Hirth Engines and ePropelled Announce Strategic Collaboration to Advance High‑Efficiency Propulsion Systems
Hirth Engines, a globally recognised leader in two‑stroke engine technology, and ePropelled, an innovator in high‑efficiency intelligent electric propulsion and power‑generation systems, today announced a strategic collaboration aimed at delivering the next generation of hybrid propulsion solutions for the UAV, aerospace, defence, and specialised mobility markets.
Driven by increasing demand for reliable, lightweight, and energy‑efficient propulsion systems, the partnership brings together Hirth’s decades‑long expertise in advanced combustion engines with ePropelled’s pioneering electric propulsion and power‑management technologies. Together, the companies will develop integrated hybrid systems designed to offer unmatched performance, extended mission endurance, and greater operational flexibility.
Unifying Strengths to Address a Growing Market
Under this collaboration, Hirth Engines will complement its proven line of high‑performance two‑stroke engines with ePropelled’s intelligent power systems, starter‑generators, and electronic engine starters. The resulting hybrid solutions are expected to provide:
– Significant fuel‑efficiency gains
– Extended flight duration and payload capacity
– Lower lifecycle operating costs
– Enhanced reliability and redundancy for mission‑critical applications
– Improved sustainability, meeting emerging regulatory and environmental standards
By merging mechanical power with advanced electric power generation, the new hybrid systems will serve customers who require superior power‑to‑weight ratios, long operational endurance, and dependable performance in challenging environments.
Comments from Leadership
Bruno‑Gerard König, CEO of Hirth Engines, stated:
“This partnership elevates what our engines can achieve and opens new opportunities in fast‑growing sectors such as UAVs and advanced air mobility. ePropelled’s technology perfectly complements Hirth’s heritage of engineering excellence.”
Nick Grewal, CEO & Founder of ePropelled, commented:
“Combining our intelligent electric power‑generation systems with Hirth’s world‑class engines allows us to deliver hybrid solutions that set a new benchmark for performance and efficiency. This collaboration accelerates the future of hybrid propulsion.”
Accelerating Innovation Across Industries
The partnership will focus on applications including:
– UAVs and uncrewed systems
– Advanced air mobility (AAM) platforms
– Defence and surveillance missions
– Industrial and commercial aerial applications
– Lightweight hybrid ground vehicles
Research, development, and system‑integration work have already begun, with prototype demonstrations expected in upcoming project cycles and available to view at UMEX in Abu Dhabi in January 2026.
About Hirth Engines
Hirth Engines GmbH, based in Benningen a. N., near Stuttgart in the heart of German engine development, is a world‑renowned manufacturer of two‑stroke engines used in aviation, UAVs, marine, and specialised industrial applications. Founded nearly 100 years ago, Hirth is recognised for its precision engineering, reliability, and high power‑to‑weight performance in demanding environments.
About ePropelled
ePropelled, headquartered in Laconia, New Hampshire, USA, with offices in Coventry, United Kingdom, and Chennai, India, is a leading global technology provider specialising in smart propulsion and energy‑management systems for uncrewed vehicles across air, land, and sea. Founded in 2018, ePropelled holds 40 patents and serves customers worldwide from its New Hampshire headquarters and manufacturing centre, supported by R&D and operations facilities in the UK and India. ePropelled products are engineered to maximise performance, reduce energy consumption, and accelerate the transition to a sustainable future.
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