EVTVL FC-V1 – Electric VTVL Rocket Flight Computer

🔹 Introduction

EVTVL FC-V1 is a custom-built flight computer designed for Electric Vertical Take-off and Vertical Landing (EVTVL) rockets.

The goal of this project is to develop a reliable, modular, and scalable flight computer capable of handling real-time sensor fusion, telemetry, and flight-state management for reusable VTVL vehicles.

This project is part of a long-term aerospace roadmap focused on autonomous electric rockets.

🔹 Flight State Machine

The flight computer operates using clearly defined flight states, inspired by professional aerospace systems.

Flight States:

• BOOT – Power-up and self checks

• STANDBY – Sensor initialization and calibration

• ARMED – Ready for launch

• LIFTOFF – Launch detected

• ASCENT – Powered ascent

• COAST – Engine cutoff / ballistic phase

• DESCENT – Controlled descent

• LANDING – Final approach

• SAFE / ABORT – Emergency or fault handling

Each state enables only the required subsystems, improving safety and predictability.

🔹 Sensors & Data Processing

An onboard IMU provides 9-DOF orientation and acceleration data for attitude estimation.

A barometric pressure sensor is used to calculate altitude and vertical velocity.

Sensor data is filtered and processed in real time to ensure stable telemetry and reliable state transitions, even in noisy environments.

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