DIY Helicopter Model Kit Parts Working Hot Air Stirling Engine Kit-Stirling Engine Model That Works

Features:

1. Innovative Stirling Helicopter Model Kit: Explore the wonders of engineering with our Stirling engine helicopter model kit. This unique toy combines the charm of a helicopter with the ingenuity of Stirling engine technology to provide an educational and entertaining experience for all ages.
2. Interactive learning experience: Gain an in-depth understanding of thermodynamics and mechanical engineering principles while assembling and operating a Stirling engine helicopter. Through hands-on construction and operation, this kit provides a fascinating way to learn about energy conversion and propulsion systems.
3. Durable and safe structure: The product is made of high-quality and safe materials to ensure durability and peace of mind during use. Each component is designed to withstand hours of exploration and experimentation.
4. Easy-to-Follow Assembly Instructions: Enjoy a worry-free build, unleash creativity and imagination, and develop independence and problem-solving skills with the detailed assembly instructions included in the kit.
5. Creative gifts: Experience the thrill of simulated flight and the wonder of Stirling engine technology with our model kits. This is the perfect gift for aspiring mechanical engineers, curious minds, and aviation enthusiasts.

Specifications:

Material: aluminum alloy + stainless steel + brass + walnut
Color: as shown in the picture
Product form: KIT component version
Product weight: 400g
Product size: 250*135*140mm
Wear-resistant glass piston diameter: 9mm
304 stainless steel heating cylinder outer diameter: 11.4mm
Flywheel diameter: 29.5mm
Pulley diameter: 8mm
Precision bearings: 10 pieces
Bevel gear: 4
Circular gears: 2
304 screws + jacking screws: 44 pcs
Startup method: manual startup

Packaging list:

Stirling helicopter model kit*1set
Wooden base*1
Alcohol lamp*1
Screwdriver*1
Instruction manual*1

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 & 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.