Xiaomi Rocket Heavy

Xiaomi Rocket Heavy
A fully expendable heavy-lift launch vehicle that combines the robust power of liquid oxygen-methane propulsion with the high-efficiency performance of liquid hydrogen-liquid oxygen. Designed to deliver eco-friendliness, cost-effectiveness, and reliability, it provides robust support for future space exploration and commercial aerospace missions.

First Stage: Liquid Oxygen-Methane Propulsion

Engine Configuration: 27 high-performance Hyper engines

Thrust Characteristics:

Single-engine thrust: ~667 kN

Total thrust: 18 MN (equivalent to the combined takeoff thrust of approximately 17 fully loaded Boeing 747 aircraft).

Fuel Advantages: Methane offers environmental sustainability, low cost, and suitability for reuse.

Design Highlights:

Combustion chamber pressure up to 18.0 MPa, enhancing combustion efficiency.

Delta nozzle design optimizes exhaust flow expansion for increased thrust.

5.0° gimbal range ensures flight stability.

Second Stage: Liquid Hydrogen-Liquid Oxygen Propulsion

Engine Configuration: 1 vacuum-optimized Hyper engine.

Thrust Characteristics: Single-engine thrust of 4,715 kN, delivering exceptional power.

Fuel Advantages: Liquid hydrogen-liquid oxygen provides a vacuum-specific impulse of 1,235 seconds, achieving unparalleled energy efficiency—ideal for deep space exploration missions.

Design Highlights:

9.1-minute burn time, providing a 7.07 km/s velocity increment.

Thrust-to-weight ratio improved from 1.01 to 1.8, perfectly optimized for orbital operations.

Overall Performance

Payload Capacity: Up to 295 tons to a 300 km Droo orbit.

Design Philosophy: Modular assembly reduces launch costs.

Operational Guide:
Press AG1 to initiate, input 1 or 2 to select the desired launch program, then refrain from further input until orbital insertion,please turn down the picture quality before launching.