| A Stirling engine is a kind of heat engine where the | | | | 2) Then, start constructing the engine's pressure |
| heat of the engine runs because of the cyclical | | | | vessel. Use another Coke tin can and scrap off the |
| compression and spreading out of working fluid, gas, or | | | | can's sides. Next go on cutting off the upper portion to |
| air at various temperature levels. This results to | | | | form a vessel. This would serve as the pressure |
| conversion of mechanical energy from heat energy. | | | | vessel's lower area. In making the upper area, use |
| In 1816, Robert Stirling found out how to build a Stirling | | | | another Coke tin can. From the lower part, cut out at |
| engine and was predicted. At present, a Stirling engine | | | | least 2 inches. Then, get the bottom part and create a |
| is only used on specific machines such as submarines | | | | hole in the middle using the pin. Glue in the bolt and the |
| and in yachts where it is used as a back up generator | | | | steel plate, which is a small rectangle, on the internal |
| of power source. It is preferred for operations where | | | | core of the pressure vessel's upper part. The glue |
| quietness is a must. | | | | serves as prevention for leakage. |
| It is possible to have a do-it-yourself Stirling engine. It is | | | | 3) Construct the displacer. The steps in creating it is |
| one of the simplest engines that can be assembled | | | | similar to how the pressure vessel was made but the |
| even at home. In addition to its simplicity, a DIY Stirling | | | | Red Bull tin cans would be used. Also, the engine's |
| engine has the ability to rotate at maximum level of up | | | | displacer should fit in the interior of the pressure vessel |
| to 3000 rpm. | | | | and should be capable of preventing leakage. |
| Materials | | | | 4) Construct a crankshaft using a piece of the coat |
| The materials needed to build a Stirling engine are the | | | | hanger. Then, create a supporter for the crank. For the |
| following: | | | | support, cut out two Red Bull tin cans and make holes. |
| Red Bull tins | | | | Set these aside. Put together the crank and the |
| Coke tins | | | | supports. Make sure that the crank can smoothly |
| High-temperature glue | | | | rotate in the supports. Once done, attach this piece in |
| Straight pins | | | | the upper part of the pressure vessel. |
| Silicon gasket | | | | 5) Construct a diaphragm by cutting out from the |
| Balloon | | | | balloon a disc's shape. It is the diaphragm that would |
| PVC elbow | | | | unite the disk with the crank. Make sure that it is |
| Washer | | | | durable so that it would not be damaged during |
| Bolt | | | | rotation. |
| Make sure to gather and prepare all the materials | | | | These are all the steps on how to build a Stirling |
| before starting the steps on how to build a Stirling | | | | engine. It is now ready to be used. When running the |
| engine. | | | | engine, the lower portion of the pressure vessel should |
| Instructions | | | | be heated and, after about 20 to 30 seconds, lightly |
| 1. Build a ring stand by using the Coke tin. Make it | | | | press on the flywheel so that it would rotate. The |
| concave and hollow. After it is already hollowed, cut | | | | pressure vessel should be constantly cooled down. |
| the tin into halves. Get the bottom part that has the | | | | Avoid it to become overheated. Putting an ice on the |
| base ring. Slice the tin's sides and create a ring that | | | | vessel's upper part would help. Just make sure that |
| has three legs. The sides of the tin should be slashed | | | | the ice water would not get through the engine. |
| and curved so that it becomes the ring stand. | | | | |