Berger 7-Cylinder Radial Model Airplane Engine 

Berger 7-Cylinder Radial Model Airplane Engine 

Craftsman: Lee Berger

Knapp Collection #: 47

Catalog #: 2008.10.13

Contributor: Paul Knapp

This is the first successful 2-cycle radial engine using a common crankshaft with a master rod and articulating rods inside a common crankcase.

Best Engine Trophy at Pantera International

Best Engine Trophy at Pantera International

Craftsman: Roger Butzen

Knapp Collection #: 777A

Catalog #: 2024.5.17

Contributor: Paul Knapp

Roger Butzen won the “Best Engine” trophy at the Pantera International Winter Expo in 2007 for his impressive miniature Challenger V8.

Bimba Steam Engine

Bimba Steam Engine

Craftsman: Birk Petersen

Catalog #: 2016.15.1a

Donor: Mark Petersen

This steam engine was designed using a Bimba air cylinder for the cylinder and piston.

Bing Toy Model Steam Engine

Bing Toy Model Steam Engine

Craftsman: Gebruder Bing Nurnberg

Catalog #: 2014.38.1

Contributor: Craig Libuse

Live steam powers this single-cylinder vertical steam engine to spin a flywheel that could be used to run a belt to power other toy equipment.

Birdhouse Dollhouse

Birdhouse Dollhouse

Craftsman: Jo Berbiglia

Catalog #: 2013.31.1

Donor: Jo Berbiglia

This tiny Birdhouse dollhouse was built at a scale of 1/4“=1’ and features some bunnies in the yard.

Bleriot XI Airplane

Bleriot XI Airplane

Craftsman: Ellsworth Orr

Catalog #: 2021.16.1

Contributor: Ellsworth Orr

This unique Bleriot XI airplane model was built by Ellsworth Orr.

Blonde Wooden Greek Urn With Lid

Blonde Wooden Greek Urn With Lid

Craftsman: Eckhard Fadtke

Catalog #: 2019.17.7

Donor: Eckhard Fadtke

Eckhard Fadtke handmade this blonde wooden Greek urn with an accompanying lid.

Boat in a Bulb 

Boat in a Bulb 

Craftsman: Howard Griffus 

Catalog #: 2017.29.1

Donor: Howard Griffus

Howard Griffus, a retired shipwright from San Diego, wanted to see if he could put a tiny boat in an old automotive lightbulb.

Bobber V-Twin Custom Motorcycle

Bobber V-Twin Custom Motorcycle

Craftsman: Stephen J. King

Knapp Collection #: 412

Catalog #: 2016.8.9

Contributor: Paul Knapp

This Bobber V-twin custom motorcycle measures just 13″-long. It’s powered by a custom-built 7cc side-valve 120-degree V-twin.

Boeing B-17

Boeing B-17

Craftsman: Ralph Sarosi

Catalog #: 2013.35.9

Donor: Joe Bridi

This wooden model Boeing B-17 has a “U” emblem on the tail and is #483514.

Bottle Washing Engine

Bottle Washing Engine

Craftsman: Birk Petersen

Catalog #: 2016.15.32

Donor: Mark Petersen

In this clever invention, a steam engine drives a bottle brush in and out of a bottle neck for cleaning.

Boxer 2-Cylinder Opposed Aircraft Engine

Boxer 2-Cylinder Opposed Aircraft Engine

Craftsman: Unknown

Knapp Collection #: 154

Catalog #: 2008.16.23

Contributor: Paul Knapp

The maker of this Boxer 2-cylinder opposed aircraft engine is unknown, but it came from Germany. The engine is 9”-long, 9”-wide, and 7”-high.

Brass Horizontal Steam Engine

Brass Horizontal Steam Engine

Craftsman: Birk Petersen

Catalog #: 2016.15.117

Donor: Mark Petersen

Birk Petersen built this small brass single-cylinder horizontal steam engine, including all the castings. Mr. Petersen created a vast array of projects over his lifetime, ranging from miniature engines to hand-cranked animations and more. He built functional miniatures like a 1/3 scale Gatling gun or a 1/4 scale Case steam tractor, but he also built […]

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Presented by The Joe Martin Foundation for Exceptional Craftsmanship