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eFlyer 2 70 kW demonstrator EPU

Rolls-Royce Electrical
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Electric propulsion systems
Demonstrator propulsion unit
Historic 70 kW motor, inverter and controller EPU for eFlyer 2 flight testing.
Historical demonstrator or programme; current availability and approval require verification.

Specifications and conditions

Rolls-Royce described a 70 kW motor with associated inverter and controller. Published rating duration and configuration limits require confirmation.

Aircraft applications

Rolls-Royce reported an EPU in eFlyer 2 flight tests beginning in 2019. This historical configuration must not be assumed to match later prototypes or production aircraft.

Certification

No regulator-issued approval has been verified for this exact product and configuration. A flight demonstration, company quality certification or application for a type certificate does not establish product approval.

Sources

Rolls-Royce Electrical: eFlyer 2 70 kW demonstrator EPU source; checked 28 October 2026. Historic programme dates and model-specific specifications should be verified against the latest documentation.

Last verified

October 28, 2026