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Architecture Examples for Electrified Propulsion Aircraft

The application of electric power for aircraft propulsion can take a variety of forms, ranging from partial electric to full electric. The introduction of electric motors to drive propulsors, along with the variety of available methods to generate electricity and store energy offers great degree of new design freedom for new aircraft and aircraft architectures. This newfound design freedom exposes a need within the aviation industry to establish a common design language for electrified propulsion. While this need for a common design language is recognized, the intent of this document is to encourage innovation, providing reference architectures as a launching point for future work in this area. This document will categorize potential electrified propulsion architectures and provide examples.

Safety Considerations for Electrified Propulsion Aircraft

This SAE Aerospace Recommended Practice (ARP) discusses particularities to be considered when performing the safety assessment of electrified propulsion aircraft. Its main focuses are: • The failure modes of electrified propulsion components • Methods to evaluate failure rates of electrified propulsion components • Effects of failures on example electrified propulsion system and aircraft architectures • Particular risks, common causes, and zonal considerations specific to electrified propulsion The guidance in this document may be used to generate inputs for system and aircraft safety assessment activities.

Nomenclature & Definitions for Electrified Propulsion Aircraft

Create and publish a list of terms relevant to electrified propulsion aircraft with summary text descriptions. The terms and description will not provide full explanations, diagrams, and other detailed technical descriptions. These deeper descriptions will be addressed in other documents.