High-end Precision All-metal Four-cylinder Stirling Engine Model Assembled Movable Metal Mechanical Engine
Features:
.The appearance is exquisite, the style is domineering, and it looks very mechanical and technological. .Selected high-quality materials, the body is made of pure metal, superior performance, stable and strong. .The bottom plate is solid wood and high-end atmosphere. .Finely crafted, the surface of the product is finely treated, smooth and bright, emitting a golden and silver brilliance, without rusting and fading, achieving a dual combination of texture and beauty. .The machine's power performance is very good, plus can continue to run for 15-20 minutes, the speed of 800-2000 revolutions per minute. .During operation, the engine model is placed in a horizontal position, and alcohol is injected into the alcohol lamp to ensure the safety of the alcohol lamp, the alcohol lamp heats the piston tube, and the dry air expands to generate power, which drives the engine to run quickly. .95% alcohol (self-prepared) should be used in the operation. .Water, kerosene, gasoline, lighter oil, and liquor should not be added. .Education and fun, through the hands-on operation, you can observe the entire Stirling engine operation process, more intuitive understanding of Stirling power generation principles, and deepen your interest in physics learning. .The product itself has been assembled and can be directly used, and its superior quality and exquisite appearance also make it a high collection value, which can be used as a high-end gift. .The product is suitable for people over 14 years old. .Tips: Be careful not to be hot to the high temperature during the operation.
Questions about Shipment Q1 : Do you ship worldwide?A1 : Yes, we can ship worldwide. Q2 : Where you ship goods from?A2 : Our warehouse is located in China, the goods will be shipped from China mainland.
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Questions about Return & RefundsQ1 : What items are returnable?A1 : a)- We can accept returns or exchanges within the 30-day period. b)- All returned items must be in the original condition: unused, unwashed, and unworn. No exceptions. Q2 : How do I return a product?A2:Contact with Enginediy Service Team service@enginediy.com to confirm details to make sure the item is meet the return condition. After the agreement, Service Team will send the detailed return information, please offer return tracking number after return shipment.Q3 : What is you refund policy?A3 : Refunds are processed within 1-5 business days, after you received our confirmation on the cancellation.
Q4 :How will you refund me?A4 : The refund are applied to the original payment method.
