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Original price was: $129.99.$109.99Current price is: $109.99.
1. Free Shipping Of All /Return guarantee /Payment secure.
2. Please contact us for Wholesale
A vacuum engine is also called flame-licker engine, flame-engine, flame-dancer. The engine model derives its force from air pressure against one side of the piston, which has a partial vacuum on the other side of it. With Helicopter design, looks more attractive and unique. Ideal gift for friends or families.
Features:
1, HIGH CRAFTSMANSHIP—- The helicopter design Stirling engine is made of aluminum alloy and stainless steel, the cylinder is made of tin bronze, the surface is gold and silver, cool and charming.
2, WORKING THEORY—- burning alcohol lamp provides heat power to make the expansion of gas inside, then the gas molecular internal power increasing and working strongly to the flywheel. With the help of the flywheels, heat energy will convert into mechanical work.
3, POWERFUL PERFORMANCE—-Once this engine runs, you will be wowed. People love the sound and the power it reveals. It runs speed range: 300-1000 RPM
4, ASSEMBLY REQUIRED— Aircraft blade hasn’t been assembled yet, so it requires you to assemble it. If there is any issue, please contact us with detailed video instruction. Thanks!
5, PRIORITY GIFT OPTION FOR MANY APPLICATIONS—-It is an amazing and fantastic product at this price. Its elegant gift package makes it spruce up and presentable. It has a wide range of application as, great gift for Kids’ science project, Physical/mechanical learning, teacher’s Demo props on the class, birthday gift for friends, families, parents, kids, etc. Many of our customers come from school, colleague, etc.
Tips:
1, After using it, please let the engine natural cool. Don’t touch the alcohol burner, burned tube or the metal to avoid scald.
2, Rods at both ends of the activities of joint parts need to regularly add oil lubrication.
3, Please be careful for the shape part when the engine works!
4, The Stirling engine model is suit for people over 14 years old. Operate under adults’ supervision.
Description:
Item Name:Military Helicopter Engine
Material: Aluminum Alloy + Copper + Stainless Steel
Base:Acrylic Plexiglass Plate.
Size: 210 X 100 X 140mm
Speed: up to 300-1000 RPM
Warm-up time: 1 to 2 minutes
Fuel: 95% medical alcohol
Working time: 20minutes
Packing: Box
Package Content:
1Set x Military Helicopter Engine
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.
Q4 : What is the shipping time?
A4 : For expected delivery date, please check in this page: Expected Delivery Time
Q5 : How do I track my package?
A5 : 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.
Questions about Payment & Order
Q1 : What payment terms you can accept?
A1 : For payment, we accept Paypal and Credit Card.
Q2 : My payment was declined, why? How to solve it ?
A2 : If you made the purchase via Credit Card and failed, could you please contact with Stripe Support Team for solution? Or if the issue can be solved, please no worry, we accept Paypal payment as well.
Q3 : How do I cancel my order?
A3 : For the order, if not shipped out yet, please contact with our Service Support Team , we will cancel your order and give you full refund.
Q4 : Is my information is securing using this site?
A4 : Yes, Enginediy.com takes precautions to protect your personal information. When you submit sensitive information via the website, your information is protected both online and offline. Please don’t worry for this.
Q5 : What if my address is wrong?
A5 : If the recipient’s address was wrong, after the failed delivery, the parcel should be returned back to sender. After we receive the parcel, we will contact you for an updated address and arrange the new shipment.
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 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.
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