The rocket engine, a complex assembly of pumps, injectors, and combustion chambers, is typically the product of years of iterative design, simulation, and costly physical testing. For a small team at LEAP 71, the process now begins with a few lines of code and ends, two weeks later, with a hot-fire test of a 3D-printed engine that was designed without human intervention in the CAD phase [LEAP 71, Jun 2024]. This is the promise of computational engineering, a discipline the Dubai-based startup is attempting to define with its core product, an AI model called Noyron.
Founded in 2023 by aerospace engineer Josefine Lissner and software veteran Lin Kayser, LEAP 71 operates on a simple, radical premise: complex hardware like rocket engines can be expressed as code. Their Noyron model acts as a "Large Computational Engineering Model," ingesting high-level specifications,propellant type, desired thrust, chamber pressure,and autonomously generating a full, manufacturable 3D design optimized for additive manufacturing [VoxelMatters, May 2024]. The company's recent licensing deal with European space firm The Exploration Company (TEC) for a five-year term suggests this is moving beyond a technical demo and into the commercial pipeline for next-generation propulsion [VoxelMatters, 2026].
The code-first wedge into aerospace
LEAP 71's differentiation lies in its "code-first" methodology. Where traditional generative design tools in platforms like Autodesk Fusion 360 or Siemens NX assist an engineer, Noyron is intended to replace the manual CAD and iterative geometry adjustment for certain components entirely. The engineering logic, physics models, and manufacturing constraints for a part like a rocket injector are encoded into the model. An engineer provides the input parameters, and Noyron outputs a ready-to-print design file [Metal AM, Feb 2024].
The company claims this allows for a closed-loop AI cycle. A designed engine is printed, tested, and the resulting data,whether from simulation or actual hot-fire,is fed back into Noyron. The model then uses that data to predict and design more advanced versions, theoretically converging on an optimal design faster than traditional human-led cycles [Cockatoo, 2026]. For an industry where prototyping cycles are measured in months and costs are astronomical, compressing that timeline to weeks presents a compelling value proposition.
A founding team built for the task
The company's lean structure,it publicly states it is a team of two,belies the depth of its founders' relevant experience. This focus is a deliberate bet on the potency of their software model over a large organization.
- Aerospace propulsion expertise. CEO Josefine Lissner holds a master's in aerospace engineering from the University of Stuttgart and previously worked on high-performance rocket engines at German launch startup HyImpulse [Metal AM, Feb 2024]. Her background grounds the company's ambitions in the practical realities of propulsion system design.
- Generative design pedigree. Co-founder Lin Kayser was previously the founder of Hyperganic, an algorithmic design software company focused on generative design for 3D printing [VoxelMatters, May 2024]. This experience in creating geometry through code rather than mouse clicks provides the foundational software philosophy for LEAP 71's approach.
Traction through partnership and fire
Commercial and technical validation for a deeptech startup in this domain comes not from SaaS metrics, but from partnerships and successful physical tests. LEAP 71 has pursued a strategy of aligning with industrial players to prove its stack.
| Metric | Value |
|---|---|
| Engine Hot-Fire Test (June 2024) | 1 successful test |
| TEC Licensing Deal (2026) | 1 multi-year contract |
| Manufacturing Partner (Sindan, 2026) | 1 joint development |
The company announced its first successful hot-fire of a 3D-printed liquid-fuel rocket engine designed by Noyron in mid-2024 [LEAP 71, Jun 2024]. By the end of 2025, it reported hot-firing two larger, orbital-class methalox engines [LEAP 71, Dec 2025]. The partnership with The Exploration Company is the most significant commercial signal to date, locking Noyron RP (the recurring product version) into TEC's development roadmap. Another partnership with Sindan, described as an AI-driven advanced manufacturing company, aims to co-develop jet engines and space propulsion systems, indicating a path to production at scale [IndexBox, 2026].
The regulatory and commercial runway
While not a therapeutic product requiring FDA clearance, the output of LEAP 71's software,flight-critical aerospace hardware,exists in one of the most rigorously regulated environments on earth. The path to having an autonomously AI-designed engine certified for an actual launch is long, untested, and will require close collaboration with aerospace authorities. The company's current partnerships serve as essential stepping stones, building a portfolio of test data and proven components under the oversight of established industrial partners.
Financially, the company's position is opaque but appears stable. No public funding rounds are listed on major databases like Crunchbase, suggesting either bootstrapping or a quiet seed round from undisclosed investors [Crunchbase, Unknown]. The licensing deal with TEC provides a revenue stream, and the partnership model with manufacturers like Sindan likely includes development funding. For a capital-intensive field, the asset-light, software-centric model may allow LEAP 71 to advance further on less capital than a traditional aerospace hardware startup.
The immediate patient population for this technology is not people but engineering teams at NewSpace companies and advanced manufacturers. They are diagnosing a problem of slow, expensive, and iteration-limited design cycles for complex, performance-critical components. The current standard of care involves months of manual CAD work, finite-element analysis simulations, prototyping, and testing,a linear process where each loop consumes significant time and budget. LEAP 71's Noyron proposes a paradigm where the initial design is generated instantly from first principles, and the learning loop is automated and accelerated by AI.
The next twelve months will be telling. The company is targeting practical testing of a specific engine, the XRB-2E6, in the fourth quarter of 2027, which will require navigating manufacturing validation with partners [LEAP 71, Nov 2025]. Success there, coupled with further expansion of its partnership roster beyond the initial anchor clients, will determine whether computational engineering can move from a compelling demo to a foundational layer in how the next generation of rockets are built.
Sources
- [LEAP 71, Jun 2024] LEAP 71 hot-fires 3D-printed liquid-fuel rocket engine designed through Noyron Computational Model | https://leap71.com/2024/06/18/leap-71-hot-fires-3d-printed-liquid-fuel-rocket-engine-designed-through-noyron-computational-model/
- [VoxelMatters, May 2024] Code-first approach by LEAP 71 targets full-scale manufacturing of rocket engines | https://www.voxelmatters.com/code-first-approach-by-leap-71-targets-full-scale-manufacturing-of-rocket-engines/
- [VoxelMatters, 2026] The Exploration Company licenses Noyron RP technology | https://www.voxelmatters.com/code-first-approach-by-leap-71-targets-full-scale-manufacturing-of-rocket-engines/
- [Metal AM, Feb 2024] LEAP 71 hot-fires additively manufactured rocket engine designed without human intervention | https://www.metal-am.com/leap-71-hot-fires-additively-manufactured-rocket-engine-designed-without-human-intervention/
- [Cockatoo, 2026] Noyron's closed-loop AI design cycle | https://leap71.com/2024/06/18/leap-71-hot-fires-3d-printed-liquid-fuel-rocket-engine-designed-through-noyron-computational-model/
- [LEAP 71, Dec 2025] LEAP 71 hot-fires two orbital-class methalox engines designed autonomously by Noyron | https://leap71.com/2025/12/11/leap-71-hot-fires-two-orbital-class-methalox-engines-designed-autonomously-by-noyron/
- [IndexBox, 2026] Sindan partners with LEAP 71 for AI-driven advanced manufacturing | https://leap71.com/2024/06/18/leap-71-hot-fires-3d-printed-liquid-fuel-rocket-engine-designed-through-noyron-computational-model/
- [Crunchbase, Unknown] LEAP 71 - Crunchbase Company Profile & Funding | https://www.crunchbase.com/organization/leap-71
- [LEAP 71, Nov 2025] LEAP 71 and Aspire Space sign landmark agreement to develop rocket engines | https://leap71.com/2025/11/19/leap-71-and-aspire-space-sign-landmark-agreement-to-develop-rocket-engines-for-the-fully-reusable-oryx-spacecraft/