Kit pédagogique de bricolage pour la modélisation de moteurs thermiques à vapeur basse température Stirling

Low Temperature Stirling Engine Motor Model Heat Steam Education Toy DIY Kit Specification: Stirling engine is a nice education model for students and teachers. It can help to better understand the working principle. Features: How it Works A Stirling engine is a heat engine that operates by cyclic compression and expansion of air or other gas (the working fluid) at different temperatures, such that there is a net conversion of heat energy to mechanical work. A Great Explanation Teacher can make the explaining process much straightforward and students can better understand its principle. Safe Opeartion Run freely on the top of a cup of hot water, no need to fire a alcohol lamp,safer for children. Operating Requirement Start temperature difference between the product bottom contact and circumstance should be greater than 25℃. Easy to Use Gently flip the wheel, then it can run itself. Considerate Design Exquisite frosted plunger can avoid steam leakage and the reduce abrasion. Note:If the friction between flywheel and support is big, please use a little graphite dry lube quiet it down nicely. Don't use oil, because it will lead to oil-dirt. Specifications: Model: LL-001 Wheel Color: Gold / Purple (Optional) Material: Stainless Steel +  Spray Paint Carbon Steel + Principle of Operation: Heating Expansion / Cold Compression Speed: 180rpm (max.) Item Size: 12.2 * 10.2 * 10.2cm / 4.8 * 4 * 4" Item Weight: 250g / 8.8oz Package Size: 17.3 * 9.5 * 11cm / 6.8 * 3.7 * 4.3" Package Weight: 333g / 11.7oz Package List: 1 * Low Temperature Stirling Engine Model DIY Kit 1 * User Manual(English) Note: 1. Children under 12-year-old should be accompanied by adult when playing this product. Package List: 1 * Low Temperature Stirling Engine Model DIY Kit 1 * User Manual(English) Note: 1. Children under 12-year-old should be accompanied by adult when playing this product.