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Stirling Engines

The Stirling engine is a closed-cycle piston heat engine. The term "closed-cycle" means that the working gas is permanently contained within the cylinder, unlike the "open-cycle" internal combustion engine and some steam engines, which vent the working fluid to the atmosphere. The Stirling engine is traditionally classified as an external combustion engine, despite the fact that heat can be supplied by non-combusting sources such as solar and nuclear energy.

A Stirling engine operates through the use of an external heat source and an external heat sink, each maintained within a limited temperature range, and having a sufficiently large temperature difference between them.

Products

Plans Stirling Hot Air Engine Power Meccano 1913 Reprint
SKU: pshae/ebook/000

The hot air engine is one of the easiest models to build.No boiler is needed and it starts in a few seconds when the lamp is lit.

A hot air engine originally called the "caloric" engine was first built in 1807.Theoretically it is a perfect heat engine but practical building and design problems present difficulties which lower its efficiency greatly.

In the 1850s Ericsson built a large passenger ship driven by a hot air engine.Present day uses are limited to stationary power plants to drive all kinds of machinery since the power to weight ratio limits use in moving equipment.

These plans which were published in 1913 come with complete instructions for building a hot air engine.No power tools or machining are required.Simple items such as tin cans and copper tubing make most of the parts.The only part which you would have to buy or make is a flywheel of steel or iron .You can probably borrow one off an old model steam engine.

This is a very simple stirling hot air engine which will give you great pleasure in its building and it can put out enough power to drive Meccano or Erector models or any similar items.It is a great conversation piece when mounted on a nice wooden base and displayed to interested parties as it chuffs to life and runs merrily along.Get your copy of this great plan now and build this easy model.

You are buying the four pages of plans and instructions only.

£0.36
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Tin Can Stirling Heat Engine Ebook
SKU: tcsheb/ebook/000

This ebook describes how to build a stirling engine from a tin can.

The thin sheet metal walls permits rapid transfer of heat. The cans are readily modified, and if you go wrong throw the can away and use another. This engine isn’t going to be pretty but it is realitivly simple to build and you will come to realise the whole engine design can be modified in many ways.

£0.36
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The Control of Small Propane Burners for Stirling Engines
SKU: tcspbse/ebook/000
A 160 watt dual-opposed Stirling engine power system has been developed for the U.S. Army
for remote power and battery charging applications. The Stirling engines were developed under a Phase II
NASA SBIR by Sunpower Inc. The propane burner was developed by Precision Combustion Inc. under a
DARPA SBIR program.
Earlier papers have dealt with a number of aspects of the 160 watt power system development program.
This paper takes a look at the challenge of controlling small propane burners for a range of Stirling engines.
This paper will discuss the bring up algorithm and the closed loop digital control of the engine acceptor
temperature in the presence of load disturbances and inherent system non-linearity.
The combustor of these small burners are catalytic and use a fine structure catalyst known as Microlith® to
reduce the ignition time while maximizing the surface area. The challenge of the control system is to bring
the engine head up to temperature , and maintain that temperature, without damaging the catalyst structure.
Strategically placed temperature sensors measure the catalyst, flame, and engine acceptor temperatures.
These measurements are used as process variables by the bring up and digital closed loop control
algorithms to engender a temperature response at the acceptor that is acceptable in terms of response time,
overshoot, and stability in the presence of changes in the dynamic behavior of the engine resulting from
load changes.
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How to make a hot air engine - free ebook
SKU: gut/htmahae/00
This digital book (along with the bonuses included) was written in the early 1900s - a time where people used their hands to build things. Not only for practical use but for the sheer pleasure of just making it.

The art of making things hasn't died today even if we can get most things ready made. But what a ready-made item can't do is give you the satisfaction that you created something out of easy to find materials - and that satisfaction is long lasting.
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Home built stirling engine
SKU: hbse/ebook/000/000
Built with a soldering iron and simple hand tools for less than $20, this engine provides hours of entertainment while demonstrating the Stirling principle and elementary thermodynamics. Harness the power of melting ice using a candle or concentrated sunlight.
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The History of Hot Air Engines
SKU: thohae/ebook/000/000

Contents

  • Preface
  • The hot-air drive in the 2nd century before the Christian era.
  • The requirement of portable power during the Industrial Revolution, Stirling, Ericsson, Rider, Lehmann, Buschbaum and others.
  • The electricity need in remote areas, the Philips idea 1937 - 1979
  • The Stirling-renaissance, Sun-driven, Combined Heat and Power
  • Stirling, the air-independent motor, AISP
  • Different thermic principles, Motors, Refrigerators, Heatpumps
  • The Stirling-refrigerator, Windhausen, Philips, AIM
  • Different working-mediums, air, gas, water, metals
  • The hot-air motor as toy, investment or speculation?
  • The function of the Stirling motor
  • Construction types, Stirling, Ericsson, Ringbom, Freikolben, Rupp, Vacuum-motor.
  • The rulers of the game for the model constructor: The hot-air engine
  • Epilogue
  • Sources
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Fuel-less Space Engine (Stirling)
SKU: flse/ebook/000/000

Focus sunlight on this  model engine and it runs at full speed. Plans to build a solar powered Stirling engine. With description and drawings.

'Power is ample to drive a midget water pump or spin a display turntable. For indoor exhibits, such as in Science Fairs, a heat lamp can replace the sun. As a mantelpiece model, the engine can be operated on paper matches, alcohol, or fuel tablets.'

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How do Stirling Engines Work?
SKU: hdsew/ebook/000/000

Stirling engines can be hard to understand. Here are the key points. Every Stirling engine has a sealed cylinder with one part hot and the other cold. The working gas inside the engine (which is often air, helium, or hydrogen) is moved by a mechanism from the hot side to the cold side. When the gas is on the hot side it expands and pushes up on a piston. When it moves back to the cold side it contracts. Properly designed Stirling engines have two power pulses per revolution, which can make them very smooth running. Two of the more common types are two piston Stirling engines and displacer-type Stirling engines. The two piston type Stirling engine has two power pistons. The displacer type Stirling engine has one power piston and a displacer piston.

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Build a Wooden Oscillating Engine
SKU: bawoe/cam/152/444
If you are starting in model engineering, have just bought your first lathe, or enlisted at night school, and are wondering what to build, Martin Gearing’s wooden oscillating engine, the building of which is described here, is an excellent first project. Equally, if you are looking for a project to enthuse the younger generation to make something that works, under your supervision, they don’t come better than this.
£4.39
Market price: £6.85 save 36%
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Stirling Engine Manual NASA 1983
SKU: SKU18616

The DOE Office of Conservation, Division of Transportation Energy Conservation, has established a number of broad programs aimed at reducing highway vehicle fuel consumption. The DOE Stirling Engine Highway Vehicle Systems Program is one such program. This program is directed at the development of the Stirling engine as a possible alternative to the spark-ignition engine. Project Management responsiblity for this project has been delegated by DOE to the NASA-Lewis Research Center.

Support for the generation of this report was provided by a grant from the Lewis Research Center Stirling Engine Project Office. For Stirling engines to enjoy widespread application and dcceptance, not only must the fundamental operation of such engines be widely understood, but the requisite analytic tools for the simulation, design, evaluation and optimization of Stirling engine hardware must be readily available. The purpose of this design manual is to provide an introduction to Stirling cycle heat engines, to organize and identify the available Stirling engine literature, and to identify, organize, evaluate and, in so far as possible, compare non- proprietary Stirling engine design methodologies. As such, the manual then represents another step in the long process of making available comprehensive, well verified, economic-to-use, Stirling engine analytic programs.

Two different fully described Stirling engines are presented. These not only have full engine dimensions and operating conditions but also have power outputs and efficiencies for a range of operating conditions. The results of these two engine tests can be used for evaluation of non-proprietary computation procedures. Evaluation of partially described Stirling engines begins to reveal that some of the early but modern air engines have an interesting combination of simplicity and efficiency. These show more attractive possibilities in today's world of uncertain fuel oil supply than they did 20 years ago when they were developed. The theory of Stirling engine is presented starting from simple cycle analysis. Important conclusions from cycle analysis are: l) compared to an engine with zero unswept gas volume (dead volume), the power available from an engine with dead volume is reduced proportional to the ratio of the dead volume to the max- imum gas volume, and 2) the more realistic adiabatic spaces can result in as much as a 40% reduction in power over the idealized isothermal spaces. Engine design methods are organized as first order, second order and third order with increased order number indicating increased complexity. First order design methods are principally useful in preliminary systems studies to evaluate how well-optimized engines may perform in a given heat engine application. Second order design methods start with a cycle analysis and incorporate engine loss relationships that apply generally for the full engine cycle. This method assumes that the different processes going on in the engine interact very little.

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Making Stirling Engines - Andy Ross
SKU: mse/ebook/000

Imagine a small engine for your bicycle, canoe, or campside generator that is as quiet as a sewing machine. Its exhaust flue gases are nonpoisonous, nonpolluting and practically odorless. It starts easily, and should run without repair for many hundreds of hours, burning less than one-half liter of kerosene per hour.

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Building the Maltese Falcon
SKU: btmf/cam/372/597
Want to build a BIG model I.C. engine? This is a 260cc Flat Four, Side Valve engine which turns a (scale) 34" x 18" propeller at 2500 rpm, and measures 8" in length and depth, and 13" in width across the heads. Essentially designed to be built from solid, Jim can supply certain parts, notably a magneto kit, and standard Honda pistons can be used if you want to get your Maltese Falcon running as quickly as possible - parts suppliers are listed. Whilst not a beginner's project, this engine can be built by any competent model engineer, and even if you just build one as your next project, will give you the satisfaction of blowing the club away, when you finally demonstrate it at an "On the Table" Club Night! And, of course, having built the engine, you could then horrify the neighbours by building a giant model aircraft for it to power! But what really intrigues me about the Maltese Falcon is what else you could drive with it, in some cases with modifications to the cooling arrangements; large scale model road vehicles, notably a large scale model tractor, and 71?4" gauge railway motive power, but an outboard motor, a GT lawn mower and a motor bike would also all seem possible for the clever amongst you. In this book you get the full drawing set of 11 sheets, reduced in size to fit A3 format, and 36 A4 pages of notes, hints and tips on building the engine, plus numerous photos of parts and set-ups for making them; this isn't a construction manual in the sense of "Building the Bentley BR2....", but it is all good solid information aimed at helping the builder to make a 'model' I.C. engine which really will make people's jaws drop! Wirebound with card covers.
£4.75
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Easy to build Stirling engine fan
SKU: etbsef/stp/ebook/000
"Simple Coke Can Stirling Engine Plans", a how to guide to build your own Stirling engine.

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ASAP Stirling engine ebook plans
SKU: asapseep/stp/ebook/000
Plans to build this very simple coke can engine, mainly from household materials. Easy to follow bite size steps.
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Heat Pumps - Energy Efficiency and Traditional Buildings
SKU: hpeeatb/eh/ebook/000
The installation of a renewable technology implies in most cases the fixing of equipment to the historic fabric of a building. English Heritage seeks to ensure that any works to a historic building do not unnecessarily disturb or destroy historic fabric.

In deciding how best to incorporate a low-carbon or renewable technology, the principle of minimum intervention and reversibility should be adopted whenever and wherever possible.

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Coffee Cup LTD Stirling Engine Plans
SKU: ccse/ebook/000
The LTD Stirling engine always impresses first time viewers with its simplicity and the apparent lack of a fuel source. This particular engine is made almost entirely out of recycled materials, so it's easy to build. You can get most of the parts for free, it needn't cost a lot to build.
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Stirling Engine by Jean Fernand
SKU: self/ebook/000/000
Detailed Plans and 3D views of a Stirling engine - a good set of plans with assembly drawings and views produced with a 3D modelling package.
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Popular Science air-cooled Hot Air Engine - Stirling Engine
SKU: peace/ebook/000/000
"Once the flame is lit, this charming hot air engine heats up for action in less than a minute. The Hot Air Engine, or Stirling Engine is now back on the desks of researchers and scientists due to the engines almost unique ability to run on any heat source. Many free engergy sources can be used to heat this type of engine, such as hot springs, solar power and even ice and snow. In this easy to make model Stirling Engine, the heat source fueled by alcohol. The engine if built to the specifications given, is capable of driving small models, pumping water or turning a fan. The Hot Air Engine does not require castings, but does require some turning on a mini-lathe and the use of a drill-press."


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