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Helix and Astro Mechanica Develop Duality Supersonic Engine

Helix and Astro Mechanica partner to create the Duality turboelectric engine for Mach 3 supersonic travel with hybrid propulsion.

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Helix and Astro Mechanica Partner to Power New “Duality” Supersonic Engine

In a major step toward reviving commercial supersonic travel, UK-based electric motor manufacturer Helix (formerly Integral Powertrain) has announced a strategic partnerships with California aerospace startups Astro Mechanica. The collaboration focuses on the development of the “Duality” engine, a turboelectric adaptive propulsion system designed to enable efficient flight at speeds up to Mach 3.

According to the official announcement from Helix, the partnership integrates their high-performance electric motors into Astro Mechanica’s proprietary engine architecture. This technology aims to solve the efficiency and range limitations that grounded previous supersonic aircraft like the Concorde. By utilizing a hybrid-electric approach, the companies hope to make supersonic travel affordable enough to compete with current business-class ticket prices.

The initiative is backed by significant industry interest and capital. Astro Mechanica has reportedly secured approximately $27 million in Series A funding, with investments including Andreessen Horowitz, Lowercarbon Capital, and United Airlines Ventures.

The Technology: A Turboelectric Adaptive Engine

The core of this partnership is the “Duality” engine, which differs fundamentally from traditional jet propulsion. In standard jet engines, the compressor and turbine are mechanically linked on a single shaft, which limits efficiency across different speed regimes. The Duality engine replaces this mechanical link with an electric-aviation drivetrain.

Decoupling for Efficiency

As described in the technical details released by the companies, the Duality engine uses a gas turbine generator to produce electricity. This power is then directed to Helix electric motors, which drive the engine’s fan and compressor independently. This “decoupling” allows the engine to adapt its behavior based on the phase of flight:

  • Subsonic Mode: During takeoff and landing, the engine functions as a fuel-efficient turbofan, reducing noise and fuel consumption.
  • Supersonic Mode: At cruising speeds, it transitions to a turbojet configuration.
  • Hypersonic Mode: For speeds exceeding Mach 3, the system is designed to function as a ramjet, utilizing the sheer speed of the aircraft to compress air without moving parts in the airflow.

The system is designed to operate on Liquefied Natural Gas (LNG) or synthetic methane. These fuels were selected for their lower cost and higher energy density compared to traditional jet fuel, further supporting the goal of economic viability.

Helix’s Role: High-Density Electric Power

Standard electric motors are typically too heavy for the power-to-weight ratios required in aerospace applications. Helix, known for supplying motors to high-performance automotive projects like the Lotus Evija and Aston Martin Valkyrie, is providing the specialized hardware needed to make the Duality engine feasible.

The current Gen 4 prototype of the engine utilizes four Helix SPX242-94 motors. According to the specifications provided:

  • Power: 400kW peak / 300kW continuous per motor.
  • Weight: 31.3 kg (69 lbs).
  • Torque: 470 Nm.

Looking ahead to the Gen 5 production version, Helix aims to deliver even higher performance, targeting 900kW continuous power and speeds up to 20,000 rpm, all within a package weighing approximately 61.5 kg.

“Duality shows what becomes possible when you remove weight as the limiting factor.”

— Derek Jordanou-Bailey, Aerospace Chief Engineer at Helix

Strategic Implications for Aviation

The aviation industry has long sought a successor to the Concorde, which was retired due to high operating costs and limited range. The Concorde burned massive amounts of fuel during taxi and takeoff, rendering it uneconomical for many routes. The Duality engine’s adaptive capability addresses this specific hurdle by optimizing efficiency at low speeds while maintaining the thrust required for supersonic cruise.

Astro Mechanica is targeting transpacific routes, such as San Francisco to Tokyo, with flight times under five hours. While commercial travel is the ultimate goal, the technology has immediate applications in the defense sector for high-speed drones and government transport.

AirPro News Analysis

The partnership between Helix and Astro Mechanica highlights a critical shift in the “green aviation” narrative. For years, the industry focus was heavily tilted toward pure electric flight (battery-powered). However, energy density limitations of current battery technology have restricted pure electric aircraft to short-range, low-speed/urban air mobility applications.

We observe that the industry is increasingly pivoting toward turboelectric and hybrid architectures for long-haul and high-speed applications. By using fuel (like LNG) for energy storage but electric motors for aerodynamic control, manufacturers can achieve the benefits of electrification, precise control, decoupled systems, and efficiency, without the weight penalty of massive battery packs. This approach may well be the bridge technology that finally makes supersonic commercial flight viable again.

Timeline and Future Outlook

Following a successful “hot-fire” test of the Gen 3 engine in October 2024, the companies are now focused on the Gen 4 prototype. Current projections estimate the first flight of a sub-scale demonstrator aircraft could occur between 2027 and 2028, with a target for commercial service entry in the 2030s.

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Photo Credit: Helix

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Sustainable Aviation

KBR PureSAF Technology Selected for Kazakhstan First SAF Plant

KBR licenses PureSAF technology for Kazakhstan’s first SAF facility, using an alcohol-to-jet process with domestic feedstocks.

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Global engineering firm KBR announced on August 24, 2026, that it secured a contracts to license its proprietary PureSAF technology and provide engineering design for Kazakhstan’s inaugural Sustainable Aviation Fuel (SAF) production facility. The project, developed in partnership with KazMunayGas-Aero LLP (KMG-Aero) and KazFoodProducts (KFP), will utilize domestic agricultural feedstocks to produce low-carbon aviation fuel via an alcohol-to-jet (AtJ) process.

In a press release detailing the contract award, KBR confirmed the agreement supports Kazakhstan’s strategic objective to establish itself as an international aviation hub while advancing aviation decarbonization. The planned facility will leverage technology developed in collaboration with Swedish Biofuels AB to convert ethanol into drop-in aviation fuel.

Technology and Project Scope

The facility will utilize KBR’s PureSAF technology, an alcohol-to-jet pathway designed to process agricultural feedstocks into sustainable aviation fuel. The foundational trilateral agreement covering the Process Design Package (PDP) and technology licensing was signed by KBR, KMG-Aero, and KFP in Astana on July 23, 2026. KBR, which employs approximately 37,000 people and operates in 28 countries, will provide the engineering framework required to scale the AtJ process for commercial output.

KBR Sustainable Technology Solutions President Jay Ibrahim stated the company is honored to support the national commitment to reduce greenhouse gas emissions.

“KBR’s PureSAF is a feed-flexible, bankable technology that is designed to deliver high SAF yields and supports the project across the full lifecycle. We look forward to closely collaborating and supporting the successful execution of this landmark SAF project,” Ibrahim said.

Kazakhstan’s Aviation Decarbonization Strategy

The KBR contract follows a series of government initiatives aimed at building a domestic SAF supply chain. On August 4, 2026, Kazakh Prime Minister Olzhas Bektenov and Dr. Peter Lee of Hong Kong-based Full Vision Capital signed a memorandum of understanding to explore creating a green aviation fuel ecosystem in the city of Alatau. This proposed ecosystem would cover the full production cycle, from cultivating agricultural feedstock to manufacturing the finished product.

These infrastructure investments align with recommendations from global aviation regulators and industry groups. In April 2026, the International Air Transport Association (IATA) emphasized that continued investment in SAF, alongside new airport infrastructure, is critical for Kazakhstan to capitalize on global passenger and cargo traffic and strengthen its domestic aviation sector.

AirPro News analysis

The KBR contract award represents a concrete technical step in Kazakhstan’s ambition to localize SAF production, but several commercial variables remain undefined. The August 24 announcement did not disclose the financial value of the engineering contract, the projected production capacity of the facility, or a target completion date. We note that while the alcohol-to-jet pathway is a proven method for SAF production, scaling agricultural feedstock supply-chain domestically will be critical to the plant’s long-term viability. The parallel involvement of Full Vision Capital suggests the government is actively working to finance and structure this agricultural supply chain in the Alatau region to ensure the KBR-designed facility has the necessary inputs to operate at scale.

Sources: KBR

Photo Credit: Montage

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Technology & Innovation

Boeing and GM Complete Sale of HRL Laboratories to IBM

Boeing and GM finalized the sale of HRL Laboratories to IBM on August 25, 2026, supporting Boeing’s refocus on core aerospace operations.

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The Boeing Company and General Motors Company have finalized the sale of their jointly owned research facility, HRL Laboratories, to International Business Machines Corporation (IBM), a divestment that allows the aerospace and automotive manufacturers to redirect resources toward their primary industrial operations.

The transaction transfers ownership of the Malibu, California-based research center, which Boeing and GM previously held in a 50/50 joint venture. The companies initially announced the acquisition agreement on July 23, 2026. Boeing and GM confirmed the completion of the sale in a press release on August 25, 2026, followed by IBM’s official confirmation on August 26. Financial terms of the Acquisitions were not disclosed.

Strategic realignment for Boeing and GM

For Boeing, the sale of HRL Laboratories aligns with a broader corporate Strategy to streamline operations and concentrate capital on its core commercial airplanes, defense, and space divisions. HRL Laboratories was founded in 1948 and has historically provided advanced physical science and engineering research for its parent companies.

In a joint statement, Boeing and GM indicated that they will maintain a working relationship with the laboratory under its new ownership to support their respective technological needs.

“Since its founding in 1948, HRL Laboratories has been a leader in pioneering work in physical science and engineering, and we look forward to IBM building on this legacy. While Boeing and GM will continue to partner with IBM and HRL on quantum applications and advanced technology development, our companies will focus our resources on our respective core businesses and delivering the programs and services necessary to meet our customers’ evolving needs.”

IBM accelerates quantum hardware roadmap

The acquisition provides IBM with HRL’s expertise in silicon-spin qubits, quantum sensing, and advanced materials. IBM plans to integrate these technologies into its dual-track hardware strategy, combining its existing superconducting circuits with HRL’s silicon quantum dot research.

This integration supports the development of the IBM Quantum Starling, a fault-tolerant quantum computer projected to perform 100 million quantum operations by 2029.

Jay Gambetta, Director of Research and IBM Fellow, noted in a company statement that the HRL team brings a broad portfolio of technologies that will strengthen IBM’s long-term plans to deliver useful quantum computing. Gambetta stated the acquisition brings together advances across quantum computing, sensing, and networking.

Rob Vasquez, President and Chief Executive Officer of HRL Laboratories, described the acquisition as the natural next chapter for the facility, noting the team’s dedication to exploring how future quantum computers could be built at unprecedented scales.

AirPro News analysis

We view Boeing’s divestment of HRL Laboratories as a pragmatic step in its ongoing effort to stabilize and refocus its core aerospace Manufacturing businesses. While quantum computing and advanced materials research hold long-term promise for aerospace applications, maintaining a 50 percent stake in a dedicated research laboratory requires capital and management bandwidth that Boeing currently needs for its Commercial-Aircraft production and certification programs. By transitioning from an owner to a partner, Boeing retains access to HRL’s quantum advancements without the financial overhead of managing the joint venture.

Sources: The Boeing Company

Photo Credit: HRL Laboratories

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Technology & Innovation

Archer Aviation and AEG to Build eVTOL Vertiport at LA LIVE

Archer Aviation and AEG announce a multi-year partnership to develop an eVTOL vertiport at LA LIVE ahead of the 2028 Olympics.

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Archer Aviation Inc. and Anschutz Entertainment Group (AEG) have established a multi-year partnerships to construct a dedicated vertiport for electric vertical takeoff and landing (eVTOL) aircraft at the L.A. LIVE district in downtown Los Angeles.

Announced in an August 24, 2026 press release, the agreement establishes Archer as the exclusive air taxi partner for the 4 million-square-foot sports and entertainment complex. The project serves as a central node for Archer’s planned Southern California network, targeting operational readiness ahead of the 2028 Olympic and Paralympic Games.

Infrastructure and Network Expansion

The two companies have completed an initial feasibility study for the L.A. LIVE site. This assessment evaluated land-use requirements, airspace integration, power availability, and community impact. The project has now advanced to a secondary phase focused on operational procedures and passenger experience.

To support flight operations, the facility will incorporate electric aviation chargers manufactured by BETA Technologies. This hardware integration aligns with the Advanced Air Mobility (AAM) industry’s ACES consortium, which aims to standardize charging infrastructure across different eVTOL platforms.

The downtown location will connect to a broader regional network. According to reporting by Aviation International News, Archer’s Los Angeles architecture includes a central operational hub at the newly acquired Hawthorne Municipal Airport (KHHR). Additional planned nodes include Los Angeles International Airport (KLAX), Hollywood Burbank Airport (KBUR), John Wayne Airport (KSNA), SoFi Stadium, and the University of Southern California. Pollstar News reports that passenger travel times across this network are estimated between 10 and 20 minutes.

Aligning with the LA28 Games

The vertiport development is closely tied to the upcoming LA28 Olympic and Paralympic Games. The Downtown Los Angeles Zone is scheduled to host 18 Olympic and Paralympic sports, positioning L.A. LIVE adjacent to Crypto.com Arena and the Los Angeles Convention Center as a high-traffic transit corridor. Archer previously secured the designation of Official Air Taxi Provider for the LA28 Games and Team USA.

Archer Founder and CEO Adam Goldstein highlighted the strategic timing of the infrastructure build.

“Working with AEG on an iconic project like this vertiport at L.A. LIVE gives us the opportunity to continue building the infrastructure needed for Southern California to lead in the next era of all-electric flight. We see this as a one-of-a-kind opportunity to add a flagship downtown location to our planned Los Angeles air taxi network ahead of the LA28 Games.”

AEG Global Partnerships President and Chief Operating Officer Nick Baker stated the collaboration blends infrastructure and technology to serve event attendees and the broader community.

Unconfirmed Site Details

While the partnership is confirmed, specific logistical details remain undisclosed. Aviation International News noted that the exact footprint of the vertiport within the L.A. LIVE campus has not been specified. Potential locations could include existing parking structures, including one with a 100,000-square-foot rooftop deck, though neither Archer nor AEG has verified a specific location. Funding structures, ownership models, and specific operational responsibilities for the vertiport also remain unannounced.

AirPro News analysis

Securing viable takeoff and landing real estate in dense urban centers remains one of the highest barriers to entry for the AAM sector. By partnering directly with AEG, Archer bypasses several municipal land-acquisition hurdles, leveraging existing private commercial space in a highly regulated downtown corridor. The decision to install BETA Technologies chargers is equally significant. We view this hardware choice as a pragmatic step toward interoperability, ensuring the site can potentially service mixed fleets in the future rather than operating as a closed ecosystem. The success of this node will likely depend on local airspace deconfliction over downtown Los Angeles and the finalization of high-capacity grid connections required for rapid turnaround times.

Sources: Archer Aviation

Photo Credit: Archer Aviation

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