InertiaCharge 200 – BOM & Estimated Cost Breakdown

Category	Subtotal (CAD)
Mechanical & Magnets	$920.00
- Polycarbonate housing	$175.00
- End-caps & handle	$100.00
- SS304 shaft	$112.50
- Magnetic bearings (×2)	$300.00
- NdFeB preload discs (×2)	$45.00
- NdFeB rotor blocks (×8)	$100.00
Stator & Windings	$270.00
- Steel laminations (×4)	$150.00
- Copper wire (×4 coils)	$120.00
Electronics & Control	$330.00
- Custom PCB + parts	$175.00
- MOSFET bridges (×2)	$70.00
- Arduino Nano	$85.00
Sensors	$170.00
- Hall sensors (×4)	$70.00
- Optical encoder	$100.00
Cooling System	$347.50
- Cooling plates (×2)	$70.00
- Micro pump	$50.00
- Micro fans (×2)	$90.00
- Radiator	$87.50
- Tubing & coolant	$50.00
Energy Storage	$510.00
- Li-ion cells (×2)	$350.00
- 2-cell BMS	$70.00
- Cell holders (×2)	$40.00
Power Conversion	$255.00
- DC/DC boost converter	$62.50
- Pure-sine inverter	$162.50
- Outlet & connectors	$30.00
Wiring & Connectors	$170.00
- Silicone wire (5 m)	$75.00
- Connector kits	$30.00
- Heat-shrink & ties	$65.00
Thermals & Consumables	$100.00
- Thermal epoxy	$50.00
- Thermal grease	$30.00
- Tape & sleeving	$20.00
Parts Total	$3,072.50
Assembly & Testing	$375.00
10% Contingency	$344.75
Total Estimated Build	≈ $3,792.25