Hybrid Dragster Tether Car
Craftsman: Doug Parker
Knapp Collection #: 492
Catalog #: 2016.44.6
Contributor: Paul Knapp
The unique blend of power from a Cox .049 combined with the boost from an Estes A3-4T rocket motor is, perhaps, the ultimate in micro hybrid tether car racing.
Indian Silver Arrow 2-Cycle Outboard Boat Motor
Craftsman: Ted Maciag and Profi M. E.
Knapp Collection #: 252
Catalog #: 2011.27.30
Contributor: Paul Knapp
The Indian Silver Arrow is a two-cylinder, opposed, two-cycle, water-cooled engine that was rated at 10 HP.
International Harvester Screen-Cooled Stationary Engine
Craftsman: Everett Kroll
Knapp Collection #: 151
Catalog #: 2011.27.10
Contributor: Paul Knapp
A 1/4 scale model International Harvester screen-cooled stationary Hit N’ Miss engine.
International Harvester Stationary Engine
Craftsman: Everett Kroll
Knapp Collection #: 150
Catalog #: 2011.27.9
Contributor: Paul Knapp
A 1/4 scale model International Harvester hopper-cooled stationary Hit N’ Miss engine.
J E Special Tether Car
Craftsman: Doug Parker
Knapp Collection #: 578
Catalog #: 2019.10.5
Contributor: Paul Knapp
The J E Special tether car was designed and built by Doug Parker as a tribute to John Ellis; an accomplished tether car builder, racer, and engine designer/builder.
Jemma 7-Cylinder Radial Airplane Engine
Craftsman: Charles “Chuck” Harty
Knapp Collection #: 526
Catalog #: 2017.27.11
Contributor: Paul Knapp
Built from construction articles in Strictly IC Magazine, the engine is machined completely from bar stock; there are no castings. It is about 9-inches in diameter and 8-inches long.
JEMMA 7-Cylinder Radial Engine
Craftsman: Bob Haagenson
Knapp Collection #: 358
Catalog #: 2013.53.2
Contributor: Paul Knapp
The JEMMA 7-cylinder radial engine is 13”-long, 9”-wide, 10”-high, and weighs 11 lbs. 6 oz. It has a bore of .750 and stroke of .800.
Jenno 14 Single-Cylinder Model Airplane Engine
Craftsman: Larry Jenno
Knapp Collection #: 194
Catalog #: 2008.16.38
Contributor: Paul Knapp
Larry Jenno’s first homemade engine is this .14 cubic inch, single-cylinder, two-cycle model airplane engine. The engine is 3″-long, 2″-wide, 3″-high, and weighs 8 oz.
John .060 V-Twin Model Engines (Glow and Diesel)
Craftsman: Jan Garcic
Knapp Collection #: 572, 573
Catalog #: 2019.10.1
Contributor: Paul Knapp
These John .060 V-twin model engines were produced in very low quantities. Mr. Garcic geared together two of his .030 single-cylinder engines to produce these .060 “V” style twins.
John Deere Type “E” 1-1/2 HP Stationary Engine
Craftsman: Dettmar Industries
Knapp Collection #: 148
Catalog #: 2008.10.46
Contributor: Paul Knapp
This is a gasoline burning stationary (hit-n’-miss) engine with a 1.8-inch bore and 2-inch stroke, enclosed crankcase, and a make-and-break ignition system.
JPX-T240 Turbojet Model Aircraft Engine
Craftsman: Vibraye
Knapp Collection #: 46
Catalog #: 2009.9.05
Contributor: Paul Knapp
By 1992, commercially available miniature jet engines like this JPX-T240 began to appear on the market. This engine burns propane fuel and can produce up to 13 pounds of thrust.
JT 1800 9-Cylinder Radial Model Airplane Engine
Craftsman: John V. Thompson
Knapp Collection #: 145
Catalog #: 2008.10.43
Contributor: Paul Knapp
This 9-cylinder radial engine weighs 28 pounds and has a 1.25-inch (32 mm) bore and a 1-inch (24.8 mm) stroke with a total displacement of 10.8 cu. in. (180 cc).
Jupiter 220 2-Cylinder Opposed Airplane Engine
Craftsman: Farger & Joosten
Knapp Collection #: 68
Catalog #: 2009.9.08
Contributor: Paul Knapp
The Jupiter 220 2-cylinder opposed model airplane engine was manufactured by Farger & Joosten. The engine is 9”-long, 11”-wide, and 6”-high.
K-35 Single-Cylinder, Two-Cycle Model Airplane Engine
Craftsman: Fred Kunze
Knapp Collection #: 167
Catalog #: 2008.16.24
Contributor: Paul Knapp
Fred Kunze constructed and sold 39 of his model K-35 airplane engines. The K-35 has a 13/16-inch bore, 3/4-inch stroke, and burns methanol on glow ignition.
K&B “Ringed Piston” Prototypes
Craftsman: Lud Kading
Knapp Collection #: 619
Catalog #: 2019.33.17
Contributor: Paul Knapp
K&B advertised, but never actually produced a ringed .29 engine. Lud Kading built two experimental prototypes in 1947.
K&B Engines – Designs of Lud Kading
Craftsman: Lud Kading; Display by Tim and Betty Dannels
Knapp Collection #: 616
Catalog #: 2019.33.13
Contributor: Paul Knapp
This display portrays a brief history of Lud Kading’s .020 Infant, .035 Torpedo Jr., and his .049 Torpedo engine designs.
K&B Infant 20 in Dealer’s Display Box
Craftsman: K&B, Box by George Milano
Knapp Collection #: 617
Catalog #: 2019.33.15
Contributor: Paul Knapp
Perhaps one of the first boxes used for the K&B infant in the early 1950s is this unique die-cut box that folds into a display stand.
K&B Torpedo .24 Prototypes
Craftsman: Lud Kading
Knapp Collection #: 618
Catalog #: 2019.33.16
Contributor: Paul Knapp
These K&B Torpedo .24 prototypes were built by Lud Kading, of CA, in 1946-’47. The engines are glow and spark ignition.
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.
Showing 20 of 391 exhibits.