Briggs and Stratton Piston

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Break Down and Rebuild: A Hands-on Approach to Understanding Engine Components **Lesson Objectives** * Identify and explain the function of basic engine parts * Analyze and dissect a Briggs and Stratton piston for hands-on understanding * Develop problem-solving skills through reverse engineering exercises **Materials Needed** * Briggs and Stratton piston STL file (downloadable) * Basic engine parts model kit (available online or in-store) * Pencils, markers, and paper for note-taking and diagramming **Procedure** 1. Begin by familiarizing yourself with the basic engine parts model kit. Identify and label each component, including the cylinder head, piston, crankshaft, camshaft, and valves. 2. Next, download and import the Briggs and Stratton piston STL file into a 3D modeling software (such as Tinkercad or Fusion 360). Use the software to dissect the piston into its individual components, labeling each one accordingly. 3. With the piston disassembled, analyze each component's function and how it contributes to the overall engine operation. Take notes and create diagrams to illustrate your understanding. 4. Using the basic engine parts model kit, recreate the Briggs and Stratton piston by reassembling the individual components in the correct order. Pay close attention to the proper alignment and orientation of each part. 5. Once complete, use a 3D printing service or local hardware store to manufacture a working replica of the Briggs and Stratton piston. 6. Assemble the piston into a functional engine block, using the basic engine parts model kit as a guide. Test and troubleshoot any issues that arise during assembly. **Quiz Time!** 1. What is the primary function of the cylinder head in an engine? a) To house the valves b) To provide cooling for the engine c) To support the piston d) To regulate airflow Answer: a) To house the valves 2. Which component of the engine converts the up-and-down motion of the piston into rotary motion? a) Crankshaft b) Camshaft c) Piston ring d) Valve stem Answer: a) Crankshaft 3. What is the purpose of the camshaft in an engine? a) To regulate airflow through the valves b) To support the cylinder head c) To drive the timing belt d) To convert rotary motion into up-and-down motion Answer: d) To convert rotary motion into up-and-down motion **Conclusion** By following this lesson plan and completing the basic engine parts quiz, you should now have a solid understanding of the fundamental components that make up an engine. Through hands-on disassembly and reassembly exercises, you've gained practical experience in reverse engineering and problem-solving. Remember to apply these skills to real-world applications, and don't be afraid to get your hands dirty!