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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Craftsman: K&O
Catalog #: 2013.49.3
Contributor: Daniel "Buzz" Brunkow
These realistic electric outboard motors are from the 1950s and 1960s. Originally relatively inexpensive, they are now highly collectible and expensive if you can find one.
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