Stainless Steel Flywheel for Steam & Stirling Engine Models – Precision-Balanced Upgrade
Enhance your miniature power system with this professional-grade stainless steel flywheel, designed for smooth, stable, and reliable performance.
Machined from solid stainless steel, it delivers exceptional balance, corrosion resistance, and long-term durability — ideal for both educational and hobby applications.
⚙️ Key Features
✓ Precision Balanced for Smooth Rotation – Each flywheel is laser-calibrated for true running up to 2,000+ RPM, minimizing vibration and improving energy transfer.
✓ Perfect Fit for Most Models – Standard 4mm bore fits common miniature steam and Stirling engines, ensuring easy replacement or upgrade.
✓ Durable Construction – Made from 55g solid stainless steel, providing long-lasting resistance to heat, ethanol flames, and steam condensate.
✓ Accurate Machining – Tight tolerances and an M3 side set screw ensure a secure connection and zero wobble under load.
🔩 Compatible With
• Stirling engine displacers
• Mamod / MSS live steam engines
• Jensen-type wobblers
• Custom or DIY model engines
💡 Pro Tip
Apply Loctite 243 or equivalent medium-strength thread locker on the M3 set screw to prevent slippage during high-inertia operation.
📐 Specifications
Material: Stainless Steel
Outer Diameter: 38.8 mm
Thickness: 11 mm
Bore Diameter: 4 mm
Weight: 55 g
Side Hole: M3 Thread
📦 Package Includes
1 × Stainless Steel Flywheel (38.8 mm)