Vintage Airplane Stirling Engine Model Aircraft Helicopter Collection Craft Gift

Description: Product Details Item Name: Mini Hot Air Helicopter Stirling Engine Model SH20 Package Includes:1xStirling Helicopter Model Kit (Recision Bearings: 10Pcs；Umbrella Gears: 4Pcs；304 Screws + Top screws:44Pcs；Spur Gears: 2Pcs) 1x Wooden Base 1x Alcohol Lamp (Without Alcohol)1x Screwdriver 1x Instructions Material: Brass + Stainless Steel + Aluminum Alloy+ Wood Color: As the picture shown Form: Parts Kit Fuel: 95% Purity Alcohol Startup Method: Manual Start Product Weight: Approx. 400g Package Weight: Approx. 550g Product Dimensions: 250x135x140mm Ages: 16+ Function:This product is a spare part and requires DIY assembly, complete spare parts, simple structure and easy assembly. The Stirling engine is creatively combined with the helicopter model. The model is novel and unique. The Stirling engine provides power to drive the helicopter.The product comes with assembly instructions drawings and installation tools, please refer to the instructions for DIY assembly. Place the assembled Stirling helicopter model on a horizontal table or the ground, add about 2/3 of the alcohol to the alcohol lamp, light the alcohol lamp and place it under the heating cylinder to preheat for 30 seconds, and turn the flywheel by hand to assist the start, thereby driving the engine helicopter is walking.This product can be used as a teaching aid or a popular science educational toy to understand and learn the structure and principle of Stirling engine. Make your children fall in love with science through an intuitive experience. It is also an excellent gift for family, friends or children.Tips: Be careful not to get hot during operation.Use 95% alcohol (not included) for fuel, and do not add water, kerosene, gasoline, lighter oil, liquor, etc. Safety Tips: Please read the manual carefully before use and pay attention to the surrounding environment during operation.Allow the engine to cool naturally after stopping before restarting.Avoid prolonged contact with the engine to prevent burns from high temperatures.Children must operate under the supervision of their parents.Do not add any lubricating grease or water to the connecting rod cylinder.After the experiment, please do the final sorting and storage work, and store the experimental equipment out of reach of children.Warm Tips:The product size and weight are measured purely manually, and there may be slight errors, the measurement allowed error is +/- 1-3cm. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.Only the above package content, other products are not included.Your payment does not include Custom duty. You will be responsible for Custom duty in some circumstances.Check with your country's customs office for any additional costs incurred prior to purchase. About Shipping:Once we received cleared full payment, your items will be dispatched within handling time ASAP.Please ensure your shipping address and phone number is correct, if you have any change for address, please inform us in time by eBay message system.If you make more than one order and the delivery address is the same, we will send them in one single package! Unless you have a requirements on it! looking forward to your understanding!If you don't receive your package within the stipulated time, please contact us firstly before contacting eBay, we will give you a satisfactory answer.About Feedback:We would appreciate it if you would take a moment to leave us a positive review or feedback about our products to help us improve our products and services.If you are not satisfied with our products or services, please contact us. Please do not leave any neutral or negative feedback before contacting us.We will do our best to resolve your issue until your satisfaction.If you have any questions or advice, please don’t hesitate to contact us. we will reply within 24 hours on weekdays.About Return:The item comes with 30 Days Money Back Guarantee, we accept the return within 30 days after you receive the item. please contact us first before you start a return, after we received your return, we will refund you immediately.If the item is defective or not as described, we will take the responsibility.Our warranty does not extended to any products that are not under normal operating conditions as a result of misuse or improper installation on the buyer/user's part.Please feel free to send us any questions about your order via the eBay messaging system, your questions will be answered within 24 hours.

Price: 157.25 USD

Location: Chengdu

End Time: 2025-01-25T12:40:01.000Z

Shipping Cost: 0 USD