RC · 100MM · 42-POLE
⌀ 100.00 MM
SECTION B-B
REV — A.1
Rotor Castings · 100 mm class

100 mm rotor shell.

Large QDD outrunner shells for humanoid hip + cobot class.

Coming Q4 2026
A380 · Die Cast
Outer dia.
100mm
Poles
42
Material
A380cast
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Specification

Detailed spec.

Common to all 100 mm SKUs. As-cast wall thickness, magnet seat geometry, and mounting features are finalized with pre-launch partners.

Material
A380 die-cast aluminum (A356-T6 on request)
Outer Ø
100 mm (±0.05 mm typ.)
Pole count
42
Format
Net-shape casting · finish-machined bore + seats
Features
Integral closed end · Mounting bosses · Magnet seats per profile
Wall thickness
TBD — as-cast, selected with partner
MOQ
Single unit
Lead time
Catalog stock from Richmond, VA
Pairs with

Designed to pair with the matching stator.

Stator companion
100mm · 36-slot stack
Bonded silicon-steel laminations. Catalog SKU, ships from Richmond.
P/N — AS-100-36
For

Where the 100 mm class lands.

01
Humanoid hip
42-pole shells for hip + shoulder load-bearing joints.
02
Industrial cobot
Cobot base + waist actuators.
03
Exoskeleton
Powered exo joint modules.
Other sizes

The rest of the Rotor Castings lineup.

Engage

Spec your motor program with us.

Send a letter of interest Email Mason directly