V Shape Stirling Engine Model Free-piston Double-cylinder High-end Creative Gifts for Collection
.100% brand new with high quality .Exquisite appearance, domineering and eye-catching, looks very mechanical and technological .A selection of high-quality materials, the brass body is firm and strong .Quartz heating tube, quartz gas exchange piston, metal gas exchange piston rod, can run at high speed for a long time without wear .The engine contains two hot cylinders with high power.The hot cylinder and the flywheel are made of brass .The products are made with the details.The whole surface is treated with smooth, bright and golden light.It is not easy to rust and fade, achieving a combination of texture and beauty .During operation, the engine model is placed in a horizontal position, and an alcohol lamp is ignited by injecting alcohol into the alcohol lamp with a syringe to ensure safety .The alcohol lamp heats the piston tube, and the dry air expands to generate power, which drives the flywheel to rotate rapidly.The sound of the operation is very mechanical.Use 95% alcohol (self-prepared) during operation, no water, kerosene, gasoline,lighter oil,liqueur .Education and fun, through the hands-on operation, you can observe the entire Stirling engine operation process, more intuitive understanding of the power generation principle, and deepen your interest in physics learning .The product itself has been assembled and can be directly used .At the same time, its superior quality and exquisite appearance also make it have a high collection value and 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 heat during the operation.
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Q1 : If my password forgotten how to deal with? A1 : Send an Email to: email@example.com. with the same Email of stirlingkit account. Our staff will reset your password as soon as possible. Q2 : Where is my order? A2 : You can track your order on 17track.net. Or if you need a team members help check up please contact with our service team and we will be in touch with a status update. Q3 : Refund A3 : Refunds are processed within 1-5 business days, after you received our confirmation on the cancellation.
Q4 : How to cancel my order ? A4 : You can cancel your order only when your order has not been shipped. Please contact us firstname.lastname@example.org , we will cancel your order and give you full refund.
Q5: Returns A5 :Order purchased in store and online have a 30 day return guarantee.
Q6: How do I return a faulty product? A6 :If you have purchased a product in store that appears faulty, you are welcome to return it to the store for testing, an exchange or refund. Occasionally a product bought online may arrive faulty, if this is the case please contact our friendly customer service
Q7: I want to buy a large quantity of particular products, do you offer volume discounts? A7 : Please contact us for a quote.