Zinc Zinc Zinc Alloy Stirling Engine Motor Model Colorful LED Hot Air Engine Motor Model Physics Lab

Label:Yes Product Name: Sterling Engine Model Fuel: 95% alcohol (not included) Size: (LxWxH)160x85x95mm/6.3x3.1x3.7in Package List:1set Engine Model Packaging size: 17.5x9.5x11.5cm/6.9x3.7x4.5in Output voltage: 3.0 ~ 5.0V Material: zinc Zinc Zinc Zinc Zinc Alloy+glass+stainless steel

Operation: 1. Check the air tightness and whether the glass is broken:

No broken glass tube;

Turn the big wheel, with resilience force means normal. 2. Light the alcohol lamp, preheat the tube for about 30s (very important), turn the big wheel, and the engine starts working. Note: 1. Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. 2. Kids should be accompanied by adult. 3. Recommend using alcohol (not included) with 95% purity. 4. HOT! HOT! HOT! Don't touch the glass when using. 5. Be careful of the alcohol's spitting out, it's very dangerous. If spitted out, don't be panic; use a wet rag to cover the . 6. Both ends of the connecting rod joints need to add regular oil lubrication, the piston can't be refueled, otherwise it will not work due to the resistance.