Sterling Engine Model External Combustion Engine Steam Engine Miniature Engine Science Popular Experiment Toy Birthday Gift

Usage: 1. Pull the flywheel by hand to see if it is smooth and not smooth to adjust the relevant screw (adjusted before sale). 2. Check whether the sliding parts are clean. 3. Fill up the alcohol lamp to less than two-thirds. It should be noted that 95% alcohol with medical purity is the best. Fourth: Lighting the alcohol lamp on the front of the test tube, about 1 minute later, the flywheel was pulled and the engine rotated. The preheating time with the generator is slightly longer. Notes: 1. Do not touch the baked test tube and the metal connected with it, in order to avoid scalding. 2. Lighting alcohol lamp for a long time, alcohol lamp can not be easily touched, in order to avoid burns. 3. Suitable for children and adults over 8 years old. The operation under 8 years old should be accompanied by adults. 4. Do not touch the heating cylinder (test tube) when heating the alcohol lamp. 5. Both ends of the side rod need oil lubrication, but the piston can not.