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The little Stirling engine that couldwithout fuel. Simply place the engine over a cup of hot coffee or water and watch it go. To reverse engine's direction, use ice water. Made of durable stainless steel, this stylish and affordable low-temperature differential unit demonstrates how heat engines convert heat energy into mechanical work. A classic demonstration of thermodynamics for middle school. Overall height, about 5-3/4". Includes instructions; hot and cold source and cup are needed but not supplied.
Heat source should not exceed 100° C and cold source should not be below −20° C.
Avoid rough handling. This is a delicate instrument and the connections between the flywheel and pistons can be damaged. Always hold and handle by the base only to protect the delicate pieces. Item ships in a sturdy box that may be used for storage.
To ensure that the engine works well, perform the following 2 steps before each experiment:
This engine is precision-manufactured; no special lubrication is required.
Flywheel diameter, 3-1/2" (9 cm)
Displacement cylinder diameter, 3-1/2" (9 cm)
Unit height, about 5-3/4" (14.5 cm)
Unit weight, 7.6 oz (216 g)
If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.