STL-LS Mini Colorful Beta Hot Air Stirling Engine External Combustion Engine Model
Features:
.The Stirling engine, named after London's Reverend Robert Stirling who invented it in 1816, is a marvel of engineering. .Powered by the expansion and contraction of gas through heating and cooling, the Stirling external combustion engine uses continuous fuel combustion relying on expanding air (or ammonia or hydrogen) to move the piston, which then cools in the cold chamber, creating a repeating cycle. .Precise Craftsmanship: Featuring meticulously CNC-machined from aluminum alloy, this exquisite model combines both texture and aesthetics with a gold electroplating finish. Comes with a wooden base for easy display and collection. The thick durable glass withstands prolonged heating and operation. .Mechanical Insight: Observe the entire operational process of the engine, understand the structure and principles, and witness the fascinating energy conversion. It is a peerless assistant to enhance hands-on skills, spark learning interest, and stimulate creativity. .Perfect Gift: This captivating and impressive model, serving as a conversation starter on any desk, combines with the box, adding overall beauty and value. Ideal for a great Christmas or birthday gift for family and friends, children, teachers, students, and anyone passionate about technology.
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.
Q3 : What is the shipping cost?A3 : For giving customer good shopping experience, we offer free international shipment.
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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.
