KDE8218XF-120
Brushless Motor for Heavy-Lift Electric Multi-Rotor (UAS) Series

(Patent Pending)
  • $596.95

Overview

Recommended ESC: KDE Direct UAS 125A+ UVC Multi-Rotor Series
Alternate ESC: KDE Direct UAS 95A+ HVC Multi-Rotor Series

Recommended Propeller: KDE Direct 30.5" x 9.7 Dual-Propeller Blades

New production version includes laser-etch serialization (unique ID) and an active-centrifugal fan for improved cooling and sustained performance.

The new KDE Direct 8218XF-120 (HE) Multi-Rotor Brushless Motor is an aerospace-level flagship of technology from KDE Direct - designed specifically for heavy-lift commercial and industrial applications.  With an all-new bearing design (triple-supported, ABEC-7 angular-contact and radial bearings) specific for high-thrust capacity and market-leading durability, the motors encompass the premier of UAS technology.  The motor incorporates a very high-efficiency (HE) 28-pole design, used in our industrial applications, and now brought to the UAS market for long-duration flight performance.  The motors are designed with performance and durability in-mind, with features unseen in the current market: (1) high-grade, 240°C continuous (340°C maximum) high-temperature solid-core copper windings for failure-free operation in extreme-climates, (2) Japanese-built, 0.2 mm silicon-steel stator laminations and Kevlar tie-wraps for high-efficiency performance, and (3) integrated centrifugal-fan for cool running temperatures and high-performance capacity.  These are just a few of the advantages built-in to these motors, and every detail of the motors was scrutinized to produce the absolute best available; for a wide-range of flight applications.

Motor includes 200°C, 13 AWG, 760mm silicone-wire leads and ф4.0mm 24K Bullet Connectors (pre-soldered to the motor leads and ESC female bullets included).

Specifications

Material: Neodymium N45UH, 120Kv

Models: Universal mounting pattern provides simple installation for a wide-range of multi-rotor and UAS applications: M5 x ф40mm, M5 x ф55mm, M6 x ф55mm.

Includes:

  • One (1) KDE Direct XF UAS M8-RH Propeller Adapter Assembly (KDEXF-PA823-RH)
  • One (1) KDE Direct XF UAS M10-RH Propeller Adapter Assembly
  • One (1) KDE Direct XF UAS M10 Propeller Bracket Assembly (Black Edition)
  • Three (3) KDE Direct XF ф4.0mm 24K Bullet Connectors (Female)
  • Four (4) M6 x 1.0 x 10 mm Flat Head Phillips Head Machine Screws (Class 12.9)
  • Four (4) M5 x 0.8 x 8 mm Flat Head Phillips Head Machine Screws (Class 12.9)
  • Eight (8) M4 x 0.7 x 12 mm Socket Head Cap Screws (Class 12.9)
  • Four (4) M3 x 0.5 x 14 mm Socket Head Cap Screws (Class 12.9)

Finish:

  • Clear anodize, mirror-polish CNC gloss endbells
  • Black electro-plate, CNC gloss central core (flux ring)

Full Specifications:

Kv (Motor Velocity Constant) 120 RPM/V
Kt (Motor Torque Constant) 0.0796 Nm/A
Km (Motor Constant) 0.4137 Nm/√(W)
Maximum Continuous Current* 110+ A (180 s)
Maximum Continuous Power* 5695+ W (180 s)
Maximum Efficiency > 94%
Voltage Range 22.2 V (6S LiPo) - 60.9 V (14S LiHV)
Io (@10V) 0.8 A
Rm (Wind Resistance) 0.037 Ω
Stator Poles 24 (24S28P, HE)
Magnetic Poles 28 (24S28P, HE)
Bearings Triple, 6901-2RS/7901C/7001C
Mount Pattern M5 x ф40 mm, M6/M5 x ф55 mm
Stator Class 8218, 0.2 mm Japanese
Shaft Diameter ф10 mm (ф12 mm Internal)
Shaft Length 9.5 mm
Motor Diameter ф89 mm
Motor Length 49.2 mm
Motor Weight 760 g (845 g with Wires/Bullets)
Propeller Blade Size Up to 30.5"-TP (27.5"-TP Maximum on 14S)
Motor Timing 22° - 30°
ESC PWM Rate 16 - 32 kHz (600 Hz)

*: Brushless motor requires consistent open airflow (5 mph or greater) across the windings to maintain maximum continuous current and power ratings during operation. Performance figures are provided as guidelines for normal conditions and operation; environmental factors, such as air temperature and humidity, can significantly alter the maximum performance limits of the motor.

Technical Media


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