QERNTPEY Stirling Engine Mini Hot Creative Air Stirling Engine Motor Model Educational Toy Car Kits Increase Childrens Knowledge (Color : Silver, Size : One Size)

The product is suitable for people with a certain degree of patience and hands-on ability.
Specifications:

Speed : About 700-1300RPM ( Main depends on the degree of heating , but not exceed 650? )
Generator Output? About 2-3v ( Main depends on the degree of heating , but not exceed 650? )

Size:
Length :15cm
Width : 8.5cm
Height: 9.5cm
Main flywheel Size: Diameter: 5cm
Deputy flywheel Size: Diameter:2cm
Power Cylinder: 1.3cm(inner dia.)
Piston Operation Distance: 1.6cm
Color:As picture Showed
Materials: Aluminum Alloy + Stainless Steel

Warning:
1.Please adopt 95% to highgrade alcohol to be the fuel to make sure the air tank can get more temperature, and drive the stirling engine. And please do not fill it up with alcohol .
2. After the alcohol lamp burn for about 2 minutes , please stir the big Flywheel clockwise according to the front of the car model , otherwise the Engine will not turn as normal .
3.It is better to play without wind . Just avoid the flame will Deviate from the heating cylinder , it will cause the engine does not work as normal. The speed of the car model has been slow by the Designer is also because of it .
4.Prohibit to add any oil or water to the heating cylinder or the power cylinder . Because the oil or water will mix with dust in the air, and become a oil-dirt, finally make the friction to be even bigger. The stirling engine can't run freely.
5.Because this machine after ignition moving like a car, please be careful. Don't play in the places where inflammable, children accompanied by adults and parents to play, please.

Package Included:
1 x stirling engine alcohol lamp (alcohol is not included )
1 x spare heating cylinder

Note:
1.Please allow 1-3mm differences due to manual measurement ofthe product size .
2.The real color of the item may be slightly different from the pictures shown on website caused by many factors su