Metal Fourstroke Wankel Rotatory Functional Engine Model Product overview Build a working metal rotor engine model at home while learning the mechanical principles behind the Wankel rotary design. This metal, fourstroke model converts the combustion expansion force of combustible gas directly into driving torque and demonstrates intake, compression, ignition, and exhaust in three independent combustion chambers. Key benefits Handson learning of the Wankel rotary principle through assembly and operation. Visible, functional demonstration of how combustion expansion is converted into torque. Precision metal construction for durable parts and accurate motion. Ready to present as a refined gift thanks to its luxury exquisite gift box and detailed assembly manual. Compact and practical to build indoors, suitable for hobby workbenches, study desks, or classroom tables. Main features Functional operation: The model accepts combustible gas to create real combustion expansion that drives rotor motion and produces measurable torque. Classic Wankel geometry: A rotor shaped like a Leroy triangle spins inside an oval chamber, forming three independent combustion chambers divided by the rotor faces. Fourstroke cycle reproduction: Eccentric rotor motion changes chamber volume to perform intake, compression, ignition, and exhaust in sequence. Precision metal parts: Machined metal components provide reliable fit and smooth operation while illustrating mechanical interactions clearly. Complete kit: Supplied with a detailed assembly procedure manual to guide stepbystep construction and demonstration. What is included Metal engine components required for assembly Fasteners and small parts for construction Detailed assembly procedure manual Luxury exquisite gift box for presentation and storage Who this is for Students studying mechanical engineering or internal combustion principles Hobbyists and model builders interested in functional engine models Educators and demonstrators seeking a compact, handson teaching aid Anyone looking for an engineering gift that combines assembly and operation Practical applications and use scenarios Classroom demonstration: Assemble and operate the model in a classroom to show the fourstroke process and the unique characteristics of rotary engines. Home workshop project: Build the model on a living room or workshop table to practice assembly skills and display the operating mechanism on a shelf or desk. Science fair or presentation: Use the functioning model to illustrate mechanical design, chamber dynamics, and torque generation during a school or community event. Notes on operation and setup The model is designed for indoor assembly and demonstration. Follow the included manual carefully for proper assembly and safe operation when using combustible gas. Material and fitment are optimized for accurate motion and demonstration rather than heavyduty continuous operation. This metal Wankel rotatory functional engine model combines accurate mechanical representation, handson assembly, and a finished presentation ideal for education, hobby use, and gifting.