Conley “427” V8
Craftsman: Gary Conley
Knapp Collection #: 315
Catalog #: 2011.35.10
Contributor: Paul Knapp
In 1988-89, Gary Conley fabricated the molds and patterns to produce a casting kit for this 4.27 cubic inch V8 and made it available in several variations.
COSWORTH DFV 1/3 Scale Formula 1 V8 Engine
Craftsman: Marcel Bouland
Knapp Collection #: 611
Catalog #: 2019.33.8
Contributor: Paul Knapp
This COSWORTH DFV 1/3 scale Formula 1 V8 engine has a bore of 1-inch and a stroke of .826-inch for a total capacity of 4.64 cubic inches.
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.
Ford Model A 4-Cylinder Engine
Craftsman: Profi M. E.
Knapp Collection #: 94
Catalog #: 2009.9.12
Contributor: Paul Knapp
This 1/5 scale replica of the 4-cycle, water-cooled engine in the famous Ford Model A of 1928 has a bore of .675″ and a stroke of .827″.
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.
Guttu Offy Special
Craftsman: George "Ron" Guttu
Knapp Collection #: 569
Catalog #: 2019.9.9
Contributor: Paul Knapp
The Guttu Offy Special has a miniature Offy engine that was scaled from drawings of the full-size original. It sports Ron’s custom made Winfield carburetors.
Holt Caterpillar Tractor Engine
Craftsman: Ron Schindele
Knapp Collection #: 696
Catalog #: 2022.8.7
Contributor: Paul Knapp
Ron Schindele’s extraordinary rendition of the well-known Holt Caterpillar engine sold by Cole’s Power Models. His custom wound dynamo puts out about 40 volts.
Howell V-Twin Engine
Craftsman: Ramon Hoagland
Knapp Collection #: 694
Catalog #: 2022.8.5
Contributor: Paul Knapp
This Howell air-cooled V-twin engine was built by Ramon Hoagland. The engine is 18″-long, 11.5″-wide, 11″-high, and weighs 21 lbs.
Howell V4, 4-Cylinder 4-Stroke Model Engine
Craftsman: Ramon Hoagland
Knapp Collection #: 667
Catalog #: 2021.9.5
Contributor: Paul Knapp
This Howell V4, 4-cylinder, 4-stroke model engine was built by Ramon Hoagland, of Colorado, in 2013.
Micro Dooling 61
Craftsman: John D. Ellis
Knapp Collection #: 153
Catalog #: 2011.27.11
Contributor: Paul Knapp
This miniature Micro Dooling is exactly 1/3-scale, burns methanol on spark ignition, and turns 38,200 revolutions per minute.
Miller 2-Cylinder DOHC Race Engine
Craftsman: Ed Miller
Knapp Collection #: 479
Catalog #: 2016.8.31
Contributor: Paul Knapp
Ed Miller’s second engine is an inline twin DOHC with 1″ bore, 1.25″ stroke, and burns methanol (via his custom carburetors) on spark ignition.
Miller DOHC Water-Cooled 2-Cylinder Race Engine
Craftsman: Ed Miller
Knapp Collection #: 478
Catalog #: 2016.8.30
Contributor: Paul Knapp
Suitable for a radio-controlled car or boat, Ed Miller’s first engine is this dual-overhead-cam (DOHC) single with a bore of 1″ and a stroke of 1.25″.
Morton M-42 4-Cylinder Flathead Model Car Engine
Craftsman: Jim Hawk
Knapp Collection #: 158
Catalog #: 2008.10.47
Contributor: Paul Knapp
This Morton M-42 burns gasoline on spark ignition and will turn a 14-6 propeller in excess of 6,500 RPM. The engine is 9″-long, 5″-wide, and 5″-high.
Offenhauser 270 4-Cylinder Racing Engine (In Progress)
Craftsman: Pamela Weiss
Contributor: Pamela Weiss
This unfinished 1/4 scale Offenhauser 270 4-cylinder racing engine is being built by Pamela Weiss. The scale engine was originally designed by Ron Colonna.
Offy 270 Racing Engine
Craftsman: Roger Butzen
Knapp Collection #: 782
Catalog #: 2024.5.18
Contributor: Paul Knapp
This impressive Offy 270 racing engine was built by Roger Butzen in 2000.
OHV Inline Slant 4-Cylinder Engine
Craftsman: Dick Pretel
Knapp Collection #: 591
Catalog #: 2019.11.4
Contributor: Paul Knapp
This overhead valve inline slant 4-cylinder engine is tilted 30 degrees to resemble the Pontiac Tempest and Chrysler engines used in the early 1960s.
Profi “DOHC 50” 4-Cylinder Inline Racing Engine
Craftsman: Profi M. E.
Knapp Collection #: 237
Catalog #: 2011.27.20
Contributor: Paul Knapp
This 50cc engine burns methanol on glow ignition and sports a pressure lubrication system. It measures 10″-long, 6″-wide, 6″-high, and weighs 2 lbs.
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.
Rodless Rotary Engine
Craftsman: Peter Grunstra
Catalog #: 2013.42.1
Donor: Peter Grunstra
This 2-cycle rodless rotary engine, suitable for aircraft or autos, is a prototype built by Peter Grunstra.
Showing 20 of 49 exhibits.