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.
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
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
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
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.
Schillings 6-Cylinder Opposed DOHC Engine
Craftsman: Hubert Schillings
Knapp Collection #: 119
Catalog #: 2009.9.20
Contributor: Paul Knapp
Hubert Schillings designed several miniature engines. Made in 1975, this opposed DOHC engine is 9”-long, 9”-wide, and 7”-high.
Schillings V-Twin DOHC Engine
Craftsman: Hubert Schillings
Knapp Collection #: 89
Catalog #: 2011.35.4
Contributor: Paul Knapp
This 2-cylinder “V” Dual Overhead Cam (DOHC) has cylinders 90 degrees apart and in line with the crankshaft, similar to a V6 or V8 configuration.
Schillings V8 DOHC Engine
Craftsman: Hubert Schillings
Knapp Collection #: 239
Catalog #: 2011.27.22
Contributor: Paul Knapp
This V8 Dual Overhead Cam engine has two rows of cylinders 90 degrees apart. Each row has two camshafts to operate the valves.
Schindele Cube 4-Cycle Engine
Craftsman: Ron Schindele
Knapp Collection #: 568
Catalog #: 2019.9.8
Contributor: Paul Knapp
This engine is appropriately named the Cube because it is a 1 x 1 bore and stroke and, simply, a square design.
Schindele Custom 2-Stroke Diesel Engine
Craftsman: Ron Schindele
Knapp Collection #: 726
Catalog #: 2022.8.10
Contributor: Paul Knapp
One unique feature of this Schindele custom 2-stroke Diesel engine is an extra set of interchangeable parts designed to convert the engine to gasoline operation.
Schindele Custom Four-Stroke Engine
Craftsman: Ron Schindele
Knapp Collection #: 630
Catalog #: 2020.4.3
Contributor: Paul Knapp
This Schindele custom four-stroke engine has a bore of .687″, a stroke of 1″, and it burns gasoline vapor for fuel.
Schindele Flame Licker Engine
Craftsman: Ron Schindele
Knapp Collection #: 675
Catalog #: 2021.9.9
Contributor: Paul Knapp
One unique feature of this flame licker engine is a fast-acting cam that snaps the trap-door style valve open and closed in the blink of an eye.
Schindele Hit N’ Miss Powered Saw
Craftsman: Ron Schindele
Knapp Collection #: 728
Catalog #: 2022.8.12
Contributor: Paul Knapp
This unique hit n’ miss powered saw was built from Coles Power Model castings. It has a bore of 1.25, and stroke of 1.875, with enough power to be put to use.
Schindele Howell V-Twin Engine
Craftsman: Ron Schindele
Knapp Collection #: 727
Catalog #: 2022.8.11
Contributor: Paul Knapp
This Schindele Howell V-Twin engine has a bore of 1″ with a stroke of 1.25″ and burns gasoline on electronic ignition. It includes an electric fuel pump.
Schindele Ridders 2-Cycle Vapor Engine
Craftsman: Ron Schindele
Knapp Collection #: 567
Catalog #: 2019.9.7
Contributor: Paul Knapp
This Ridders 2-cycle vapor engine runs on fuel vapors generated in the tank and has a fuel/air adjustment where the knurled knob attaches to the tank.
Schindele Stirling Engine
Craftsman: Ron Schindele
Knapp Collection #: 564
Catalog #: 2019.9.4
Contributor: Paul Knapp
After researching the function of early-day Stirling engines, Ron Schindele decided to produce a small model of his own design.
Schindele Twin Engine
Craftsman: Ron Schindele
Knapp Collection #: 566
Catalog #: 2019.9.6
Contributor: Paul Knapp
After restoring a Maytag Model 72 washing machine engine Mr. Schindele was impressed with the hollow crankshaft rotary intake and decided to design his own engine using the same principal.
Schindele Walking Beam Stirling Engine
Craftsman: Ron Schindele
Knapp Collection #: 565
Catalog #: 2019.9.5
Contributor: Paul Knapp
As a fill-in project, Ron Schindele turned to this little walking beam Stirling engine that was available as a bar-stock kit from the Grizzly Machine Company.
Schroeder Display of Multi-Cylinder Cox Engines
Craftsman: Roger Schroeder
Knapp Collection #: 377, 378, 379, 380
Catalog #: 2013.53.7
Contributor: Paul Knapp
Mr. Schroeder was well known for his innovative multi-cylinder engines that utilized Cox .020 and .049 engine parts.
Showing 20 of 679 exhibits.