Mini Hot Air Stirling Engine Model Power Generator Motor Physics Educational Toy

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Package Included

1 x Stirling Engine Model Kit

1 x Alcohol Lamp

 

Specifications

1. Name: Stirling Engine Model Kit

2. Model: E23553

3. Color: Silver

4. Materials: Aluminum alloy+Stainless steel+Thickened glass

 

Features

-Engine principle is intuitive, educational toys. Exquisite workmanship made, good for gift presentation as well powerful, ready to run, good for physics teaching demonstration.

-Powered by only a small alcohol lamp, you can make it fast rotation and strong power.

-As the external combustion engine to avoid the traditional internal combustion engine of the explosion to do work, in order to achieve a high efficiency, low noise, low pollution and low operating costs.

-The biggest advantage of the external combustion engine output and efficiency from the influence of altitude, very suitable for high altitude areas.

 

Instructions

-The engine model on the horizontal position by hand toggle the flywheel to see if smooth, if there is a strong sense of raw astringent, check the connection rod is normal, whether the cylinder oil and dust, and if so, please use toilet paper to erase Not smooth. Toggle the flywheel feel pressure rebound within the cylinder body is a normal phenomenon, the cylinder is sealed.

-The packing bag of alcohol lamp cotton wear into the metal cap lamp.

-Please go to the pharmacy to buy 95% purity alcohol, anhydrous industrial alcohol better. Fill the alcohol lamp to less than two-thirds.

-Alcohol lamp to the alcohol lamp, at the premise of ensuring safety, ignite the alcohol lamp about 2 minutes after the flywheel, until the flywheel automatic operation so far, the whole process of heating, hands may not touch.

-Led lights can be directly into the generator output interface, if not inserted, the exchange can be positive and negative, led a long foot for the cathode.

 

Safe End Procedure

-After use, allow the engine to cool naturally.

-After the engine cools naturally, keep the engine out of the reach of small children.

-Children in adults under the care of the use of the engine, so as not to burn or break accidentally broken bar injury.

 

Note

-Do not touch the baked test tube and the connected metal.

-After long time lighting, the alcohol lamp can not be touched.

-Suitable for people ≥8 years old, and need to operate under the guardianship.

-When heating, do not touch the tube of alcohol lamp tube, combustion will produce moisture, if touched, may lead to tube cracking.

-Both ends of the connecting rod joint activities need to add regular oil lubrication, the piston can not refuel, otherwise it will not work the resistance.

Stirling Engine Hot Air Model Motor Child Educational Kit Fun Projects Heat Engine

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Feature:
- Physical Science DIY Kits - Stirling Engine Model, physical motor heat power electricity generator external combustion engine model kits
- Theory - Similar to internal combustion engine: the burning alcohol lamp provides heat power to make the expansion of gas inside, then the gas molecular internal power increasing and working strongly to the flywheel. With the help of the flywheels, heat energy will convert into mechanical work
- Great Educational Toy - Classroom or laboratory experimental teaching aids, cultivate children'sinterest in physics, more intuitive and easy to understand
- Not only is it an excellent educational toy for children, but it can also be used as a collectible.
- The product is suitable for people over 14 years old.
- Tips: Be careful not to be burnt by high temperature during the operation.

Specification:
Material: Metal + Plastic + Rubber
Assembled Size(LxWxH): Approx. 16 x 8.5 x 11 cm
Bulb size: 9cm

Package Includes:
1 x Stirling Engine Model (with replacement parts)
1 x Bulb

Mini Hot Air Stirling Engine Model Power Generator Motor Physics Educational Science Toy

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Specifications

1. Name: Stirling Engine Model Kit

2. Model:E23548

3. Color: Gold

4. Materials: Aluminum alloy+Stainless steel+Thickened glass

5. Size:205*114*140mm

 

Features

-Engine principle is intuitive, educational toys. Exquisite workmanship made, good for gift presentation as well powerful, ready to run, good for physics teaching demonstration.

-Powered by only a small alcohol lamp, you can make it fast rotation and strong power.

-As the external combustion engine to avoid the traditional internal combustion engine of the explosion to do work, in order to achieve a high efficiency, low noise, low pollution and low operating costs.

-The biggest advantage of the external combustion engine output and efficiency from the influence of altitude, very suitable for high altitude areas.

 

Instructions

-The engine model on the horizontal position by hand toggle the flywheel to see if smooth, if there is a strong sense of raw astringent, check the connection rod is normal, whether the cylinder oil and dust, and if so, please use toilet paper to erase Not smooth. Toggle the flywheel feel pressure rebound within the cylinder body is a normal phenomenon, the cylinder is sealed.

-The packing bag of alcohol lamp cotton wear into the metal cap lamp.

-Please go to the pharmacy to buy 95% purity alcohol, anhydrous industrial alcohol better. Fill the alcohol lamp to less than two-thirds.

-Alcohol lamp to the alcohol lamp, at the premise of ensuring safety, ignite the alcohol lamp about 2 minutes after the flywheel, until the flywheel automatic operation so far, the whole process of heating, hands may not touch.

-Led lights can be directly into the generator output interface, if not inserted, the exchange can be positive and negative, led a long foot for the cathode.

 

Safe End Procedure

-After use, allow the engine to cool naturally.

-After the engine cools naturally, keep the engine out of the reach of small children.

-Children in adults under the care of the use of the engine, so as not to burn or break accidentally broken bar injury.

 

Note

-Do not touch the baked test tube and the connected metal.

-After long time lighting, the alcohol lamp can not be touched.

-Suitable for people ≥8 years old, and need to operate under the guardianship.

-When heating, do not touch the tube of alcohol lamp tube, wick combustion will produce moisture, if touched, may lead to tube cracking.

-Both ends of the connecting rod joint activities need to add regular oil lubrication, the piston can not refuel, otherwise it will not work the resistance.

Package Included

1 x Stirling Engine Model Kit

1 x Alcohol Lamp

1 x Standby Test Tube

1 x Conveyor Belt

Newest Version 16 Cylinder Dual Fuel Bottle Hot Air Motor Generator Creative Stirling Engine Model Toy

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Newly 16 Cylinder Dual Fuel Bottle Hot Air Motor Generator Creative Stirling Engine Model Toy

Description:
Item Name :Hot Air Stirling Engine Model
Weight: 1000g
Model: 16 Cylinders (8 Heating Pipes + 8 Cooling Pipes)
Material: Stainless Steel; base:wood
Color: Silver
Size: 21.5x10x16.5cm/8.46”x3.9”x6.49”

A Stirling engine is a heat engine that operates by cyclic compression and expansion of air or other gas, the working fluid, at different temperature levels such that there is a net conversion of heat energy to mechanical work.The engine is like a steam engine in that all of the engine's heat flows in and out through the engine wall.

Features:
- Newly upgraded dual fuel bottle
-This is an external combustion engine in which the fuel is burned continuously, and the piston is moved by the expansion of air as a medium, and the expansion gas is cooled in the cold chamber, and the cycle is repeated. Only a small alcohol lamp, you can make it fast rotation and strong power.
-As the external combustion engine to avoid the traditional internal combustion engine of the explosion to do work, in order to achieve a high efficiency, low noise, low pollution and low operating costs.
-The biggest advantage of the external combustion engine output and efficiency from the influence of altitude, very suitable for high altitude areas.
- Aerodynamics are rich in knowledge of physics, Engine principle is intuitive, educational toys, teaching experimental equipment can effectively cultivate children's interest in learning can also be used for classroom teaching, more intuitive and easy to understand.
-A floating bead links 8 cylinders and its piston to drive based on the motor power from hot air, hard to believe it is a engine model, super cool,8 cylinders, 8 heating tube
-8 fire-outlet sparks the fire flame to the stainless heating tube, cool

Instructions:
-The engine model on the horizontal position by hand toggle the flywheel to see if smooth, if there is a strong sense of raw astringent, check the connection rod is normal, whether the cylinder oil and dust, and if so, please use toilet paper to erase Not smooth. Toggle the flywheel feel pressure rebound within the cylinder body is a normal phenomenon, the cylinder is sealed.
-The packing bag of alcohol lamp cotton wear into the metal cap lamp.
-Please go to the pharmacy to buy 95% purity alcohol, anhydrous industrial alcohol better. Fill the alcohol lamp to less than two-thirds.
-Alcohol lamp to the alcohol lamp, at the premise of ensuring safety, ignite the alcohol lamp about 2 minutes after the flywheel, until the flywheel automatic operation so far, the whole process of heating, hands may not touch.
-Led lights can be directly into the generator output interface, if not inserted, the exchange can be positive and negative, led a long foot for the cathode.

Note:
1.Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.
2.Please allow little differs due to manual measurement.

Package Included:
1 x Stirling Engine Model

Low Temperature Hot Air Stirling Engine Model Ultra Mini Education Physics Experiment Kit

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Specification:
Name: Low Temperature Hot Air Engine Model 

Size (Dia*H): φ89*135mm

Material: Metal Aluminum

Surface Treatment: Anodic Oxidation

Product Weight: 152g

Features:
1. . This low temperature stirling engine, runs on a hot cup of water (Do not put it above a candle or other fire), could be a great conversation starter at work and unique gift to families or friends or for class demonstrations.

 

2. It is almost ready to run: after the installation, put it on a cup of hot water or Ice water, wait about 20 seconds, gently flip the wheel,then it will run itself.

 

3. Basically you can run this engine up to 20 minutes with a cup of warm water (the engine must be cool). The bigger the temperature difference between the top and bottom plates the higher RPM you will get. This works best with a hot cup of water underneath and an ice cube in a plastic bag on the top (there is plenty of room for one ice cube on top).

 

4. Durable, well made, sytlish, and adjustable.Very fantastic craftsmanship, made with Metal Alloy.

 

5. If there is a little noisy, ONLY use a little graphite dry lube or a pencil quieted it down nicely. Do not use oil to lubricate,which will mix with dust in the air, and become a oil-dirt, finally make the friction to be even bigger.The stirling engine can't run smoothy.

Principle:

This low temperature stirling engine,runs on a hot cup of water (Do not put it above a candle or other fire). The engine's speed depends entirely upon the temperature difference between the hot side and the cold side. In the case of using a cup of hot beverage, not only is the engine transferring the beverage's heat to the surrounding air, there are air currents constantly crossing the top (cold) plate. The differing temperatures will cause the engine to slow or speed according to the net difference between the two plates. For some extra fun, you could obtain a USB-powered cup warmer and place engine on that. After the warmer finally made it to full temperature, the engine will chug along like a champ. 

Package Included:
1 x Low Temperature Hot Air Engine Model

STEM External Combustion Double-cylinder Stirling Engine Model

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Description:
Item Name: Double-cylinder Engine
Model Size: 210X132X100mm
Flywheel Diameter: 54mm
Piston Diameter:16mm
Piston Stroke: 16mm
Inner Diameter of the Heating Pipe: 19mm
Diameter of Belt Pulley: 24mm

Instructions:

-The engine model on the horizontal position by hand toggle the flywheel to see if smooth, if there is a strong sense of raw astringent, check the connection rod is normal, whether the cylinder oil and dust, and if so, please use toilet paper to erase Not smooth. Toggle the flywheel feel pressure rebound within the cylinder body is a normal phenomenon, the cylinder is sealed.

-The packing bag of alcohol lamp cotton wear into the metal cap lamp.

-Please go to the pharmacy to buy 95% purity alcohol, anhydrous industrial alcohol better. Fill the alcohol lamp to less than two-thirds.

-Alcohol lamp to the alcohol lamp, at the premise of ensuring safety, ignite the alcohol lamp about 20 seconds after the flywheel, until the flywheel automatic operation so far, the whole process of heating, hands may not touch.

Package Included:
1 X Double-cylinder Engine

STEM Four-cylinder Engine External Combustion V4 Stirling Engine Model

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Description:
Item Name: Four-cylinder Engine
Model Size: 270X165X160mm
Flywheel Diameter: 64mm
Piston Diameter:16mm
Piston Stroke: 20mm
Inner Diameter of the Heating Pipe: 20mm
Diameter of Belt Pulley: 29mm

Instructions:

-The engine model on the horizontal position by hand toggle the flywheel to see if smooth, if there is a strong sense of raw astringent, check the connection rod is normal, whether the cylinder oil and dust, and if so, please use toilet paper to erase Not smooth. Toggle the flywheel feel pressure rebound within the cylinder body is a normal phenomenon, the cylinder is sealed.

-The packing bag of alcohol lamp cotton wear into the metal cap lamp.

-Please go to the pharmacy to buy 95% purity alcohol, anhydrous industrial alcohol better. Fill the alcohol lamp to less than two-thirds.

-Alcohol lamp to the alcohol lamp, at the premise of ensuring safety, ignite the alcohol lamp about 20 seconds after the flywheel, until the flywheel automatic operation so far, the whole process of heating, hands may not touch.

Package Included:
1 X Four-cylinder Engine

Vertical Type Stirling Engine Full Mental Engine Model Gift Collection

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Description:
Item Name: Vertical Type Stirling Engine
Item No.: M12-01
Model Size: 56X120X90mm(L*W*H)
Flywheel Diameter: 64mm
Piston Diameter:12mm
Piston Stroke: 20mm
Inner Diameter of the Heating Pipe: 20mm
Diameter of Belt Pulley: 25mm

Instructions:

-The engine model on the horizontal position by hand toggle the flywheel to see if smooth, if there is a strong sense of raw astringent, check the connection rod is normal, whether the cylinder oil and dust, and if so, please use toilet paper to erase Not smooth. Toggle the flywheel feel pressure rebound within the cylinder body is a normal phenomenon, the cylinder is sealed.

-The packing bag of alcohol lamp cotton wear into the metal cap lamp.

-Please go to the pharmacy to buy 95% purity alcohol, anhydrous industrial alcohol better. Fill the alcohol lamp to less than two-thirds.

-Alcohol lamp to the alcohol lamp, at the premise of ensuring safety, ignite the alcohol lamp about 20 seconds after the flywheel, until the flywheel automatic operation so far, the whole process of heating, hands may not touch.

Package Included:
1 X Vertical Type Stirling Engine

Stirling Engine Model Motor Gift Science Physical Laboratory Toy

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Description:
Size: 15.5*8*9cm(L*W*H)
Colour: Silver

Operation Procedure:
1.Fire the alcohol lamp, preheat the tube approx 50-60s;
2.Take off the rubber belt which connected between big wheel and electric generator;
3.Turn the big wheel by hand, let the machinerun a while;
4.Saaembly the rubber belt;
5.Turn the big wheel by hand, machine and electric generator working, LED Lighting.

Note:
1. Using alcohol with purity≥95%.
2.Don't touch the glass when using.
3.Be careful the alcohol spitting out, is was very dangerous.
4.Using a cap to suffocate the alcohol lamp, never blown by mouth or spit water to douse.
5.If the alcohol spitting out and was fired, don't be panic, use a wet rag to cover the fire.

Package Included:
1* Stirling Engine
1* English Manual

STEM DIY Mini Air Stirling Engine Generator Motor Model Educational Steam Power Toy

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Material:

1. The bottom plate is made of brushed aluminum alloy, which is exquisite and beautiful.

2. The bracket is finished with CNC finishing, firm and strong

3. The flywheel is made of aluminum alloy, which combines texture and beauty.

4. The connecting rod is cut by stainless steel laser

5. The heating cylinder is specially made thick glass material, long-term heating without pressure

 

Features:
The Stirling Engine Principle was invented in 1816 by a pastor Robert Stirling in London, so it was named Stirling engine. The Stirling engine is a unique heat engine because their theoretical efficiency is almost equal to the theoretical maximum efficiency, called the Carnot cycle efficiency. The Stirling engine is powered by the expansion of the gas and the contraction of the cold. This is an external combustion engine in which the fuel is continuously burned, the expanded air (helium ) acts as a medium to move the piston, and the expanded gas is cooled in the cold chamber, and such a cyclic process is repeatedly performed. Only a small alcohol lamp is needed to make it fly fast and powerful.

 

Package included:

1x Stirling Generator Model

1x User Manual

Upgrade Stirling Engine Model Military Helicopter Design Science Metal Toy Collection

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Description:

Item Name:Military Helicopter Engine    

Size: 210 X 100 X 140mm

Weight: About 700g

 

Material: 

Engine Body: Aluminum Alloy, Stainless Steel

Base:Acrylic Plexiglass Plate. 

Cylinder Piston Copper,  

The screw parts are stainless steel

 

Speed: up to 300-1000 RPM

Warm-up time: 1 to 2 minutes

Fuel: 95% medical alcohol

Working time: 20minutes

 

Note:

1.After using it, please let the engine natural cool.

2.Do not touch the alcohol burner, burned tube or the metal to avoid burns.

3.Rods at both ends of the activities of joint parts need to regularly add oil lubrication.

 

Packing including:

1x Military Helicopter Engine    

SH-02 Hot Air Stirling Engine Model Tractor Educational Discovery Toy Kits

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Description:
Item Name: Flame engine  
Size: 148 (L) X 98(W) X 128(H) mm
Weight: 1.35kg
Material: Base:acrylic plexiglass plate. Cylinder Piston Copper, Flywheel Copper. The screw parts are stainless steel

Speed: up to 100-1000 RPM
Warm-up time: 1 to 2 minutes
Warm-up method: Ignite the flywheel until the machine is running
Fuel: 95% medical alcohol

Cylinder Lubricant: 3000 mesh Graphite Toner Apply the inside of the cylinder to clean the remaining powder

Maintenance: the model for the open cylinder, all when the flywheel feel the resistance is not easy to start when you can use a random tool to remove the cylinder and wipe the cylinder with a paper towel and piston smear graphite powder after re-assembly can be normal operation (debugging step reference video Explain)

Packing including:
1x Flame engine

Low Noise Hot Air Stirling Engine Model With Light

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Instructions:

The engine model on the horizontal position by hand toggle the flywheel to see if smooth, if there is a strong sense of raw astringent, check the connection rod is normal, whether the cylinder oil and dust, and if so, please use toilet paper to erase Not smooth. Toggle the flywheel feel pressure rebound within the cylinder body is a normal phenomenon, the cylinder is sealed.

The packing bag of alcohol lamp cotton wear into the metal cap lamp.

Please go to the pharmacy to buy 95% purity alcohol, anhydrous industrial alcohol better. Fill the alcohol lamp to less than two-thirds.

Alcohol lamp to the alcohol lamp, at the premise of ensuring safety, ignite the alcohol lamp about 2 minutes after the flywheel, until the flywheel automatic operation so far, the whole process of heating, hands may not touch.

 

Description:

Top/bottom cover + bracket Material:good quality carbon steel + nickel

Bushing material:brass

Cylinder material:glass

Gas distribution piston material:PVC foam

Feature:

1.High speed and long time running without wear and tear.

2.Easy flammable, powerful, high performance.

3.The bracket and flywheel are made of the finest materials, which make the machine a perfect combination of strength and beauty.

4.LED light directly demonstrates the process of converting thermal energy into electrical energy.

 

Operation Procedure:

fire the alcohol, preheat the tube approx 50-60 s.

take off the rubber belt which connected between big wheel and electric generator.

turn the big wheel by hand, let the machine run a while.

assembly the rubber belt.

turn the big wheel by hand, machine and electric generator working,LED lighting.

 

Note:

-There will be the operation of steam,when steam too much time, the engine will stop working,

inside and outside the needle often set aside to reduce friction

-Do not rotate the nut too tightly, otherwise the glass is broken, if the piston is cracked,

can be bonded with glue.

-The alcohol lamp wick do not touch the glass, do not get too tight ring

-Pulling the piston connecting rod can not force the front end, because the front

end is easy to break

-Using alcohol with purity ≥95%

-Don't touch the glass when using.

-Be careful the alcohol spitting out, it was very dangerous.

-Using a cap to suffocate the alcohol lamp, never blown by mouth or spit water to douse.

-IF the alcohol spitting out ans was fired, don't be panic, use a wet rag to cover the fire.

 

Package Included:

1 kit of Stirling Engine Model

1x user manual

Mini Vertical Hot Air Stirling Engine Alcohol Lamp Engine Physics Experiment Education Model Gift

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Specification: 

Material: Metal

Type: Model

Size: 54mm bottom diameter, 123mm height 

Weight: 157g

 

Features:

1.This engine is exquisite in appearance, small and exquisite.

2.Piston and cold cylinders are all made of metal, durable, the heating head is quartz tube, instantaneous high temperature or cooling will not be broken.

3.Just a little alcohol can make it quickly run up, whether as an experimental teaching material or give it away is the best choice.

4.The design structure is exquisite, easy to dismantle, can cultivate children's hands-on ability.

 

Package Included: 

1* stirling engine 

1* alcohol lamp

Teching DM34 Steam Car Model Stirling Engine Full Metal Model Toy

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Description:
Brand: Teching
Item No.: DM34
Material: Stainless Steel + Aluminum Alloy
Assembled Size:245*107*134mm
Weight: About 1500G
Quantity Of Parts: 272PCS
Electric Current:10V-20V
Battery: 500mAh*2

Note: The Car Model is Not Assembled, you need to build it by yourself.

Package Included:
1 X  Steam Car Model

116ML Hot Air Stirling Engine Model Generator Motor Educational Steam Power Toy

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Specifications

Boiler capacity: a maximum of 116ML with a single water addition

Material:Bottom plate made of Bakelite, painted on the surface, brass, aluminum alloy

Color:Silver+black

Size:195mm*100mm*110mm

 

Feature

-Aerodynamics are rich in knowledge of physics, single cylinder combustion engine. Engine principle is intuitive, educational toys,

teaching experimental equipment can effectively cultivate children's interest in learning can also be used for classroom teaching, more intuitive and easy to understand.

-As the external combustion engine to avoid the traditional internal combustion engine of the explosion to do work, in order to achieve a high efficiency, low noise, low pollution and low operating costs.

 

Instructions

1.Add alcohol in the alcohol lamp (to avoid machine oil fume pollution, please do not use fuel other than alcohol jiare)

2.Igniting the alcohol lamp under the premise of safety

3.After the water is boiled, the flywheel can be started when the cylinder has steam.

4.The machine must not touch any position other than the flywheel during the heating process to avoid high-temperature burns. Children should use the machine under adult supervision.

5.When the steam engine is not in use, pour the water out of the boiler

 

Please note

Prohibit dry burning! First of all, water should be added from the water inlet (preferably

with water for injection and the machine does not contain injection) to heat the boiler.

The water vapor tube has been connected to the steam engine through the base.

After the water boils, the flywheel can be operated.

 

Package included

1 x Steam Engine Boiler Model

Hot Air Stirling Engine Power Generator Steam Engine Motor Model Educational Toy

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Specifications:

Material:Aluminum alloy,glass

Color:Silver gold

Size:113x105x60mm

 

Instructions:

-Place the engine model in horizontal position,make sure there is no wind flow in presence,and unscrew the valve(water- injection screw cover) in the boiler to add water.Note the water can only be added to 2/3 of the capacity!

-Add alcohol into the spirit lamp to 2/3 of the capacity,place wicks into the copper cover and place the two spirit lamps into the two lamp bases under the boiler.Ignite the spiritlamps with the precondition that safety is ensured and heat the boiler.

-Heat the boiler water to the boiling point,rotate the flywheel(follow the starting direction shown in the figure)until the flywheel can rotate by itself.

-Under anhydrous conditions prohibit heating steam boiler,the model may cause serious injury!

 

Note:

-This engine is perfectly for kids over 12 years old.

-There will be the operation of steam,when the steam too much, the engine will stop working,

inside and outside the needle often set aside to reduce friction

-Do not rotate the nut too tightly, otherwise the glass is broken, if the piston is cracked,

can be bonded with glue.

-The alcohol lamp wick do not touch the glass, do not get too tight ring

-Pulling the piston connecting rod can not force the front end, because the front

end is easy to break

 

Package included:

1 Set of Stirling Engine model

Blue Mini Hot Air Stirling Engine Motor Model Educational Toys Kit with LED Light

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Use the alcohol lamp to burn a test tube, and then hand-assisted turn the wheel, the machine will automatically run. It is a amazing and fantastic product at this price,it can be a great gift to your families or friends. It also can be used for teaching purpose.

Many of our ustomers comes from school,colleague,etc.
What is the stirling engine?
A Stirling engine is a heat engine that operates by cyclic compression and expansion of air or other gas, the working fluid, at different temperature levels such that there is a net conversion of heat energy to mechanical work.The engine is like a steam engine in that all of the engine's heat flows in and out through the engine wall.

How it works?
This is traditionally known as an external combustion engine in contrast to an internal combustion engine where the heat input is by combustion of a fuel within the body of the working fluid. Unlike the steam engine's use of water in both its liquid and gaseous phases as the working fluid, the Stirling engine encloses a fixed quantity of permanently gaseous fluid such as air or helium. As in all heat engines, the general cycle consists of compressing cool gas, heating the gas, expanding the hot gas, and finally cooling the gas before repeating the cycle.

 net weight: 29.42 oz    shipping weight: 31oz

1 - MEDIUM BOX

packing list:
1 x stirling engine
1 x  alcohol lamp

Teching All-Metal Stirling Engine DIY Model Collection Gift Developmental Science Toy DM20

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Description:
Brand: Teching
Item No.: DM20
Quantity of Parts: 67pcs
Net Weight: 240g
Battery: 500mAh*2 (Include)
Working Voltage: 10-20V
Charging Time: About 40 minutes
Display Time: More than 30 minutes
Age: More than 10 years old
Packaging: Retail Box and Gift Bag
For English manual, please click here
 
Package Included:
1 X Teching Model
2 X  500mAh batteries

Teching Galileo Pendulum Clock Full Aluminum Alloy Stirling Engine Model DM25

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Description:
Brand Name:Teching
Item Name: Galileo Pendulum Clock Engine Model
Item No.:DM25
Size: 142×58×200mm
Weight: About 1600g
Material: Aluminium Alloy
Age: Kids over 10 years old
Pares Quantity: 91 PCs
For English Manual Please Click Here.
 
Packaga Included:
1 × Four-Cylinder Engine Model