Hornet “R” .60 Model Airplane Engine
Craftsman: Victory Tool & Die
Catalog #: 2015.22.4
Donor: Tony Cina
This hornet “R” engine is Serial No. V6460. It has a bore of .940 and a stroke of .875 for a total displacement of .607 cubic inches.
HP .61 Engine Cutaway
Craftsman: Hirtenberger Patronen
Catalog #: 2010.19.7
Donor: Jerry Nelson
The Silver Star and Gold Cup engines are among some of last to be made in Austria before production was moved to the USA in 1990.
HP Gold Cup .40 Engine Cutaway #21
Craftsman: Hirtenberger Patronen
Catalog #: 2010.19.5
Donor: Jerry Nelson
This particular HP engine has a black Thermex coating and a muffler weight of 3.6 ounces.
HP Silver Star .40 Engine Cutaway #22
Craftsman: Hirtenberger Patronen
Catalog #: 2010.19.4
Donor: Jerry Nelson
This HP Silver Star cutaway model, one of four donated by Jerry Nelson, shows the engine’s internals.
HP Silver Star .61 Engine Cutaway #24
Craftsman: Hirtenberger Patronen
Catalog #: 2010.19.6
Donor: Jerry Nelson
The Silver Star and Gold Cup engines are among some of last to be made in Austria before production was moved to the USA in 1990.
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.
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 .48 Engine
Craftsman: K&B
Catalog #: 2012.19.8
Donor: Joe Bridi
This K&B .48 engine is a glow ignition with remote needle valve, square head. This one is #138 of 4,800 built. It has a gold anodized head and prop ring.
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 “Twist Head” .60
Craftsman: K&B
Catalog #: 2012.19.6
Donor: Joe Bridi
This K&B “Twist Head” .60 is a glow ignition engine from about 2002 that features a “Combo” pipe.
K&B 40 Model Airplane Engine
Craftsman: K&B
Catalog #: 2014.19.4
Donor: Joe Bridi
This K&B 40 model airplane engine features a tuned exhaust and some new parts in the original box.
K&B 61 Model Airplane Engine
Craftsman: K&B
Catalog #: 2014.19.5
Donor: Joe Bridi
This K&B 61 model airplane engine was donated by Joe Bridi.
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.
Showing 20 of 262 exhibits.