Rotor build + balance cell.

Shaft + bearing press, dynamic balancing, and end-of-line test. Rotor sub-assembly to finished spec.

Roadmap · 2028

Built in Richmond, VA

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Overview

Closes the loop on Gwaihir-built rotor production end-to-end.

Final-stage rotor assembly. Servo-pressed bearings, shaft-and-rotor stack-up, dynamic balance to ISO 21940 grade, and end-of-line back-EMF + cogging-torque verification. Designed for rotor classes 40 — 120 mm OD.

Specification

Detailed spec.

Roadmap spec — subject to design iteration as pilot customers shape the requirements.

Rotor OD range: 40 — 120 mm
Bearing press: Servo · force-monitored
Balance grade: ISO 21940 G2.5 typ.
Speed range: TBD
EOL test: Back-EMF · cogging · dielectric
Throughput: TBD
Power: 208 V · 3-phase
Origin: Designed and built in Richmond, VA

For

Where MX-04 lands.

Finished rotor sub-assembly

Ships rotors as drop-in to customer motor lines.

Custom balance grades

High-rpm propulsion + low-cogging gimbal grades.

Pilot lines

Co-located cell for a customer's on-prem assembly.

Other process areas

The rest of the machinery roadmap.

Engage

Talk to us about your production line.

Send a letter of interest Email Mason directly