ENJOMOR Gamma Hot Air Stirling Engine Helicopter with Base DIY Model Kit Stem Brand_HY MODELS Technical Points: Customized ultra-thin silicon

Technical Points: Customized ultra-thin silicon steel sheet

thanks to the 4WD drive system

and the surface is anodized

The hot cylinder is made of quartz glass

Package Dimensions: 5 x 5 x 8cm

ENJOMOR Gamma Hot Air Stirling Engine Helicopter with Base DIY Model Kit Stem Brand_HY MODELS Technical Points: Customized ultra-thin siliconENJOMOR Gamma Hot Air Stirling Engine Helicopter with Base DIY Model Kit StemFeatures:. 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