
K&B Infant Model Airplane Engine
Craftsman: K&B
Catalog #: 2008.19.2
Donor: Donald Holcomb
The K&B Infant model airplane engine.

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.

Kavan FK50 MKI 2-Cylinder, Opposed Miniature Airplane Engine
Craftsman: Franz Kavan
Knapp Collection #: 49
Catalog #: 2008.16.07
Contributor: Paul Knapp
This 2-cylinder miniature opposed airplane engine burns methanol on glow ignition. Later production engines became available with a shielded spark ignition.

King “741” 7-Cylinder Radial Airplane Engine
Craftsman: Stephen J. King
Knapp Collection #: 200
Catalog #: 2008.16.42
Contributor: Paul Knapp
This King “741” 7-cylinder, two-cycle, air-cooled radial airplane engine is similar in appearance to the “Gnome” rotary engines of WWI.

King “T85” 2-Cylinder, Air-Cooled Inline Engine
Craftsman: Stephen J. King
Knapp Collection #: 198
Catalog #: 2008.16.41
Contributor: Paul Knapp
Stephen J. King designed and built this two-cylinder engine in 2005. It has an open crankcase for visual effect while the engine is operating.

Kinner 5-Cylinder Radial Airplane Engine
Craftsman: Merritt Zimmerman
Knapp Collection #: 44
Catalog #: 2008.10.12
Contributor: Paul Knapp
Merritt Zimmerman designed, drafted, fabricated and tested this 1/4 scale model Kinner 5-cylinder radial engine.

Kinner Radial Model Airplane Engine
Craftsman: Charles “Chuck” Harty
Knapp Collection #: 523
Catalog #: 2017.27.8
Contributor: Paul Knapp
This Kinner radial model airplane engine was built using construction articles published in Strictly IC magazine. It has a 1.062 bore and a 1.312 stroke for a total displacement of 5.8 cubic inches.

Kitty Hawk Engine
Craftsman: Unknown
Knapp Collection #: 317
Catalog #: 2016.8.2
Contributor: Paul Knapp
This model Kitty Hawk engine was designed by Edgar T. Westbury, of England, in the 1940s. The actual builder is unknown.

Kunze 5-Cylinder Radial Model Airplane Engine
Craftsman: Fred Kunze
Knapp Collection #: 337
Catalog #: 2012.33.12
Contributor: Paul Knapp
The best-known model engine that Fred Kunze designed was the K-35, which was first produced in 1976. All of the K-35’s have two exhaust ports with both front and rear bypasses.

Kunze Single-Cylinder K-35 Model Airplane Engine
Craftsman: Fred Kunze
Knapp Collection #: 334
Catalog #: 2012.33.9
Contributor: Paul Knapp
The best-known model engine that Fred Kunze designed was the K-35, which was first produced in 1976. All of the K-35’s have two exhaust ports with both front and rear bypasses.

Kunze Single-Cylinder Model Airplane Engine
Craftsman: Fred Kunze
Knapp Collection #: 333
Catalog #: 2012.33.8
Contributor: Paul Knapp
The best-known model engine that Fred Kunze designed was the K-35, which was first produced in 1976. All of the K-35’s have two exhaust ports with both front and rear bypasses.

Kunze Single-Cylinder Model Airplane Engine
Craftsman: Fred Kunze
Knapp Collection #: 336
Catalog #: 2012.33.11
Contributor: Paul Knapp
The best-known model engine that Fred Kunze designed was the K-35, which was first produced in 1976. All of the K-35’s have two exhaust ports with both front and rear bypasses.

Kunze Single-Cylinder Model Airplane Engine
Craftsman: Fred Kunze
Knapp Collection #: 338
Catalog #: 2012.33.13
Contributor: Paul Knapp
The best-known model engine that Fred Kunze designed was the K-35, which was first produced in 1976. All of the K-35’s have two exhaust ports with both front and rear bypasses.

Kunze Single-Cylinder Model Airplane Engine
Craftsman: Fred Kunze
Knapp Collection #: 339
Catalog #: 2012.33.14
Contributor: Paul Knapp
The best-known model engine that Fred Kunze designed was the K-35, which was first produced in 1976. All of the K-35’s have two exhaust ports with both front and rear bypasses.

Kunze Twin-Cylinder Opposed Model Airplane
Craftsman: Fred Kunze
Knapp Collection #: 335
Catalog #: 2012.33.10
Contributor: Paul Knapp
The best-known model engine that Fred Kunze designed was the K-35, which was first produced in 1976. All of the K-35’s have two exhaust ports with both front and rear bypasses.

Le Rhone Rotary Aero Engine
Craftsman: Ray Williams
Knapp Collection #: 576
Catalog #: 2019.10.4
Contributor: Paul Knapp
Ray WIllliams built his Le Rhone 80 HP rotary aero engine to exact scale by using original factory drawings and parts from the full-size engine.

Lee .45 Model Airplane Engine
Craftsman: Clarence Lee
Catalog #: 2011.23.2
Donor: Dale Nutter
This Lee .45 model airplane engine is mounted on a wooden stand, serial No. 4506.

Lee .51 Model Airplane Engine
Craftsman: Clarence Lee
Catalog #: 2009.5.1
Donor: Jerry Nelson
This original Lee .51 model airplane engine is serial number 031, the second of ten that were built by Clarence Lee.

Magnum 182 V-Twin Model Airplane Engine
Craftsman: Peter Roffe and Brian Stammer
Knapp Collection #: 137
Catalog #: 2009.9.22
Contributor: Paul Knapp
Peter Roffe and Brian Stammer combined two-cylinder assemblies from their single-cylinder 91S to make this 90° V-twin 182.
Showing 20 of 262 exhibits.