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Catalyst | GE Aerospace

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</div> </div> <!-- menu content ends --> </div> </nav> </header> <!-- header menu ends --> <main> <div class="block block--aero-sub-theme-content block--system-main"> <article data-history-node-id="5144" class="node aeroblox-page aeroblox-page--full"> <div class="node__content"> <div class="field field--name-body field--type-text-with-summary field--label-hidden field__item"> <section id="HeroVideo1" class="wp-block-aero-hero-video" hero-video-instance-id="1"><div class="hero-desc-container custom-px"><div class="desc-block-with-text row"><div class="col-xl-7 col-lg-8 col-md-12 mt-auto"><h1 class="hero-title heading-500"><meta charset="utf-8">Catalyst engine</h1><div class="ge-btn button-secondary button-icon btn-play-icon btn-large hero-vid-btn" data-bs-toggle="modal" data-bs-target="#hero-modal1">Watch</div></div></div></div><picture class="hero-bg-img d-flex"><img class="img-fluid" src="/sites/default/files/CATALYST-RETOUCHED.jpg" data-entity-type="file" data-entity-uuid="f95ee973-98e3-425d-a409-01a4e1bee012" data-image-style="original" alt="GE bg-image "/></picture><div class="aero-modal yt-modal modal fade" hero-modal-instance-id="1" id="hero-modal1" tabindex="-1" role="dialog" aria-labelledby="heromodal" aria-hidden="true"><div class="modal-dialog" role="document"><div class="modal-content"><div class="modal-body"><button type="button" class="modal-close svg-icon-close" data-bs-dismiss="modal" aria-label="Close"></button><div class="ratio ratio-16x9 play-icon-container" data-video-id="1NUVXdeihCE"><div id="hero-modal-1" class="modal-video-id"></div></div></div></div></div></div></section> <section class="wp-block-aero-intro-text"><div class="theme-wrapper light"><div class="container-fluid custom-px"><div class="row"><div class="title-subtitile col-xl-7 col-lg-8 col-md-12"><h2 class="title">The power to explore</h2><div class="subtitle"></div></div><div class="col-xl-5 col-lg-4 col-md-12"><div class="info-and-btn"><div class="info">The Catalyst engine is the new advanced turboprop heralding a new era in business and general aviation. By utilizing technologies proven on GE’s larger commercial engines over millions of flight hours, it is balancing “all new” with “low risk and high value,” thus advancing airframer, operator, passenger, and pilot experience. The first business and general aviation application for the Catalyst will be introduced on the brand-new Beechcraft Denali.</div><ul class="list-item"></ul><div class="btn-without-link ge-btn button-icon button-primary-light btn-arrow-right-icon"><a href="/sites/default/files/2024_GE_Aero_Catalyst_Data%20sheet_Digital_final.pdf" data-type="URL" data-id="/sites/default/files/2024_GE_Aero_Catalyst_Data%20sheet_Digital_final.pdf" target="_blank" rel="noreferrer noopener">Download data sheet</a><a href="https://www.geaerospace.com/sites/default/files/GECatalyst-Datasheet.pdf">https://www.geaerospace.com/sites/default/files/GECatalyst-Datasheet.pdf</a></div></div></div></div></div></div></section> <section class="wp-block-aero-image-block" id=""><div class="img-block-section light"><picture class="img-parent"><source type="image/webp" srcset="/sites/default/files/2023-12/Catalyst-Image-Block.jpg"/><img src="/sites/default/files/2023-12/Catalyst-Image-Block.jpg" data-entity-type="file" data-entity-uuid="5068d2bd-a1bc-4678-a6ad-555d5e346092" data-image-style="original" alt="image" class="image"/></picture><div class="title"></div></div></section> <section id="imageHotspot" class="wp-block-aero-image-hotspot container-fluid px-0 aero-hotspot-slide-section single-img-hotspot-section alignfull" data-module="aero-hotspot-slide"><div class="title-section custom-px"><h2 class="product-title heading-400 col-12 col-md-9"><span class="title d-flex col-12">Explore the Catalyst engine</span></h2><p class="product-para heading-100 mb-0 col-12 col-md-9 col-xxl-7">The Catalyst engine features an industry-best 16:1 overall pressure ratio enabling the engine to achieve as much as 18 percent lower fuel burn and 10 percent higher cruise power compared to competitors in the same size class.</p></div><div class="aero-gallery-section custom-px"><div class="aero-gallery-container"><div class="hotspot-slide-container d-flex"> <div class="wp-block-aero-image-hotspot-slide aero-hotspot-slide slide-fade col-12 justify-content-center alignfull active-slide" data-view="slide-1"><div class="img-wrapper"><div class="img-outer-wrapper"><div class="img-inner-wrapper"><div class="img-hotspot-container"><div class="hotspot-container"><div class="hotspot-item active-mob-hotspot" data-target="hotspot-1" style="top:55.1%;left:26.3%" data-top="55.1%" data-left="26.3%"><i class="hotspot-icon" style="border:solid var(--ge-avionics-green) 0.4444444444444444rem;width:2rem;height:2rem"></i></div><div class="hotspot-item" data-target="hotspot-2" style="top:43.9%;left:43.9%" data-top="43.9%" data-left="43.9%"><i class="hotspot-icon" style="border:solid var(--ge-avionics-green) 0.4444444444444444rem;width:2rem;height:2rem"></i></div><div class="hotspot-item" data-target="hotspot-3" style="top:40.2%;left:51.1%" data-top="40.2%" data-left="51.1%"><i class="hotspot-icon" style="border:solid var(--ge-avionics-green) 0.4444444444444444rem;width:2rem;height:2rem"></i></div><div class="hotspot-item" data-target="hotspot-4" style="top:31.6%;left:49.6%" data-top="31.6%" data-left="49.6%"><i class="hotspot-icon" style="border:solid var(--ge-avionics-green) 0.4444444444444444rem;width:2rem;height:2rem"></i></div><div class="hotspot-item" data-target="hotspot-5" style="top:37.8%;left:62.2%" data-top="37.8%" data-left="62.2%"><i class="hotspot-icon" style="border:solid var(--ge-avionics-green) 0.4444444444444444rem;width:2rem;height:2rem"></i></div><div class="hotspot-item" data-target="hotspot-6" style="top:22.6%;left:67.6%" data-top="22.6%" data-left="67.6%"><i class="hotspot-icon" style="border:solid var(--ge-avionics-green) 0.4444444444444444rem;width:2rem;height:2rem"></i></div><div class="hotspot-item" data-target="hotspot-7" style="top:42.1%;left:82.1%" data-top="42.1%" data-left="82.1%"><i class="hotspot-icon" style="border:solid var(--ge-avionics-green) 0.4444444444444444rem;width:2rem;height:2rem"></i></div><div class="hotspot-item" data-target="hotspot-8" style="top:14.4%;left:85.1%" data-top="14.4%" data-left="85.1%"><i class="hotspot-icon" style="border:solid var(--ge-avionics-green) 0.4444444444444444rem;width:2rem;height:2rem"></i></div></div><picture class="product-img-block d-flex"><img class="img-fluid" src="/sites/default/files/Catalyst_engine_cutaway1.png" alt="GE Aerospace Image"/></picture></div></div></div><div class="hotspot-dots-container"><i class="hotspot-dot active-dot" data-hotspot-dot="hotspot-1"></i><i class="hotspot-dot" data-hotspot-dot="hotspot-2"></i><i class="hotspot-dot" data-hotspot-dot="hotspot-3"></i><i class="hotspot-dot" data-hotspot-dot="hotspot-4"></i><i class="hotspot-dot" data-hotspot-dot="hotspot-5"></i><i class="hotspot-dot" data-hotspot-dot="hotspot-6"></i><i class="hotspot-dot" data-hotspot-dot="hotspot-7"></i><i class="hotspot-dot" data-hotspot-dot="hotspot-8"></i></div><div class="hotspot-content"><div class="hotspot-inner-block"><div class="hotspot-popup active-hotspot-slide" data-hotspot="hotspot-1" data-target="hotspot-1"><div class="close-btn"> <i class="icon icon--close"></i></div><h6 class="popup-title">PROPELLER GEARBOX</h6><p class="popup-desc">The propeller gearbox uses planetary gears to supply power generated by the power turbine to the propeller at a significantly reduced RPM. The engine will feature multiple versions of the gearbox to handle a variety of RPM and Shaft Horsepower (SHP) combinations from 1200 to 1400 SHP.</p></div><div class="hotspot-popup" data-hotspot="hotspot-2" data-target="hotspot-2"><div class="close-btn"> <i class="icon icon--close"></i></div><h6 class="popup-title">POWER TURBINE</h6><p class="popup-desc">The three-stage power turbine connects to the propeller gearbox and provides power for the aircraft propeller. Use of three stages combined with 3D aerodynamic design maximizes the power extraction and efficiency across the entire flight envelope.</p></div><div class="hotspot-popup" data-hotspot="hotspot-3" data-target="hotspot-3"><div class="close-btn"> <i class="icon icon--close"></i></div><h6 class="popup-title">HIGH PRESSURE TURBINE</h6><p class="popup-desc">The two-stage high pressure turbine (HPT) drives the engine compressor. The HPT blades feature 3D aerodynamic design, single crystal technology and internal air cooling passages to allow for high temperature operation, maximizing efficiency and power extraction.</p></div><div class="hotspot-popup" data-hotspot="hotspot-4" data-target="hotspot-4"><div class="close-btn"> <i class="icon icon--close"></i></div><h6 class="popup-title">COMBUSTOR</h6><p class="popup-desc">The compact, reverse-flow combustor and advanced fuel nozzles enables efficient combustion. Utilizing advanced combustor capabilities, the GE Catalyst engine will feature major reductions in emissions and soot over current engines in this class.<br><br></p></div><div class="hotspot-popup" data-hotspot="hotspot-5" data-target="hotspot-5"><div class="close-btn"> <i class="icon icon--close"></i></div><h6 class="popup-title">COMPRESSOR</h6><p class="popup-desc">The compact four-stage axial single centrifugal compressor is designed with GE fourth generation 3D aerodynamic design capabilities. A class-leading 16 to 1 pressure ratio provides high efficiency and power in a very compact design.<br><br></p></div><div class="hotspot-popup" data-hotspot="hotspot-6" data-target="hotspot-6"><div class="close-btn"> <i class="icon icon--close"></i></div><h6 class="popup-title">VARIABLE STATOR VANES</h6><p class="popup-desc">Variable geometry compressor stator vanes ensure maximum performance and robust operations over the entire flight envelope.<br><br></p></div><div class="hotspot-popup" data-hotspot="hotspot-7" data-target="hotspot-7"><div class="close-btn"> <i class="icon icon--close"></i></div><h6 class="popup-title">CONTROL SYSTEM</h6><p class="popup-desc">The all-new integrated propulsion control (IPC) features a single lever integrated electronic engine and propeller control. This integrated approach coordinates and optimizes engine and propeller operation across the entire flight envelope.<br><br></p></div><div class="hotspot-popup" data-hotspot="hotspot-8" data-target="hotspot-8"><div class="close-btn"> <i class="icon icon--close"></i></div><h6 class="popup-title">ACCESSORY GEARBOX</h6><p class="popup-desc">The accessory gearbox is driven by the engine core and provides the mechanical power for engine accessories. Reduction gears within the gearbox transfer the power to multiple pads on the gearbox at reduced RPM.<br><br></p></div></div></div></div></div> </div></div></div></section> <section class="wp-block-aero-feature"><div class="feature-container d-flex col-12 left"><div class="feature-img col-12 col-md-6"><div class="img col-12"><picture class="optionalImage"><img class="mg-fluid" src="/sites/default/files/2023-12/A-game-changer.jpg" alt="GE Aerospace"/></picture></div></div><div class="feature-content col-12 col-md-6"><div class="content col-10"><h5 class="feature-title">A game changer</h5> <div class="wp-block-aero-add-plain-text"><div class="feature-desc">The Catalyst engine - aimed at the 1200-1400 SHP range - is the first modern turboprop ever built with 3D-printed parts, writing a pioneering chapter for the aviation industry. Avio Aero and GE’s engineers incorporated customer feedback into the engine’s design and development, for engineering design flexibility and a more pleasant, quiet, and sustainable journey for pilots and passengers.</div></div> </div></div></div></section> <section class="wp-block-aero-feature"><div class="feature-container d-flex col-12 right"><div class="feature-img col-12 col-md-6"><div class="img col-12"><picture class="optionalImage"><img class="mg-fluid" src="/sites/default/files/catalyst_cold%20light.JPG" alt="GE Aerospace"/></picture></div></div><div class="feature-content col-12 col-md-6"><div class="content col-10"><h5 class="feature-title">The turboprop of the 21<sup>st</sup> century</h5> <div class="wp-block-aero-add-plain-text"><div class="feature-desc">Catalyst engine is the culmination of our commitment to extensive research and development, and advanced engineering with state-of-the-art technology and additive manufacturing componentry, ultimately delivering the best power-to-weight ratio in its engine class. This capability also allows for increased range, added payload, and a larger, quieter cabin.</div></div> </div></div></div></section> <section class="wp-block-aero-feature"><div class="feature-container d-flex col-12 left"><div class="feature-img col-12 col-md-6"><div class="img col-12"><picture class="optionalImage"><img class="mg-fluid" src="/sites/default/files/Catalyst_2.jpg" alt="GE Aerospace"/></picture></div></div><div class="feature-content col-12 col-md-6"><div class="content col-10"><h5 class="feature-title"> Jet-like flying experience </h5> <div class="wp-block-aero-add-plain-text"><div class="feature-desc"> The result is a simplified cockpit with a single-lever power control, fewer instruments to monitor and more precise engine controls. For pilots and their passengers this means a quieter and more enjoyable flight experience. </div></div> </div></div></div></section> <section class="wp-block-aero-feature"><div class="feature-container d-flex col-12 right"><div class="feature-img col-12 col-md-6"><div class="img col-12"><picture class="optionalImage"><img class="mg-fluid" src="/sites/default/files/2023-12/More-efficiency%2C-less-emissions.jpg" alt="GE Aerospace"/></picture></div></div><div class="feature-content col-12 col-md-6"><div class="content col-10"><h5 class="feature-title"> More efficiency, less emissions </h5> <div class="wp-block-aero-add-plain-text"><div class="feature-desc"> A more fuel efficient, digitally-controlled engine opens a world of opportunities. The Catalyst engine benefits from GE’s engineering expertise and from the largest European research and development programs devoted to decarbonization. Additive technology has been used in combination with advanced alloys to allow more geometrical freedom in the design. The result is reduced fuel burn and weight, and in contrast, increased durability and efficiency. </div></div> </div></div></div></section> <section class="wp-block-aero-feature"><div class="feature-container d-flex col-12 left"><div class="feature-img col-12 col-md-6"><div class="img col-12"><picture class="optionalImage"><img class="mg-fluid" src="/sites/default/files/2023-12/Simplified-Ownership-890X1138_0.jpg" alt="GE Aerospace"/></picture></div></div><div class="feature-content col-12 col-md-6"><div class="content col-10"><h5 class="feature-title"> Simplified ownership </h5> <div class="wp-block-aero-add-plain-text"><div class="feature-desc">Reliability is the benchmark of proven technology. This engine’s integrated digital features and GE’s analytics act as a technology liaison for maintenance prediction, prevention, and planning. 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