Stirling Engine Model Military Helicopter Design Science Metal Toy Collection Children Kids Educational Experiment

Armed Version Helicopter Horizontal Single Cylinder Vacuum Stirling Model Toy - Silver

Features:

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 rotating wing, heat energy will convert into mechanical work.
Great educational toy, classroom or laboratory experimental teaching aids, cultivate children's interest in physics.
Perfect gift for your friends or families; also the helicopter design is a super addition for home decor.
The stirling engine model produced with quality material and fine workmanship to avoid rusting and prolong life.

Usage:
Placed the Stirling engine in a horizontal position, use your hand to toggle the flywheel to see if it is smooth.
Check if every sliding parts is clean.
Light the alcohol burner, toggle the flywheel after 2 minutes.

Note:
After using it please let the engine natural cool.
Do not touch the alcohol burner burned tube or the metal to avoid burns.
Rods at both ends of the moving joint parts need to regularly add oil lubrication.
Please be careful of the angular parts while the engine working.

Specifications:

.Color: As Shown
.Material: Aluminum Alloy + Copper + Stainless Steel
.Product Weight: 700g
.Package Dimensions: 19*11*14cm
.Package Weight: 750g
.Packing: Box

Package Content:

.1Set x Stirling Model Toy