Key Points: 1, Top Quality: A selection of excellent materials, the metal hot cylinder is beautiful and durable, and it does not wear at high speed for a long time. The metal bracket and the metal piston are firm and strong. 2, The galvanized aluminum flywheel and the rotating wheel are exquisite and beautiful, and the combination of texture and beauty. Besides, a 1.5W energy-saving light bulb, green and environmentally friendly. 3, The Stirling engine is powered by the expansion of the gas and the compression of the cold. 95% alcohol (self-prepared) should be used in the operation. Water, kerosene, gasoline, lighter oil, and liquor should not be added. Put the engine model in a horizontal position, take out the alcohol lamp, add about 2/3 of the alcohol to the alcohol lamp, ensure the safety, ignite the alcohol lamp, the alcohol lamp heats the piston tube, and the dry air expands to generate power, which drives the flywheel quickly. Rotate to light the bulb, the whole process is quieter. 4, Entertaining and learning, through hands-on operation, you can observe the entire engine power generation operation process, more intuitive understanding of the principle of steam power generation, and deepen your interest in physics (this principle will be learned in the physics book of junior high school).
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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 & Refunds Q1 : 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.