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• How to make your own ultra-miniature diesel engine?
• 6, Micro turbineHow to make a jet engine

How to make a simple engine by yourself

1. Fix the flywheel to the crankshaft with a short bamboo chopsticks. Flywheels can also be made of other round materials, but the advantage of making them with CDs and toothpaste tubes is that it can conveniently increase or decrease the number of discs and study the impact of flywheel quality on engine work.

2. Therefore, how to design a one-way valve to extend the working life of the valve sheet has become a research topic for engine manufacturers. The first is to choose high-temperature resistant village materials, and the second is to adopt a valveless design. Judging from the existing valveless pulse engine design, the fuselage production is relatively complex and the thrust is relatively small.

3. Drill a 10MM hole in the middle of the surface of the copper block.Take advantage of the battery shell. Cut off the negative end of the battery, pay attention to cool down when cutting, and wash the oil inside. Put it in the fire and bake it until it is almost to remove the graphite inside. Because it has been baked, the graphite will fall off, and a clean metal shell is ready.

4. The production tutorial of a simple generator is as follows: Prepare materials: batteries, art knives, enameled wires, etc. Wrap the highlighter with lacquered wire and wrap it about 15 times. Be careful not to wind from the two ends of the wire, leaving the two ends of the wire. Then wrap the coil at both ends of the wire to fix the shape.

How difficult is it to make a turbine jet engine with a 300 kg thrust by yourself?

I have seen the DIY test of jet engines on Youku video.It is usually impossible to get the data. I suggest you also take a look. After making a few, you can design a product with a thrust of 300 kilograms. It can only tell you the way to success here, and it can't take your place.

Five, the turbine of the engine should be resistant to high temperatures. Generally, steel is not good, and the design and processing of turbines are also very laborious. It directly affects the output power of the engine. Sixth, it's best not to use gasoline for fuel. Because it is homemade, gasoline is not safe enough. Diesel or kerosene can be used. Seventh, high-temperature resistant materials should be used in the combustion chamber.

When the speed of the aircraft is less than about 450 mph (724 km/h), the efficiency of a pure jet engine is lower than that of a propeller engine, because its propulsion efficiency largely depends on its flight speed; therefore, a pure turbojet engine is most suitable for higher flights. Speed.

How to make a micro-jet engine

1. These characteristics make some medium-speed flying The aircraft does not use a pure turbine jet device, but a combination of propeller and gas turbine engine - a turboprop engine. The superiority of the propeller/turbine combination has been replaced to some extent by the introduction of inner and outer culvert engines, culvert fan engines and paddle fan engines.

2. The engine body can be welded with 304 stainless steel pipes, but the near-air part must be mechanically processed. The easiest way is to go to Taobao to find mechanical processing.

3. Its manufacturing method should be able to download the drawings anywhere. The main difficulty is to make the manifold and combustion chamber part of the centrifugal turbine. The key is the manufacture of parts. Small turbojet engines usually use a series centrifugal compression blade group. The blade area and spacing determine the compression ratio and pressure, and the control compression ratio is more than 30:1.

4. Before the jet engine starts, the air cannot be automatically sucked into the combustion chamber. At this time, it is necessary to use a small air box or pump to input air at the entrance of the engine to help the engine input the oil and gas mixture. Note that the air needs a certain pressure and flow rate to fully atomize the fuel. Become oil and gas.

5. Easy welding machine production. In the process of aircraft model and jet engine production, an electric welding machine will be used. If you buy a stainless steel that can weld, the price is more than 1,000 yuan, so can you make one by yourself? Of course; the price is only more than 100 yuan, and no welding rod is required.

What materials are needed to make a Sterling engine by yourself? How to do it?

The following is an introduction to how to make a simple Stirling engine. The first step: Preparation of materials and tools. The materials and tools to be prepared first are shown in Table 2.

Figure 3 Working process of Sterling engine Materials and tools: 3 iron eight-treasure porridge cans. There are 3 bicycle spokes, which require the spoke cap to slide freely on the spoke rod.An empty toothpaste tube. 3 old CDs. One balloon. A piece of tough foam plastic (such as the sole of a slipper).

Method/Steps First, disassemble the 60-meter, take out the copper block inside, and then drill a 10MM hole in the middle of the surface. As shown in the figure. The second step is to make a hot cylinder. Our hot cylinder uses the metal shell of No. 7 Nanfu battery.

How to make your own ultra-miniature diesel engine?

1. Fix the flywheel to the crankshaft with a short piece of bamboo chopsticks. Flywheels can also be made of other round materials, but the advantage of making them with CDs and toothpaste tubes is that it can conveniently increase or decrease the number of discs and study the impact of flywheel quality on engine work.

2. The simplest way to make your own generator is as follows: first, glue the plastic ruler to the wooden board, then cut the wire into small segments and glue it to the edge of the disc in turn. Next, stick the bottle cap in the middle of the disc, punch a hole in the middle, install the screw, and then fix it on the ruler.

3. 3 iron eight-treasure porridge cans. There are 3 bicycle spokes, which require the spoke cap to slide freely on the spoke rod. An empty toothpaste tube. 3 old CDs. One balloon. A piece of tough foam plastic (such as the sole of a slipper). A pin with a diameter of 2mm and 20cm of wire. Transparent tape. Waste ballpoint pen tube.

4. To obtain usable and stable power output, a series of diesel engine and generator controls, protective devices and loops are also required.

5. The engine bracket needs to be addedSolid, the vibration of diesel is large, and the storage battery should also be increased. The starting current of diesel is large, and the oil line should be adjusted accordingly. Advantages: The advantages of diesel engines are low fuel consumption, high reliability, long life and high torque.

6. The oil needs to be pressurized by a small oil pump. If it is used on aviation models, you need to use a small DC oil pump of about 2v. The power of the engine is about 80 kilowatts. If the fuel is diesel, the minimum fuel consumption is about 1. 81g/s. That is 13ml/s.

Micro turbojet engine manufacturing method

The engine body can be welded with 304 stainless steel pipes, but the near-air part must be mechanically processed. The easiest way is to go to Taobao to find mechanical processing. .

Pre-turbine temperature: the temperature before the high-temperature and high-pressure airflow after combustion enters the turbine, usually the higher the better the performance. Gas outlet temperature: the temperature when the exhaust gas leaves the turbine. Finally, please make a basic calculation. At least, you have to know the power and fuel consumption when you make an engine.

Turbojet engines work according to the "working cycle". It sucks air from the atmosphere, and after the process of compression and heating, it obtains energy and momentum from the propulsion nozzle at a speed of up to 2,000 feet per second (610 meters per second) or about 1,400 miles per hour (2,253 kilometers per hour).

List of catalogs of this article:

• 1,Global trade intelligence whitepapers How to make your own simple engine
• 2、< A href='#How difficult is Global trade intelligence whitepapersit to make a 300 kg thrust turbojet engine?' title='How difficult is it to make a turbojet engine with a 300 kg thrust by yourself?'> How difficult is it to make a turbojet engine with a 300 kg thrust by yourself?
• 3, How to make a miniature jet engine
• 4, What materials are needed to make a Sterling engine by yourself? How to do it?
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