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3 Sisters Engine: A tabletop demonstrator three cylinder radial steam engine easily built of aluminum and brass. Minimal machining. |
10 Pgs 260 kB
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1932 Beam Engine: A small model of the original horizontal beam engine from a magazine published in 1932. The plans also include the boiler. |
2 Pgs 1.3 MB
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45 Degree EZee Engine: A very simple plan for
a small 45 degree single cylinder steam engine worked up by a professor
for his students to build as an educational project. |
2 Pgs 1.5 MB
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Bett Oscillating Engine: A small oscillating engine designed by Bett as a simple demonstrator. |
2 Pgs 217 kB
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Compound Condensing Engine: A complex but efficient design from 1902 capable of being built by an advanced amateur. |
16 Pgs 1.3 MB
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Danpf Engine: A good sized vertical engine.
The plans are in German but can be easily understood for those not
allergic to metric dimensioning. |
10 Pgs 416 kB
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David Engine: A small demonstrator designed by Alan Marconett of Hobbit Engineering. Well detailed plans for the first time builder. |
6 Pgs 281 kB
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Elbow Engine: An unusual demonstrator engine that takes some skills to build but the results should be stunning. |
5 Pgs 281 kB
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Elmer Verberg's 4-Square Engine: Elmer
Verberg was a prolific steam engine designer & builder. When he
passed he wanted his plans to be public domain. Here's his 4 square - 4
cylinder model engine. |
3 Pgs 493 kB
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Elmer Verberg's Baldy Engine: Elmer's Baldy
is a horizontal engine using a ball for a piston. This eliminates one
joint in the connecting rod for a very robust design. |
2 Pgs 310 kB
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Elmer Verberg's Beam Engine: Elmer's Beam is a typical old fashioned beam style engine - the iconic steam engine, easy to build and impressive when running. |
4 Pgs 433 kB
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Elmer Verberg's Geared Engine: Elmer's Geared
engine is an unusual design but once in use in the factories of the
industrial revolution. An efficient design, though complex to build. |
7 Pgs 1.2 MB
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Elmer Verberg's Horizontal Engine: Elmer's
horizontal engine is a simple double-acting engine of the type comminly
used in mills for grinding grain a hundred years or more ago. |
4 Pgs 363 kB
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Elmer Verberg's H-Twin Engine: Elmer's horizontal twin cylinder is mostly made of brass so is easy to machine and looks great. |
2 Pgs 285 kB
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Elmer Verberg's Open Twin Engine: Elmer's open column twin cylinder engine is a variant of a poppet valve engine originally designed in 1913. |
7 Pgs 956 kB
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Elmer Verberg's Radial Engine: Elmer's radial is a simplified, 3-cylinder radial steam egine with a very easy to make disc valve. |
5 Pgs 512 kB
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Elmer Verberg's Reverser: Elmer's open column
reversing engine utilizes a simple shear seal valve to reverse the
engine rotation without clutches and gearing. |
3 Pgs 956 kB
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Elmer Verberg's Scotty: Elmer's Scotty engine
incorporates a Scotch Yoke mechanism for transferring linear motion to
rotary instead of a traditional crankshaft. |
2 Pgs 301 kB
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Elmer Verberg's Slider: Elmer's Slider engine employs a slide valve, of the type traditionally used on steam locomotives. |
3 Pgs 403 kB
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Elmer Verberg's Vertical Wobbler: Elmer's
vertical wobbler engine is a two cylinder inverted "wobbler" style where
the motion of the cylinders automatically operates the valves. |
2 Pgs 818 kB
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Elmer Verberg's Wobble Plate: Elmer's wobble plate engine uses a stationary cylinder with a wobbline valve plate. Very clean design. |
5 Pgs 589 kB
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Elmer Verberg's Wood Beam Engine: Elmer's wood beam engine is a nod to James Watt's original steam engine design. |
8 Pgs 901 kB
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E-Zee Engine: This e-zee engine is an ultra simple design built with bent wire and a simple drilled aluminum plate. |
2 Pgs 270 kB
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Hilde Engine: The Hilde engine is another
simple design using a bent wire crankshaft, slide valve, and mostly
brass construction. The plans are in German but the instructions in
English. |
13 Pgs 467 kB
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Horizontal Slide Engine: This Horizontal Slide engine design is a traditional mill, locomotive, side wheeler steamer type engine. |
19 Pgs 405 kB
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Husky 2000 Engine: A teaching design of a demonstrator, easily built that uses a cam operator. |
6 Pgs 516 kB
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Jepson Engine: The Jepson is a 3/4" Bore, open framed, vertical, slide valve engine from 1947 with pretty well detailed components. |
3 Pgs 113 kB
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Jingle Bell Engine: The Jingle Bell is a mostly aluminum demonstrator using a wobble plate valve design. |
3 Pgs 455 kB
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Kouhoupt Engine: The Kouhoupt engine is a
model walking beam engine that appeared in a magazine designed by a
fellow named Rudy Kouhoupt. It's intended for the home modeler and
doesn't require any castings. |
5 Pgs 1.1 MB
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L-Frame Oscillating Engine: The L-Frame
Oscillator is a modern, simple demonstrator design that should be easily
able to be put together by the home hobbyist. |
2 Pgs 209 kB
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Model Boilers: A pretty good treatise on how to build model steam engine boilers for the home builder. |
20 Pgs 551 kB
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Model Steam Turbine: This Model Steam Turbine is an interesting demonstrator and should be fun to watch, but it couldn't be used to do any work. |
12 Pgs 299 kB
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Muncaster Steam Engines: This is a 1950s look
at some 1900s designs by H. Muncaster. There are detailed plans to
build 9 engines of different types and complexities in this series of
articles. |
29 Pgs 965 kB
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Michael Niggel Boiler: A small steam engine boiler designed my Michael Niggel. The metric plans are in French but easy enough to follow. |
29 Pgs 965 kB
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Michael Niggel Vertical: A vertical single cylinder engine. Very well detailed metric plans in French. |
16 Pgs 229 kB
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Michael Niggel Twin: A vertical two cylinder engine. Very well detailed metric plans in French. |
12 Pgs 220 kB
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Pirker 4-Cylinder Engine: An interesting modern 4 cylinder wobbler valve steam engine design. The description is in German and the plans in Metric. |
17 Pgs 505 kB
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River Queen Engine: A nicely designed marine type model engine from the 1950s. |
17 Pgs 505 kB
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Rotary Twin Engine: An easily machined twin cylinder steam engine with a rotary valve. |
5 Pgs 4.4 MB
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Simple Engine: A simple vertical rotary valve
engine from the 1930s, though castings are called for, but you could
substitute CNC machined billet parts fairly easily. Plans include a
boiler. |
5 Pgs 993 kB
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Small Horizontal Engine: A small horizontal engine from a very old set of plans. |
5 Pgs 607 kB
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Small Oscillator Engine: A demonstrator using the oscillating (Wobbler) principle. |
4 Pgs 340 kB
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Small Vertical Engine: A small vertical steam engine based on a very old design. This requires castings. |
16 Pgs 11.6 MB
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Soumard Twin Engine: A very well designed two cylinder vertical engine with slide valves. The plans are in French and are Metric. |
10 Pgs 776 kB
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German V Twin Engine: A beautiful V-Twin steam engine from a German designer. The plans are Metric and in German. Steam Harley anyone? |
42 Pgs 1.2 MB
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