Page 47 – The Miniature Engineering Craftsmanship Museum

Reversible Hot Air Engine

Craftsman: Daniel L. Fountain

Catalog #: 2018.44.1

Donor: Daniel L. Fountain

This directionally reversible hot air engine was built and donated by Daniel L. Fountain.

Reversing Upright Steam Engine

Craftsman: Rudy Kouhoupt

Donor: Susan Alvaro

This reversing upright steam engine was designed for locations where floor space is limited.

Rider Ericsson Hot Air Engine

Craftsman: Roger Butzen

Knapp Collection #: 754

Catalog #: 2024.5.1

Contributor: Paul Knapp

This Rider Ericsson hot air engine was built by Roger Butzen of Texas.

Rider-Ericsson Hot Air Pump Engine

Craftsman: Bill Fowler

Catalog #: 2010.7.1

Donor: Les Cade

This 1/4-scale Rider-Ericsson hot air pump engine was made from castings by Myers Engine Works and then expertly machined and painted.

Riggle 1/4 Scale Midget Race Car

Craftsman: Jim Riggle

Knapp Collection #: 238

Catalog #: 2011.27.21

Contributor: Paul Knapp

This 1/4 scale Riggle midget race car was designed and built by Jim Riggle. Jim made the patterns and molds for the 4-cylinder, water-cooled, DOHC mono-block engine.

Riggle 4-Cylinder Inline Engine

Craftsman: Jim Riggle

Knapp Collection #: 695

Catalog #: 2022.8.6

Contributor: Paul Knapp

This Riggle 4-cylinder inline engine is 9.5″-long, 7″-wide, 7.5″-inches tall, and is mounted on a running stand that houses all necessary accessories to run and monitor the engine.

Riggle NOVI DOHC 1/4 Scale Sprint Car

Craftsman: Jim Riggle

Knapp Collection #: 300

Catalog #: 2011.32.14

Contributor: Paul Knapp

This 1/4 scale Novi V8 sprint car was designed and built by Jim Riggle, of North Dakota, in the mid-1980s. The model car is 37″-long, 16″-wide, and 12″-high. Jim used this sprint car as the test platform for his new model of the NOVI V8 engine.

Riley Whiting Winchester Wall Clock

Craftsman: Riley Whiting

Catalog #: 2011.11.4

Donor: Joe Kunkler

This weight-driven Winchester wall clock was built by Riley Whiting, and dates back to the 1800s.

Rimfire Spark Plug Prototypes

Craftsman: Paul Knapp

Knapp Collection #: 296

Catalog #: 2011.27.44

Contributor: Paul Knapp

These Rimfire spark plug prototypes were built by Paul Knapp in 1993. The first prototype is the surface-gap plug responsible for the “Rimfire” name and logo.