Pratt & Whitney 28-Cylinder 4-Row Radial Engine

Pratt & Whitney 28-Cylinder 4-Row Radial Engine

Craftsman: Dennis Fadden

Knapp Collection #: 344

Catalog #: 2012.33.17

Contributor: Paul Knapp

This Pratt & Whitney 28-cylinder 4-row radial engine is 17”-long, 17”-wide, and 17”-high. It was designed to operate on gasoline and spark ignition, and sports a 12-inch, 3-blade adjustable pitch propeller.

Profi “DOHC 50” 4-Cylinder Inline Racing Engine

Profi “DOHC 50” 4-Cylinder Inline Racing Engine

Craftsman: Profi M. E.

Knapp Collection #: 237

Catalog #: 2011.27.20

Contributor: Paul Knapp 

This 50cc engine burns methanol on glow ignition and sports a pressure lubrication system. It measures 10″-long, 6″-wide, 6″-high, and weighs 2 lbs.

Profi Inline 35 Model Airplane Engine

Profi Inline 35 Model Airplane Engine

Craftsman: Profi M. E.

Catalog #: 2013.48.6

Contributor: Daniel "Buzz" Brunkow

Known as a “cam axial” engine, this Profi inline 35 has a very unusual mechanism for the pison to drive the propellor shaft. The piston is inline with the propeller shaft.

Profi Water-Cooled V-Twin Engine Display

Profi Water-Cooled V-Twin Engine Display

Craftsman: Dr. Bob Kradjian; Profi M. E.

Knapp Collection #: 575

Catalog #: 2019.10.3 

Contributor: Paul Knapp 

This Profi water-cooled V-twin engine display was put together by Dr. Bob Kradjian. It’s an early water-cooled Profi V-twin (circa 2000) that burns methanol on glow ignition.

Prototype Solar Flame Licker Engine

Prototype Solar Flame Licker Engine

Craftsman: M.G. "Woody" Woods

Catalog #: 2009.11.2

Donor: Les Cade

Twelve of these prototype Solar “flame licker” vacuum engines were built by M.G. “Woody” Woods, circa 1986.

Puddle Weld Sculptures

Puddle Weld Sculptures

Craftsman: Peter Renzetti 

Catalog #: 2018.37.1 ; 2018.37.2 ; 2018.37.3

Donor: Peter Renzetti 

To create his sculptures, Peter Renzetti used a jeweler’s oxy-acetylene torch to build melted puddles of welding rod drop on top of drop.

Pulsejet Engine

Pulsejet Engine

Craftsman: Robert "Larry" DeCou

Catalog #: 2015.42.1

Donor: Robert "Larry" DeCou

This pulsejet engine was custom-built by Robert “Larry” DeCou in his spare time while working as a machinist in the sheet metal and welding shops at Rohr Aircraft.

Purple Bedroom

Purple Bedroom

Craftsman: George & Judy Burke

Catalog #: 2019.22.3

Donor: Anthonly Burke

This small dollhouse room is called Purple Bedroom.

Putt Putt Steam Boat

Putt Putt Steam Boat

Craftsman: Unknown

Catalog #: 2017.6.1

Donor: Karlton Mack

This “Putt Putt” steam boat utilizes a simple method for creating power as an inexpensive toy.

Quadra .50 Single-Cylinder With 3:1 Belt Drive

Quadra .50 Single-Cylinder With 3:1 Belt Drive

Craftsman: Gilardoni

Catalog #: 2012.19.5

Donor: Joe Bridi

This engine built by an Indycar machinist known as “Cally” has a custom made 3:1 belt gearing system. It is marked “Gilardoni” in the cylinder casting. Joe Bridi donated a portion of his engine collection, along with some R/C aircraft, in July 2012. Mr. Bridi is a long-time champion R/C aircraft flyer. At one time […]

Quatrocycle Made From Watch Parts

Quatrocycle Made From Watch Parts

Craftsman: Dmitriy Khristenko

Knapp Collection #: 332

Catalog #: 2012.33.7

Contributor: Paul Knapp

Dmitriy Khristenko recycles parts from old wrist watches, pocket watches and eyeglasses to produce miniature motorcycles, quads, bicycles and tricycles.

Queen Mary 2 Ship Model

Queen Mary 2 Ship Model

Craftsman: Maritime Replicas

Catalog #: 2016.22.1 

Contributor: Kimberly Hogan 

After a voyage on the Queen Mary 2, passengers were offered the opportunity to purchase this professionally built model of the ship as a memento.

R/C English Canal Boat 

R/C English Canal Boat 

Craftsman: Carl Schwam 

Catalog #: 2017.9.2 

Contributor: Carl Schwam 

This miniature steamboat is modeled after an English Canal boat. The 50″-long boat is radio controlled.

R/C F1 Pylon Racer Aircraft Model

R/C F1 Pylon Racer Aircraft Model

Craftsman: Joe Martin

Catalog #: 2012.37.2

Donor: Joe Martin

This is a blue Formula 1 pylon racer model aircraft #77C, N26M with engine and propeller.

R/C Hydrofoil Racing Boat

R/C Hydrofoil Racing Boat

Craftsman: Bob Gregory

Catalog #: 2013.39.2

Contributor: David James

This model R/C racing boat is actually a hydrofoil with a single engine.

R/C Model “Ferret” Aircraft 

R/C Model “Ferret” Aircraft 

Craftsman: Allan Flowers 

Catalog #: 2016.19.1 

Donor: Allan Flowers 

Allan Flowers designed, built, and donated this R/C model of the LA-11 “Ferret” ground support aircraft. The model was featured on the cover of Radio Control Modeler magazine.

R/C Model Steamboat

R/C Model Steamboat

Craftsman: Roger Butzen

Knapp Collection #: 761

Catalog #: 2024.5.7

Contributor: Paul Knapp

This R/C model steamboat was built by Roger Butzen of Texas.

R/C SBD Dive Bomber 

R/C SBD Dive Bomber 

Craftsman: Mike Rapp

Catalog #: 2019.19.1 

Donor: Mike Rapp 

This radio-controlled SBD dive bomber airplane was built and donated by Mike Rapp. The dive bomber took about two years to build. 

R/C Steam Tug Fergus

R/C Steam Tug Fergus

Craftsman: William F. Brown 

Catalog #: 2014.33.1 

Donor: William F. Brown 

This live steam, radio controlled tugboat model, Fergus, is a hefty five feet long. It’s boiler is heated by propane and it has sailed many hours on the water around San Diego. 

Showing 20 of 1294 exhibits.

Presented by The Joe Martin Foundation for Exceptional Craftsmanship