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Business Air News Bulletin
Business Air News Bulletin
The monthly news publication for aviation professionals.

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Honeywell Aerospace

Lilium GmbH
Aircraft

Lilium Jet

BAN's World Gazetteer

Arizona
Germany
The monthly news publication for aviation professionals.

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Honeywell sensors selected to help guide Lilium Jet
Custom-engineered sensors will help the Lilium Jet fly, accurately sensing the engine's position to ensure that the jet can safely reach the exact position required for a successful take off.
Honeywell supplies e-motors for the Lilium Jet engines, avionics, onboard thermal management systems, the flight control computer and now the resolvers.

Lilium has chosen Honeywell to supply propulsion unit position sensors, known as resolvers, for its Lilium Jet.

The sensors will play a critical role in accurately sensing the engine's position, ensuring that the jet can safely reach the exact position required for a successful take off. Creating sensing solutions for regional air mobility supports Honeywell's portfolio alignment to three compelling megatrends: automation, the future of aviation and energy transition. Honeywell is an investor in Lilium and supplies many key components for the jet, including e-motors for the engines, avionics, onboard thermal management systems and the flight control computer.

"Honeywell's expertise in both the aerospace and sensing industries means that they are able to understand the unique needs of, and create tailored solutions for, the Lilium Jet," says COO Yves Yemsi. "In rethinking the traditional resolver, Honeywell is playing a key role in turning our concept, a fully-electric jet that takes off and lands vertically, into a reality."

The Lilium Jet is powered by 30 electric ducted fan engines, each of which need to move precisely from a vertical to horizontal position to support take off and forward movement in the air. This action is controlled by a resolver, traditionally a heavier piece of equipment composed of coils of copper wire and magnetic steel.

Honeywell, working closely with Lilium, created a customised, solid-state resolver using patented spiral magnet technology and magneto resistive sensors that can determine the position of magnetic objects. The resolver is substantially less expensive and lighter-weight than traditional counterparts. Although specific to the Lilium Jet, this Honeywell-patented technology can be replicated across other types of electric aircraft and will play an important role in furthering the adoption of advanced air mobility.

"This expansion of the existing partnership between Honeywell and Lilium demonstrates the companies' ongoing commitment to create solutions for the future of more sustainable transportation," says Sarah Martin, president of Honeywell Sensing Solutions. "A growing number of eVTOLs will be flying above us in the very near future, representing a groundbreaking step in the electrification of air transport. Our sensors, though small, are playing a large part in making these aircraft a reality."

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Lilium began assembly of the first Lilium Jet at its manufacturing and testing facilities near Munich at the end of 2023. The first piloted flight test is targeted to occur in late 2024.