1/4 Scale 1931 Aeroneca E113 Aero Engine With Propeller

1/4 Scale 1931 Aeroneca E113 Aero Engine With Propeller

Craftsman: Les Chenery

Knapp Collection #: 451

Catalog #: 2016.8.28

Contributor: Paul Knapp

This 1/4 scale 1931 Aeroneca E113 aero engine measures 8-1/2″-long, 11″-wide, and 9″-high. It has a bore and stroke of 1-1/8″ for a total displacement of 2.2 cubic inches.

Miniature Cam Grinder

Miniature Cam Grinder

Craftsman: Ron Schindele

Knapp Collection #: 448

Catalog #: 2016.8.26

Contributor: Paul Knapp

The unique feature of Ron’s cam grinder is an indexing cog gear that automatically controls the down-feed of the grinding wheel at about .001 per revolution of the cam.

Four Atwood Crown Champion Model Engines

Four Atwood Crown Champion Model Engines

Craftsman: Bill Atwood

Knapp Collection #: 442, 443, 444, 445

Catalog #: 2016.8.24

Contributor: Paul Knapp

In 1939, Mr. Atwood designed his line of 10cc racing engines known as the Crown Champions to compete in the popular model racing circuits.

1/4 Scale Wright Brothers Flyer by Robert Cooper

1/4 Scale Wright Brothers Flyer by Robert Cooper

Craftsman: Robert Cooper

Catalog #: 2014.9.1

Contributor: Paul Knapp

This 1/4 scale  model Wright Brothers Flyer has a nearly 12′ wingspan, and is historically correct in every detail. It is one of two identical models built by Robert Cooper.

Pacifier V4 Water-Cooled Engine

Pacifier V4 Water-Cooled Engine

Craftsman: Bob Shores

Knapp Collection #: 438

Catalog #: 2016.8.22

Contributor: Paul Knapp

This “Pacifier” V4 water-cooled model engine is a mere 5.5″-wide, 6.5″-long, 6″-high, and weighs about 3 pounds. It has a bore and stroke of .625″ and burns gasoline on spark ignition.

Frisco Standard 1/4 Scale Marine Engine

Frisco Standard 1/4 Scale Marine Engine

Craftsman: Ron Schindele

Knapp Collection #: 435

Catalog #: 2016.8.21

Contributor: Paul Knapp

This is a 1/4 scale model of the 16 HP 2-cylinder Frisco Standard, built by the Standard Gas Engine Company of San Francisco, CA in the early 1900s.

A-bone Cox .049 Tether Car

A-bone Cox .049 Tether Car

Craftsman: Doug Parker

Knapp Collection #: 429

Catalog #: 2016.8.20

Contributor: Paul Knapp

The “A-bone” Cox .049 tether car is 7-3/4″-long and 3-1/8″-wide. The racer was machined from aluminum, brass, and steel bar stock.

Aluminum Casting Kit for Duesenberg Tether Car

Aluminum Casting Kit for Duesenberg Tether Car

Craftsman: Wayne Short

Knapp Collection #: 425A

Catalog #: 2016.8.19

Contributor: Paul Knapp

This Aluminum casting kit for a Duesenberg tether race car was designed and built by Wayne Short, of CA, in 2010.

Duesenberg Tether Car and Engine

Duesenberg Tether Car and Engine

Craftsman: Wayne Short

Knapp Collection #: 425

Catalog #: 2016.8.18

Contributor: Paul Knapp

This Duesenberg tether car and engine is about 10″-wide, 8″-high, and 21″-long. It sports a faithful reproduction of the Duesenberg .60 cubic inch engine.

Berger 2-Cycle Radial Engine

Berger 2-Cycle Radial Engine

Craftsman: Lee Berger

Knapp Collection #: 424

Catalog #: 2016.8.17

Contributor: Paul Knapp

This Berger 2-cycle radial aircraft engine is model 7455-11. It measures 11″ in diameter, 10″-long, sports K&B .61 cylinders and heads, and is designed to burn methanol on glow ignition.

“So What Speed Shop” OS Powered Tether Car

“So What Speed Shop” OS Powered Tether Car

Craftsman: Chris Garcia

Knapp Collection #: 421

Catalog #: 2016.8.16

Contributor: Paul Knapp

This aluminum tether car was custom-built by Chris Garcia for Ed Hegarty and sports Chris’s custom wire wheels. 

Pegasus R9-2800 Radial Engine

Pegasus R9-2800 Radial Engine

Craftsman: Authentic Scale

Knapp Collection #: 420

Catalog #: 2016.8.15

Contributor: Paul Knapp

The Pegasus R9-2800 radial aircraft engine was made by Authentic Scale, of the US, in 2014. This 1/5-scale engine measures about 11 inches in diameter and resembles the front half of a Pratt & Whitney R2800 Double Wasp radial engine.

’32 Ford Coupe Tether Car

’32 Ford Coupe Tether Car

Craftsman: Marshall Ziegert

Catalog #: 2016.8.14

Contributor: 419

This ’32 Ford tether car measures about 7 inches wide, 4.25 inches high, 13 inches long, and weighs 6.25 pounds.

Dragonfly Cox .049 Tether Car

Dragonfly Cox .049 Tether Car

Craftsman: Doug Parker

Knapp Collection #: 418

Catalog #: 2016.8.13

Contributor: Paul Knapp

The “Dragonfly” Cox .049 tether car measures about 3.25″-wide in front, 2.25″-wide in the rear, 2.625″-high, 12.25″-long, and weighs about 18 ounces.

Shovelnose Hydro Tether Boat With 2-Cylinder Engine

Shovelnose Hydro Tether Boat With 2-Cylinder Engine

Craftsman: Unknown

Knapp Collection #: 416

Catalog #: 2016.8.12

Contributor: Paul Knapp

This sleek looking hydro measures 11″-wide, 30.5″-long, and sports a custom built two-cylinder, two-cycle, alternate firing twin with a double throw crank.

Three Morton M1 Model Airplane Engines

Three Morton M1 Model Airplane Engines

Craftsman: Dennis Fadden, Bruce Satra

Knapp Collection #: 415, 87, 413

Catalog #: 2016.8.11a ; 2016.8.11b ; 2016.8.11c

Contributor: Paul Knapp

Three Morton M1 engines sit on a wooden display stand. Mr. Fadden designed several model engines that used Bruce Satra’s Morton castings.

Sprinter Cox .049 Tether Car

Sprinter Cox .049 Tether Car

Craftsman: Doug Parker

Knapp Collection #: 414

Catalog #: 2016.8.10

Contributor: Paul Knapp

The “Sprinter” Cox .049 tether car measures about 3-1/4″-wide and 7-1/4″-long with a 4-3/4″ wheelbase. It weighs 13.8 ounces.

Showing 20 of 704 exhibits.

Presented by The Joe Martin Foundation for Exceptional Craftsmanship