8PCS/SET Silicone Lids For Bowls Cups Food Preservation Reusable Cover Saver Stretch Lid Wrap
- List PriceUS$19.99piece
- Sale PriceUS$19.99piece
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Aerodynamics are rich in knowledge of physics, single cylinder combustion engine.
Engine principle is intuitive, educational toys, teaching experimental equipment can
effectively cultivate children's interest in learning can also be used for classroom
teaching, more intuitive and easy to understand.
Name:Double Cylinder Engine Model
-The engine model on the horizontal position by hand toggle the flywheel to see if smooth, if there is a strong sense of raw astringent, check the connection rod is normal, whether the cylinder oil and dust, and if so, please use toilet paper to erase Not smooth. Toggle the flywheel feel pressure rebound within the cylinder body is a normal phenomenon, the cylinder is sealed.
-The packing bag of alcohol lamp cotton wear into the metal cap lamp.
-Please go to the pharmacy to buy 95% purity alcohol, anhydrous industrial alcohol better. Fill the alcohol lamp to less than two-thirds.
-Alcohol lamp to the alcohol lamp, at the premise of ensuring safety, ignite the alcohol lamp about 2 minutes after the flywheel, until the flywheel automatic operation so far, the whole process of heating, hands may not touch.
-This engine is perfectly for kids over 12 years old.
-This item is operating by steam, when the steam too much, the engine will stop working
-The screws should not too tight, or the glass may broken, if the piston is cracked, can be bonded with glue
-Please make sure the glass cylinder tube is not too close to the piston rod before running, or it may will get a crash
-Please remove alcohol lamp and wait until the cylinder cool down before adjusting the item
-The wick of alcohol lamp should not touch or too close to the glass cylinder tube
-Alcohol is not included, need preparing by yourself. Also it may need a syringe for filling alcohol
1 Set of Stirling Engine model