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eVTOL InsightsJason Pritchard

H55 advances 200 kWh ESS for RTX hybrid-electric flight demonstrator

H55 says it has advanced development of a 200 kWh Energy Storage System (ESS) for the RTX hybrid-electric flight demonstrator after achieving a first full-power run. The milestone moves the demonstrator closer to flight-test readiness and validates higher-capacity lithium‑ion propulsion battery integration.

2026-03-23T03:58:07.560597-07:00

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2026-03-23T03:58:07.560597-07:00
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2026-03-20T06:15:09.713713-07:00
2026-03-19T03:34:42.079908-07:00
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2026-03-18T04:29:52.010923-07:00
2026-03-17T09:25:57.713305-07:00

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