Continental C-85 Opposed Aircraft Engine

Continental C-85 Opposed Aircraft Engine

Craftsman: Dennis Fadden

Knapp Collection #: 54

Catalog #: 2008.16.08

Contributor: Paul Knapp

Dennis Fadden’s 1/4 scale Continental C-85 is a “true-to-scale” model of the full-size version that was commonly used in light aircraft during the post-World War II period—most notably in the Piper Cub.

Coombs Table Engine

Coombs Table Engine

Craftsman: Birk Petersen

Catalog #: 2016.15.96

Donor: Mark Petersen

Birk built this black Coombs table engine. It’s a taller engine with vertical slide.

Cooney .049 Diesel Model Airplane Engine

Cooney .049 Diesel Model Airplane Engine

Craftsman: Ralph Cooney

Catalog #: 2013.1.1

Donor: Ralph Cooney

This model Diesel airplane engine displaces just over .049 cubic inches or .81 cc. The bore is .335″ and the stroke is 0.50″.

Cooney .61 Engine (Rear Port, Cast-in Carburetor) 

Cooney .61 Engine (Rear Port, Cast-in Carburetor) 

Craftsman: Ralph Cooney

Catalog #: 2012.7.1 and 2012.7.2

Donor: Ralph Cooney

Ralph Cooney designed a number of experimental engines using the investment casting method. He cast the components using the lost wax method.

Cooney .61 Engine (Rear Port)

Cooney .61 Engine (Rear Port)

Craftsman: Ralph Cooney

Catalog #: 2012.7.3 and 2012.7.5

Donor: Ralph Cooney

Another rear exhaust port design, this one did not include a cast-in carburetor body. The rear exhaust port was angled upward and had a rotary restrictor plate.

Cooney .61 Engine (Side Port)

Cooney .61 Engine (Side Port)

Craftsman: Ralph Cooney

Catalog #: 2012.7.4

Donor: Ralph Cooney

This engine design of Ralph Cooney’s incorporates a side exhaust port with a T-shaped bypass and a two-piece crankcase.

Cooney .61 Mold and Wax Masters

Cooney .61 Mold and Wax Masters

Craftsman: Ralph Cooney

Catalog #: 2012.7.6 and 2012.7.7

Donor: Ralph Cooney

The molds shown here were made for the Cooney .61 side port engine. The cores must be made in pieces so they can be extracted at various angles from the wax master.

Cooney Bourke .09 Model Airplane Engine

Cooney Bourke .09 Model Airplane Engine

Craftsman: Ralph Cooney

Catalog #: 2013.2.1

Donor: Ralph Cooney

The Bourke engine was developed as a super-efficient, high power per weight engine for automobiles.

Copper Teapot Made From a Penny

Copper Teapot Made From a Penny

Craftsman: Unknown

Catalog #: 2016.31.1

Donor: Gregg Bunch

This extremely tiny copper teapot was formed using an old Indian Head penny.

Corliss Horizontal Steam Engine

Corliss Horizontal Steam Engine

Craftsman: Birk Petersen

Catalog #: 2016.15.37

Donor: Mark Petersen

Birk’s miniature Corliss horizontal steam engine. He made all the patterns and castings, and did all of the machining as well.

Corliss Steam Engine

Corliss Steam Engine

Craftsman: Ramon Hoagland

Knapp Collection #: 615

Catalog #: 2019.33.12

Contributor: Paul Knapp

This Corliss steam engine was made by Ramon Hoagland, of Colorado, in 2008.

Corner Tables Dollhouse

Corner Tables Dollhouse

Craftsman: Peggy Boggeln

Catalog #: 2015.25.18

Contributor: San Diego Miniature Crafters Assn.

This 1”:1’ scale miniature dollhouse scene was built by Peggy Boggeln and titled, “Corner Tables.”

COSWORTH DFV 1/3 Scale Formula 1 V8 Engine

COSWORTH DFV 1/3 Scale Formula 1 V8 Engine

Craftsman: Marcel Bouland

Knapp Collection #: 611

Catalog #: 2019.33.8

Contributor: Paul Knapp

This COSWORTH DFV 1/3 scale Formula 1 V8 engine has a bore of 1-inch and a stroke of .826-inch for a total capacity of 4.64 cubic inches.

Coupster Tether Car

Coupster Tether Car

Craftsman: Doug Parker

Knapp Collection #: 486

Catalog #: 2016.44.2

Contributor: Paul Knapp

The Coupster was machined from solid 6061 aluminum and measures 8-1/8″-long, 1-7/8″-wide, 2-5/8″-high, and weighs 16.5 ounces.

Cowboy Clubhouse Dollhouse

Cowboy Clubhouse Dollhouse

Craftsman: Peggy Boggeln

Catalog #: 2017.24.7

Contributor: San Diego Miniature Crafters Assn.

This unique dollhouse was built by Peggy Boggeln for a 1/4”-scale class as a NAME National Convention in Tucson, AZ.

Cox .020 Model Airplane Engine

Cox .020 Model Airplane Engine

Craftsmen: Leroy Cox, L.M. Cox Manufacturing

Catalog #: 2010.9.1

Donor: Joshua Vest

This Cox .020 model airplane engine is still in new condition in the original plastic box.

Cox .049 Baby Bee Engine

Cox .049 Baby Bee Engine

Craftsmen: Leroy Cox, L.M. Cox Manufacturing

Catalog #: 2008.20.1

Donor: Bill Holcomb

The Cox .049 “Baby Bee” model airplane engine with prop.

Showing 20 of 1294 exhibits.

Presented by The Joe Martin Foundation for Exceptional Craftsmanship