ENJOMOR DIY Assembly Stem Educational Toy Metal Stirling Helicopter Model Kit Gamma Hot Air Stirling Engine Model

ENJOMOR DIY Assembly Stem Educational Toy Metal Stirling Helicopter Model Kit Gamma Hot Air Stirling Engine Model

Features:

.It is not only a beautiful helicopter,but also powered by Gamma Stirling Engine. It can not fly, but when lighting the alcohol lamp , the spinister will spin as if it is ready to take off.
.Modeling by CAD and making by CNC elaborated craft. The body adopt aluminium and stainless steel. The stainless steel heating tube will not brust even in extremely thermal expansion environment.
.There are hundreds of parts and you can assemble according to the illustrated instruction. You can see the working helicopter after assembled which operate stably and combine with quality can beauty.
.Inject 95% alcohol to the alcohol lamp and light it up, place under the heating cylinder for preheating. Stir the flywheel manually to start and the Stirling helicopter can run continuously. Do not touch the heating part while operating for avoiding scalding. Do not use any oil lubrication on the cylinder or piston.
.This is a interesting toy which filled with imagination and catches people__ eyes. It is suitable to be as a teaching and learning tool and scientific experiment to cultivate creativity. Makes ideal gift for birthday and Christmas.

Age: 12+

Specifications:

.Material: Aluminium Alloy + Copper + Stainless Steel
.Product Version: KIT
.Body Length: 386.6mm
.Body Height: 122.6mm
.Heliport Base Dimensions: 190 x 190 x 20mm
.Main Rotor Diameter: 330mm
.Tail Rotor Diameter: 80mm
.Heating Tube Diameter: 15mm
.Product Weight: 995g
.Package Dimensions: 21 x 21 x 21cm
.Package Weight: 1350g
.Packing: Box

Packing List:

Stirling helicopter model kit * 1, installation tools * 1 , instructions * 1