Ross 2-Cylinder, 2-Cycle Target Drone Engine

Ross 2-Cylinder, 2-Cycle Target Drone Engine

Craftsman: Lou Ross

Knapp Collection #: 196

Catalog #: 2008.16.39

Contributor: Paul Knapp

Lou Ross designed and developed this large 3.5 cubic inch opposed twin for possible use as a target drone engine for military applications.

Ross 4-Cylinder, 2-Cycle Target Drone Engine

Ross 4-Cylinder, 2-Cycle Target Drone Engine

Craftsman: Lou Ross

Knapp Collection #: 197

Catalog #: 2008.16.40

Contributor: Paul Knapp

This is a 7.0 cubic inch opposed four-cylinder, two-cycle engine designed to power a target drone. It burns methanol on glow ignition.

Royer Model Airplane Engine

Royer Model Airplane Engine

Craftsman: Royer Motors

Knapp Collection #: 318

Catalog #: 2012.33.3

Contributor: Paul Knapp

This Royer model airplane engine is 7”-long and 7”-high. The engine has a .785 cu. in. displacement and consists of a sand cast crankcase, front cover, and spoke-fin head.

Ryan PT-22 “Recruit” Advanced Trainer

Ryan PT-22 “Recruit” Advanced Trainer

Craftsman: Ralph Sarosi

Catalog #: 2013.35.13

Donor: Joe Bridi

A wooden model Ryan PT-22 “Recruit” advanced trainer airplane (#18). This was the US Military’s first monoplane trainer.

Saito FA-120, 4-Cycle Cutaway Airplane Engine

Saito FA-120, 4-Cycle Cutaway Airplane Engine

Craftsman: Saito Engines

Knapp Collection #: 250

Catalog #: 2011.27.28

Contributor: Paul Knapp 

The Saito FA-120, 4-cycle cutaway model airplane engine was manufactured by Saito Engines of Japan, circa 2000.

Saloon Dollhouse 

Saloon Dollhouse 

Craftsman: George & Judy Burke 

Catalog #: 2019.14.1 

Donor: Anthonly Burke 

This dollhouse is fashioned after an old saloon. 

Satra “R-5” Model Radial Airplane Engine

Satra “R-5” Model Radial Airplane Engine

Craftsman: Bruce Satra

Knapp Collection #: 202

Catalog #: 2008.16.44

Contributor: Paul Knapp

Intrigued by the Morton M5, Bruce Satra built a more robust design which he dubbed the Satra R-5. The bore is .700 and stroke is .625, making the total displacement 1.2 cubic inches.

Satra 0-440, 4-Cylinder Opposed Model Airplane Engine

Satra 0-440, 4-Cylinder Opposed Model Airplane Engine

Craftsman: Bruce Satra

Knapp Collection #: 203

Catalog #: 2008.16.45

Contributor: Paul Knapp

This 0-440 differs from Bruce Satra’s first version in that it burns gasoline on spark ignition rather than methanol on glow ignition. The engine is 11″-long, 8″-wide, and 7″-high.

Saturn V Apollo 11 and Mobile Launch Unit

Saturn V Apollo 11 and Mobile Launch Unit

Craftsman: Jerome Griego

Catalog #: 2021.21.1

Donor: Lenore Griego

This Saturn V Apollo 11 rocket was made from a kit, but the detailed mobile launch unit (MLU) was completely scratch built.

Schillings 3-Cylinder (FAN) Engine

Schillings 3-Cylinder (FAN) Engine

Craftsman: Hubert Schillings

Knapp Collection #: 88

Catalog #: 2011.35.3

Contributor: Paul Knapp 

This 3-cylinder (fan-configuration) Dual Overhead Cam (DOHC) engine has all cylinders above the center line but uses a master rod and 2 articulating rods like a radial engine.

Schillings 4-Cylinder Inline DOHC Engine

Schillings 4-Cylinder Inline DOHC Engine

Craftsman: Hubert Schillings

Knapp Collection #: 73

Catalog #: 2008.16.11

Contributor: Paul Knapp

This engine, which was completed in 1975, is 11”-long, 6”-wide, 6”-high, and weighs 7 lbs. 2 oz. The 4-cylinder inline dual overhead cam (DOHC) engine has cylinders in a row vertical to the crankshaft.

Schillings 4-Cylinder Inline SOHC Engine

Schillings 4-Cylinder Inline SOHC Engine

Craftsman: Hubert Schillings

Knapp Collection #: 218

Catalog #: 2011.27.19

Contributor: Paul Knapp 

This 4-cylinder inline single overhead cam (SOHC) has cylinders in a row vertical to the crankshaft. The engine is 12″-long, 8″-wide, 6″-high, and weighs 5 lbs.

Schillings 6-Cylinder DOHC Engine

Schillings 6-Cylinder DOHC Engine

Craftsman: Rolf Luther

Knapp Collection #: 185

Catalog #: 2008.16.33

Contributor: Paul Knapp

This 6-cylinder inline Dual Overhead Cam (DOHC) design has cylinders laid out in a straight line with two camshafts that operate the valves.

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Presented by The Joe Martin Foundation for Exceptional Craftsmanship