ENJOMOR Stirling Engine Metal Low Temperature Difference LTD Coffee Engine Gear Transmission Heat Engine Model

ENJOMOR  Stirling Engine Metal Low Temperature Difference LTD Coffee Engine Gear Transmission Heat Engine Model

Features:

LTD Stirling Engine:
Fantastic intelligent machine made of aluminum alloy + brass metal cnc, with bearing rolling friction pairs for all moving parts in γ-type air displacement piston type and gear transmission structure design.The side of the base is processed in Mirror design, exquisite and beautiful.

Simple Operation and Easy-to-use:
Place it on a water cup or coffee cup with a temperature of 90 degrees Celsius or more. After half a minute of preheating, the swing flywheel can operate magically. It will be a toy that you can enjoy on your desk.

Durable and Continuous Operation:
After many tests, the engine runs for at least 100 minutes at one go. It is not easy to damage and operates silently. As long as the temperature difference is maintained, it will run for a long time without stopping, and can be placed on your desk or desk for a long time.

Applications:
 It is an affordable and interesting product, it can be used for scientific experiment projects, energy conversion and dynamics research, teaching demonstration teaching aids. It is a magical toy to start a conversation with your friends, and everyone will be curious about how it works.

Best Gift:
It is a superb birthday and Christmas gift that can create surprises for friends, family, parents, and children. It is an exquisite toy for many mechanical enthusiasts, model collectors, and a great teaching tool favored by school teachers.

Note:
 If there is a little mechanical noise, use only a little graphite to lubricate it to quiet it down. You can scrape off the graphite from the pencil with a knife. It is forbidden to add oil for lubrication, because the oil will mix with the dust in the air to become oily. This will increase the friction. Then the Stirling engine cannot run freely.

 Age: 8+

Specifications:
.Color: Golden Silver
.Material: Aluminum Alloy + Brass
.Product Dimensions: 9 x 9 x 11.5cm
.Product Weight: 145g
.Package Dimensions: 14 x 14 x 17cm
.Package Weight: 500g
.Packing: Box
 

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 TimeQ5 : 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 service@enginediy.com and we will be in touch with a status update.
 
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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.