Cox .75 5-Cylinder Radial Engine
Craftsman: Paul Daniels
Knapp Collection #: 26
Catalog #: 2011.27.5
Contributor: Paul Knapp
This Cox .75 radial aircraft engine is 7″-long, 8″-wide, 9″-high, and weighs 7 lbs. 8 oz. The “Cox .75” consists of five Cox .15 cubic-inch engines geared together.
Cox Tee Dee .09 Engine
Craftsmen: Leroy Cox, L.M. Manufacturing Company
Catalog #: 2012.23.2
Donor: Joe Bridi
This is the smallest of the Cox “Tee Dee” engine series. It turns up to 30,000 RPM with a 3 x 1.25 prop.
Cox Thimble Drome .049 Engine
Craftsman: Leroy Cox
Catalog #: 2012.29.3
Contributor: Andy Moore
This reed valve engine features a rear carburetor fed from a remote fuel tank rather than one attached to the engine. It is displayed with a cut-down 4-bladed propeller.
Craftsman Style House
Craftsman: Sharon Cariola
Catalog #: 2022.4.1
Donor: San Diego Miniature Crafters Association
This Craftsman style house was built entirely from scratch, including all the Stickley furnishings, light fixtures, and paintings.
Cretors Flyball Steam Engine
Craftsman: Ramon Hoagland
Knapp Collection #: 693
Catalog #: 2022.8.4
Contributor: Paul Knapp
This Cretors flyball steam engine was built by Ramon Hoagland.
Cretors Oscillating Steam Engine
Craftsman: Ramon Hoagland
Knapp Collection #: 692
Catalog #: 2022.8.3
Contributor: Paul Knapp
This Cretors oscillating steam engine was made by Ramon Hoagland.
Cretors Popcorn Wagon Engine
Craftsman: C. Cretors & Co.
Catalog #: 2011.4.17
Donor: Les Cade
The Cretors Company in Chicago invented the use of steam engines to pop popcorn and roast nuts in horse drawn vending wagons in the 1890s.
Cricket Tether Car
Craftsman: Doug Parker
Knapp Collection #: 549
Catalog #: 2019.9.2
Contributor: Paul Knapp
This tether car was designed by Doug Parker, and everything was custom-built around the tiny Cox .010 engine. It measures 5”-long with a 3-7/16” wheel base.
Curtiss NC-4 Flying Boat (1919)
Craftsman: William Tompkins
Catalog #: 2014.6.69
Contributor: William Tompkins
A 1/600 scale model of the Curtiss NC-4 flying boat (1919).
Curtiss OX-5 V8 Model Airplane Engine
Craftsman: Replica Engines
Knapp Collection #: 17
Catalog #: 2011.27.4
Contributor: Paul Knapp
This is a 1/4 scale miniature of the Curtiss OX-5 water-cooled V8 used in the standard Curtiss J.N. “Jenny” aircraft.
Curtiss P-40 Warhawk “Flying Tiger”
Craftsman: Ralph Sarosi
Catalog #: 2013.35.10
Donor: Joe Bridi
This wooden model Curtiss P-40 Warhawk has Chinese markings and the painted shark mouth as made famous by the “Flying Tigers” in Asia during WWII.
Curtiss P-6E Hawk Paper Airplane
Craftsman: Huntly Briggs
Catalog #: 2015.21.2
Donor: Huntly Briggs
This detailed paper airplane is modeled after a Curtiss P-6E Hawk.
Custom 2-Cylinder Steam Engine
Craftsman: Builder unknown; Restored by Ron Schindele
Knapp Collection #: 604
Catalog #: 2019.33.5
Contributor: Paul Knapp
This small steam engine measures 6-1/2-inches long (including the crankshaft), 2-7/8-inches wide, 7-inches tall, and sports a 3-inch flywheel.
Custom 2-Stroke Vapor Engine
Craftsman: Roger Butzen
Knapp Collection #: 764
Catalog #: 2024.5.10
Contributor: Paul Knapp
Roger Butzen built this custom 2-stroke vapor engine in the late 1990s.
Custom 5-Cylinder Radial Airplane Engine
Craftsman: Charles “Chuck” Harty
Knapp Collection #: 527
Catalog #: 2017.27.12
Contributor: Paul Knapp
Chuck’s custom 5-cylinder radial engine resembles the Morton M5 but measures 8” in diameter, 8”-long, and weighs 6 pounds 5 ounces on the base.
Custom Dynamometer
Craftsman: Jeff Crockett
Catalog #: 2020.7.1
Donor: Jeff Crockett
This custom made dynamometer was built by Jeff Crockett for measuring the output of a small Stirling engine.
Custom Engineered 2-Cylinder Hit N’ Miss Engine
Craftsman: Ramon Hoagland
Knapp Collection #: 546
Catalog #: 2017.27.2
Contributor: Paul Knapp
This custom engineered 2-cylinder hit n’ miss engine measures 11.5”-long, 8.5”-wide, 8”-high. It has a bore of 1” and a stroke of 1.5” for a total displacement of 2.4 cubic inches.
Custom Nose Landing Gear
Craftsman: Unknown
Catalog #: 2008.4.1
Donor: Bob Seigelkoff
This landing gear was machined for a large “stand-off” scale model of the P-61 Black Widow night fighter.
Custom Single-Cylinder .60 Model Aero Engine
Craftsman: Charles “Chuck” Harty
Knapp Collection #: 518
Catalog #: 2017.27.10
Contributor: Paul Knapp
This custom single-cylinder .60 model aero engine measures about 5-1/5”-tall, 5”-wide, 6”-long, and weighs 2.5 pounds on the stand.
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