine

Craftsman: John Harbone

Knapp Collection #: 249

Catalog #: 2011.27.27

Contributor: Paul Knapp

The Vega .61 4-cycle, side-valve model airplane engine was built by John Harbone The engine was machined in small quantities from aluminum and steel bar stock

Vega 50 T 2-Cylinder Opposed Model Airplane Engine

Craftsman: J.C. Harbone

Knapp Collection #: 172

Catalog #: 2008.16.26

Contributor: Paul Knapp

This Vega 50 T is an 8.5 cc four-cycle, side-valve (or flat-head), two-cylinder aircraft engine that burns methanol (methyl alcohol) on glow ignition.