Building the GE90: Exploring the World's Most Powerful Commercial Jet Engine

🔥The GE90 is the world's most powerful commercial jet engine, known for its impressive performance and efficiency.

🌍The GE90 powers the Boeing 777, which is the best-selling wide-body aircraft in history, revolutionizing air travel.

🔧The GE90 is a result of engineering excellence, with its components and systems intricately designed to achieve optimal performance.

🚀The GE90 features advanced technology and materials, including high-pressure compressors and turbines, ensuring efficient power generation.

⏰The engine start process involves various steps, including battery activation, APU start, fuel panel selections, and ignition activation.

What makes the GE90 the most powerful commercial jet engine?

—The GE90's exceptional power is achieved through its advanced design and cutting-edge technology, including high-pressure compressors, turbines, and efficient fuel combustion.

How does the GE90 contribute to the success of the Boeing 777?

—The GE90's power and efficiency play a crucial role in the performance and range of the Boeing 777, making it a preferred choice for airlines worldwide.

What are some notable features of the GE90's design?

—The GE90 incorporates advanced components like high-pressure compressors, turbines, and a fuel control system, all meticulously designed for optimal performance.

What materials are used in the construction of the GE90?

—The GE90 utilizes state-of-the-art materials, including lightweight alloys and advanced composites, to ensure strength, durability, and fuel efficiency.

What are the main steps involved in starting the GE90 engine?

—The engine start process includes activating the battery, starting the APU, selecting fuel panel configurations, and activating the ignition system.

00:10The GE90 is the world's most powerful commercial jet engine, powering the Boeing 777.

00:39The GE90 features two rotor shafts, high-pressure and low-pressure, which drive compressors and turbines.

01:16The engine start procedure involves configuring the aircraft and activating the APU and electrical power.

02:06Fuel panel selections are made to ensure fuel flow and pressure for combustion.

03:02The engine start switch is turned to initiate auto start, with the EEC taking over the process.

04:11The fuel control switch is selected to run, allowing fuel to flow to the engine through various components.

05:11At 21% N2, the EEC deactivates the ignition system, and the fuel shutoff valve opens for sustained combustion.

07:31As the engine stabilizes at idle power, the start procedure is considered complete.