Free plans myfordboy pringle stirling engine stirling. On june 2 i received an email that my order had been shipped. Whether its a hot cup of coffee on a cold day, light from the sun, scented candles, or waste heat wafting from electronics, its all potential power waiting to be harnessed. Mm1 coffee cup stirling engine american stirling company. This is a beautiful modern design intended as a tabletop demonstrator in brass. Diy stirling engine stirling engines including ltd low temperature differential engines.
This version is has a clear plastic top and bottom plate which makes it ideal to put by a window to run from solar power. Doing some research on the internet, i came across something called a stirling engine. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed. I dont have a method to tell you how to do this, other than be careful. This will hold it still so that you can use both hands to perform the next few. This christmas themed coffee cup stirling engine is whimsical and fun to build. This machine is powered by heat, and can run off the heat from your coffee. Stirlingbuilder offers free plans for building hand crafted stirling engines from paint cans, and plans and instructions for building a coffee cup style stirling engine. This engine is intended for physics, thermodynamics, and mechanical engineering professors who want to provide a highquality lab experience for their students.
This site also promotes the book, three ltd stirling engines. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on youtube. This is a 1cylinder low temperature difference stirling engine that runs on your tea or coffee mug. A neat teacupsized stirling engine, powered by the heat of a mug of boiling water. I epoxied a piece of 18 brass tube in the top of the displacer, a coke bottle cap and baloon for the power cylinder. Eleven stirling engine projects you can build quick and easy stirling engine. This engine works by shifting the internal air between the hot and cool side which expands and contract the air. To make it without rescaling the plans requires a coffee mug with straight sides and top inner diameter of about 3. Sunnytech low temperature stirling engine motor steam heat. Been made over a number of years and this shows with the performance. If you are trying to build the absolutely prettiest engine you can,take time to polish the brass parts before you begin the assembly. In any case, they are a great learning tool that can be used to teach people about the inner workings of engines. I made a couple of them as presents for family and good friends. If you have a few soda cans and a few other easytofind accessories, you can recreate one of the first commercially viable engines ever made.
If you make a cup of hot coffee and leave it in the kitchen, 32. Be careful that no adhesive gets into the inside of the brass rod. This site also promotes the book, three ltd stirling engines you can build without a. Though small in size, a coke can stirling engine still speaks to our collective mechanical soul as it chuffs and chunks away on a shelf, rotating a flywheel, spinning a few fan blades, or even generating a few watts. Stirling engines are really cool machines, invented by reverend dr. Running from a heat source no hotter than a cup of coffee, this engine can reach two to three hundred revolutions per minute, and run for as long as the temperature differential remains. Lamina 1 solar powered lamina flow stirling engine. A guide to building a fast and easy can stirling engine. The drive mechanism can either be attached to the side of the engine, or be integrated into the structure of the engine. I would like to see someone combine a stirling cycle engine with a wimhurst machine that uses graphitecarbon fabric brushes. Following my experiments with the first ltd stirling, i decided to try and make a better one.
There are stirling engines which will run on the heat of your hand, although they are a little harder to build. They will also have some leniency on their heat supply as we determine that they could use a candle, a coffee mug of heated water, or even a. It only requires a difference between the top and base plates. Dec 18, 2012 theres energy all around us, just waiting to be tapped. If youre ever looking at stirling engine, coffee cup engine, or heat of your hand engine videos on youtube, it may not be immediately obvious that there are many other possible configurations of lowtemperature difference stirling engines. Quick and nearly impossible stirling engine video plans. Soda can stirling engine pop can stirling engine coke can.
Expired fee related application number us10564,094 other versions us200607339a1 en inventor jin sakamoto. May 10, 2010 this instructable details how to build a stirling engine out of a few soda cans, a balloon, and some terminal blocks and other bits and pieces. The insulated container lets you run the engine for over an hour on a cup of hot water, and when you spray cold fuel on the bottom of the engine you can make it look like it is running on nothing. It was dreamed up by robert stirling, a scottish minister who created the first practical example of a closedcycle air engine, which is what a stirling engine is. I used the bottom s of 2 pull top vegtable cans and a strip of clear plastic to make the displacer.
Solar and low temperature stirling engines kits exergia. This is the first soda can stirling engine that i built. How to diy stirling engines plans, heat engine cycle. Kontax stirling engines ks90 instructions this document covers the following. The larsen coffee cup is a very easily built stirling engine designed to operate using the heat of a cup of coffee. I heated a coffee cup full of water in the microwave for about 2 minutes and then put the engine on top of the cup and gave it a spin to get it going. The stirling cycle part 1 stirling cryogenics duration. At first we could only get it to run for 5 minutes or so, but my son using the included allen wrench made a minor adjustment and now it easily run 12 hour sitting on a hot cup of water.
Stirling engines are a type of engine that was conceived not long after the steam engine. Soda can stirling engine coke can stirling engine diy. Apr 11, 2019 this wiki has been updated 17 times since it was first published in august of 2015. Tin can, coke can stirling engine plans how to scrap to power.
That engine, like most of jans designs, has some features that almost make it a work of art, like the spoked flywheel, the finned power cylinder and the connecting rods with decorative. Friendly and successfully demonstrations in living room environments. A fully functional stirling engine model operates solely from the power provided by the heat of the surface on which it is placed, meaning it works especially well placed over the rim of a pipinghot mug of coffee. Startup, run and cooldown of a simple gamma stirling engine a form of external combustion engine heat or air engine the entire unit is. Ltd stirling cycle engine free plans easy to build hot air youtube coffee cup ltd. Power this engine with a cup of steaming hot coffee or set it on a plate. In the second vid, the builder uses his engine to power a radio. For larsen, the crankshaft is the most critical part of the engine, and influences every part of the whole, from timing, to displacer travel, to the speed of the flywheel, and the balance of the whole. They really get up to a speed when placed on top of a cup of tea or coffee. Oct 24, 2009 a homemade ltd stirling engine running on a cup of hot water. Feb 20, 2016 powered by the heat difference between the two chromed plates. Buy sunnytech low temperature stirling engine motor steam heat education model toy kit lt001.
For the plans on how to construct this motor yourself check out the lamina 1 plans video. Its quick and easy to put together, requiring no specialist tools or epoxy. These wonderfully made stirling engines are a joy to watch. When you place the stirling engine on top of a cup of hot water, we are the following. Part 10 how to build a tin can stirling engine youtube stirling engine. Low temperature stirling engine motor steam heat education. Coffee cup stirling engine by jim larsen 2010 by jim larsen and pressure chamber exploded view. Low temperature stainless steel stirling engine model.
Rob over at has been in contact with dutchman jeroen jonkman, who has generously agreed to make the plans for his stirling 60 gammaconfiguration stirling cycle engine freely available for download there. Stirling engines, hotair engine, hot air engine, stirling engine, sterling engine, stirling model, heat engine, stirling cycle, stirling engine kit, solar engine, solar stirling, heat of your hand engine, robert stirling, sadie carnot, ivo kolin, jim senft. My idea is to gather together a collection of photos of some of the better examples of model engineering stirling engines and compile them into a glossy book. Aibecy retro style hot air stirling engine motor model dollar flywheel design educational toy electricity generator with colorful led light string diy for teacher student teens children adult. At the end of the year we had to do a research project on something that interests us. This is a coffee cup style stirling engine running over a cup of hot water.
Despite being relegated to few applications for the past century, stirling engines are having something of a renaissance due to concerns over fossil fuel availability and climate change. This is the assembly of all the stirling engine parts that i have uploaded recently. The soda can stirling engine is a great place to start if you want to build a stirling engine. Stirling engines have a high efficiency compared to steam engines, being able to reach 50% efficiency. This site also promotes the book, three ltd stirling engines you. I have not built one of his engines yet, but i have been gathering the materials needed to build his coffee cup stirling and i have made some practice parts. All pdf downloads are listed below, includes various templates for projects on this site, and instructions for the kits. Stirling engine this miniature version of a stirling engine. This is a demonstration video showing the lamina 1 in action. Nov 19, 2014 bottom most picture lableled coffee cup ltd stirling engine plans. Robert stirling in 1816 to rival the steam engine, they are one of the most efficient engines ever conceived.
Coffee table stirling engines site, devoted to collecting high quality picture of stirling engines, for a coffee table book on stirling engines, also contains some animated 3d computer models of stirling engines. Running from nothing but waste heat, the stirling engine is the ultimate green machine. I believe this is the best way to build voltage from this engine cycle using a joulethief type circuit to collect flux in a toroidal ferrite core. Making your coffee cup stirling engine especially beautiful. They are also capable of quiet operation and can use almost any heat source. To use it, just place the mini engine on top of your coffee cup and give it a little push to get started. Stirling engines running on a cup with hot coffee or water.
If you must dump all the parts out to count them, do it on something like a bowl or a cookie sheet so you dont loose any. This is a list of my favorite homemade handmade stirling engine videos. On june 3, the order arrived on my doorstep, and yesterday, june 4, i gave a lecture demonstration with it in my physical chemistry class, on the next to. Heat powered engine runs on your coffee mug youtube. Coffee cup ltd stirling engine plans download pdf now all pdf downloads are listed below, includes various templates for projects on this site, and instructions for the kits. Download the dimensional drawings from the attachments link at the bottom of this page. Theres energy all around us, just waiting to be tapped.
It comes with pressure, temperature, and volume sensors along with custom electronics and. The stirling engine is a heat engine invented by robert stirling in 1816, its different from your car engine because the fuel is burned outside of the engine, which makes it much easier to build. Simply pour some hot drink in a cup, put this engine on it, and give it a small spin. Our stirling engines demonstrate the conversion of low temperature heat and light into mechanical energy. An ltd can run on the heat of the palm of your hand. This miniature version of a stirling engine can be used as a portable demonstration of a larger stirling engine when placed on top of a hot cup of tea or coffee. I love science and i remember learning about stirling engines back in elementary school. The gamma stirling is a variation of the beta stirling. A stirling engine which runs on a coffee cup by jl naudin. Stirling engine tutorial plans how to part 1 of 2 beta.
Since the heat from your coffee will heat the bottom of the engine, itll continue to run as long as your coffee is hot. On may 27, i placed an order on your website for the coffee cup stirling engine and the book around the world by stirling engine. Remove from the mug, carefully turn upside down and place back on top of the mug. The coffee cup stirling engine is just one example of a convenientlysized engine. This product seems very well made and worked just as advertised right out of the box. And since the engine is trapping the heat from your coffee within your mug. Stirling engine assembly 3d cad model library grabcad. Preparations for building a coke can stirling engine how to. You may also try a cup of hot coffee, your computer monitor. Carefully apply a small bit of adhesive to the outside of one end of the brass tube, and insert into the crankcase as shown. Less skill is required to build this engine than most of my other engines. This stirling engine is a beautiful conversation piece for your home or office, or a great physics or chemistry demo for your classroom or lab. How to make a coke can stirling engine howstuffworks.
Thank you for taking an interest in my stirling engines. Plans for jim larsens stirling engines can be found in the following books. For some applications, however, a proper costbenefit analysis can favor a stirling engine over an internal combustion engine. This site also promotes the book, three ltd stirling engines you can build without a machine shop by jim r.
Ltd stirling on the snow stirling engine, engineering, snow, youtube, mechanical engineering. Install the thermometer and stirling engine labels as shown below. In recent years, the advantages of stirling engines have become increasingly significant, given the general rise in energy costs, energy shortagescitation needed and environmental concerns such as climate change. The heat energy source is generated external to the stirling engine rather than by internal combustion as with the otto cycle or diesel cycle engines. See more ideas about stirling engine, stirling and engineering. A homemade ltd stirling engine running on a cup of hot water. This engine will run off of a candle, propane, alcohol, or even the sun. Developed from the popular myfordboy ez stirling, this engine is even easier to build and will run on a cup of hot water. I have built this engine and run it both hot and cold and by this i mean i have sat it on a heat source like a lamp or i have sat it on dry ice.
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