1. Obtain an Automobile Engine:
- Select a suitable automobile engine based on power output and size.
2. Reinforce the Chassis:
- The automobile frame may not be suitable for the stresses of flight. Add structural reinforcements to accommodate the additional forces and vibrations.
3. Design and Construct the Rotor System:
- Plan a suitable rotor system with the necessary number of blades. You'll need to create hubs, blades, and a swashplate mechanism.
4. Mount the Engine and Rotors:
- Position the engine in a way that it powers the rotor system effectively. The rotors should be attached to the engine using appropriate transmission mechanisms.
5. Design the Flight Controls:
- Create a flight control system that enables pilots to control the pitch, roll, and yaw of the helicopter.
6. Install Essential Avionics:
- Equip the helicopter with a basic flight instrument panel and essential avionics for navigation and flight control.
7. Construct the Body and Fuselage:
- Design a lightweight yet sturdy body and fuselage structure. Ensure that it accommodates the engine, rotors, and flight controls effectively.
8. Landing Gear and Skids:
- Install retractable landing gear or skids to enable takeoffs and landings.
9. Tail Rotor and Empennage:
- Add a tail rotor and empennage (horizontal and vertical stabilizers) for stability and control.
10. Flight Testing:
- Once the helicopter is constructed, conducting extensive testing would be necessary in controlled environments to ensure the safety and performance of the aircraft.
11. Certification and Regulations:
- In the real world, obtaining certification and meeting aviation regulations would be crucial for the safe operation of the helicopter.
It's essential to understand that building a helicopter is a complex engineering endeavor that requires highly specialized knowledge, expertise, and safety considerations. This hypothetical process is just an overview and should not be taken as a detailed guide for constructing an actual helicopter. For real-life applications, you would need to work with a team of experienced engineers and aviation experts to ensure the proper design and functioning of the helicopter.