EnvelopeØ17.9 × 16.6 mm
Mass9.34 g
Stator / KV1404 · 2900 KV
Frame retention4× M2 on Ø9 mm
Prop retention2× M2 · 5 mm spacing
ShaftØ1.5 × 3 mm projection
Geometry authority: declared-envelope
Datum: Motor mounting face at z = 0; shaft and motor axis +Z; XY centered on shaft.
Source-derived fit/show geometry, not manufacturer CAD. Bell contours are restrained approximations; vents, windings, bearings, wires, magnets, internal threads, and safe screw depth are not modeled.
Published thrust evidence: 1 table at 16.7 V, keyed to hqprop-t35x2x3.