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SPX177-137D

Helix
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Electric motors and engines
Motor-generator
Custom synchronous permanent-magnet motor-generator for a hybrid aviation generator.
Supplier describes product or development programme; current status requires verification.

Specifications and conditions

RED Aircraft reports 420 kW peak, 327 kW continuous and 21.7 kg for this customized motor; do not apply those component ratings to the complete generator system.

Aircraft applications

Manufacturer describes aviation applications; exact model-specific installation and current status require verification.

Certification

No regulator-issued approval has been verified for this exact product configuration. Certification work, special conditions and organisation approval do not establish an issued product certificate.

Sources

SPX177-137D: source, checked 28 October 2026.

Last verified

October 28, 2026