🔧 100 Mechanical Engineering Project Ideas (Category-Wise)

🔹 1. Automobile & Transportation

1. Hybrid Two-Wheeler with Regenerative Braking
   
   

2. Solar-Powered Electric Car Prototype
   
   

3. Automatic Braking System for Accident Prevention
   
   

4. Smart Suspension System for Bikes
   
   

5. Airless Tyres for Vehicles
   
   

6. Fuel Efficiency Enhancement using Aerodynamics
   
   

7. Electric Rickshaw with Solar Backup
   
   

8. Self-Driving Car Mechanical Simulation
   
   

9. Lightweight Chassis Design for EVs
   
   

10. Hydrogen Fuel Cell Vehicle Model
    
    

🔹 2. Robotics & Automation

11. Robotic Arm with CNC Precision
    
    

12. Pick and Place Robot for Assembly Line
    
    

13. Pipe-Climbing Inspection Robot
    
    

14. Line Following Automated Guided Vehicle (AGV)
    
    

15. Self-Balancing Two-Wheel Robot
    
    

16. Firefighting Robot with Water Sprayer
    
    

17. Agricultural Robot for Seed Sowing
    
    

18. Drone Frame Design for Lightweight Payload
    
    

19. Robotic Exoskeleton for Lifting Heavy Loads
    
    

20. Stair Climbing Robot
    
    

🔹 3. Manufacturing & Production

21. 3D Printer Design & Development
    
    

22. Automated Welding Machine
    
    

23. Advanced CNC Milling Machine with AI
    
    

24. Flexible Manufacturing System Prototype
    
    

25. Automatic Gear Cutting Machine
    
    

26. Casting Defect Detection System
    
    

27. Lean Manufacturing Simulation Model
    
    

28. Low-Cost Plastic Recycling Machine
    
    

29. Smart Drilling Machine with Depth Control
    
    

30. Automated Conveyor Belt System
    
    

🔹 4. Renewable Energy & Sustainability

31. Solar-Powered Water Desalination Unit
    
    

32. Wind Turbine Blade Design Optimization
    
    

33. Pedal-Powered Water Pump
    
    

34. Energy Generation from Speed Breakers
    
    

35. Biogas Production from Food Waste
    
    

36. Vertical Axis Wind Turbine Prototype
    
    

37. Solar-Powered Air Cooler
    
    

38. Ocean Wave Energy Converter
    
    

39. Portable Solar Cooker Design
    
    

40. Hybrid Renewable Energy Plant Model
    
    

🔹 5. Thermal & Heat Transfer

41. Heat Exchanger Design Optimization
    
    

42. Solar Water Heater with Phase Change Materials
    
    

43. Thermal Energy Storage System
    
    

44. Radiator Efficiency Enhancement Project
    
    

45. Heat Pipe Cooling for Electronics
    
    

46. Thermoelectric Cooling for Refrigeration
    
    

47. Waste Heat Recovery from Automobiles
    
    

48. Solar Dryer for Agricultural Products
    
    

49. Miniature Steam Power Plant
    
    

50. Jet Engine Model with Heat Transfer Study
    
    

🔹 6. Mechatronics & Smart Systems

51. Automated Guided Vehicle (AGV) with IoT
    
    

52. Smart Elevator System with Energy Recovery
    
    

53. Vibration Control in Mechanical Structures
    
    

54. IoT-enabled Smart Factory Simulation
    
    

55. Automated Packaging Machine
    
    

56. Smart Door with Mechanical Locking + IoT
    
    

57. Machine Vision System for Defect Detection
    
    

58. Automatic Car Parking System
    
    

59. Smart Material Testing Machine
    
    

60. Voice-Controlled Mechanical Arm
    
    

🔹 7. Design & CAD/CAE

61. Crash Simulation of a Vehicle using ANSYS
    
    

62. Aerodynamic Study of a Car Model in CFD
    
    

63. 3D CAD Modeling of a Drone Frame
    
    

64. Stress Analysis of Bridge Structures
    
    

65. Vibration Analysis of Aircraft Wing
    
    

66. CAD-based Prosthetic Limb Design
    
    

67. Finite Element Analysis (FEA) of Gearbox
    
    

68. Topology Optimization for Lightweight Components
    
    

69. CAD Model of a Wind Turbine
    
    

70. CFD Analysis of HVAC Ducts
    
    

🔹 8. Biomedical & Assistive Devices

71. Low-Cost Prosthetic Hand
    
    

72. Smart Wheelchair with Obstacle Detection
    
    

73. Exoskeleton for Physically Disabled Support
    
    

74. Portable Oxygen Concentrator
    
    

75. Biomechanical Analysis of Human Gait
    
    

76. Wearable Exo-Glove for Stroke Patients
    
    

77. Mechanical Design of Dental Drilling Machine
    
    

78. Automatic Syringe Pump for IV Fluids
    
    

79. Smart Crutches with Fall Detection
    
    

80. Low-Cost Leg Brace with Springs
    
    

🔹 9. Agriculture & Rural Development

81. Pedal-Powered Grain Milling Machine
    
    

82. Smart Irrigation Pump with Sensors
    
    

83. Low-Cost Tractor Attachment for Farmers
    
    

84. Solar-Powered Water Pump
    
    

85. Mechanical Seed Sowing Machine
    
    

86. Automatic Weed Removal Robot
    
    

87. Portable Pesticide Sprayer Machine
    
    

88. Smart Threshing Machine Design
    
    

89. Cattle Feed Mixing Machine
    
    

90. Portable Sugarcane Juice Extraction Machine
    
    

🔹 10. Innovative / Future Tech

91. Hyperloop Pod Mechanical Design
    
    

92. Magnetic Levitation Train Prototype
    
    

93. Self-Healing Material Applications in ME
    
    

94. Mechanical Drone Docking & Charging Station
    
    

95. Pneumatic Artificial Muscles for Robotics
    
    

96. Shape Memory Alloy-based Mechanism
    
    

97. Smart Helmet with Impact Absorption Design
    
    

98. Kinetic Energy Recovery System (KERS)
    
    

99. Micro Air Vehicle (MAV) Prototype
    
    

100. Autonomous Underwater Vehicle (AUV)