BrotherHobby R3.5 2205 2140KV 6S Brushless Motor with 7075 Aluminum Bell for 3.5-Inch CineWhoop FPV Drones 4PCS 2140KV

Description

Overview

TheBrotherHobby R3.5 2205 2140KV Brushless Motor is purpose-built for 3.5-inch CineWhoop and FPV freestyle drones running on 6S LiPo. With a low throttle curve and high peak thrust of up to 881g. it delivers powerful and efficient performance for cinematic flying. indoor precision shots. and agile freestyle maneuvers.

This motor combines aerospace-grade materials with refined tuning. including an N52H arc magnet. titanium hollow shaft. and precision-balanced bell. ensuring smooth rotation. fast throttle response. and durability in high-G conditions.

Key Features

• Optimized 2205 stator with 2140KV for 6S power systems

• Peak thrust up to 881g with 3.5-inch five-blade prop

• High-strength 7075 aluminum bell and base for maximum durability

• Titanium alloy hollow shaft for weight savings and strength

• N52H arc magnets for stable magnetic circuit and linear torque

• Dual NSK 834mm bearings for extended service life

• Lightweight design with only 27.18g (including wires)

• Factory dynamic balancing (<6mg) for minimal vibration

• Fully tested to pass 500V hipot and impulse winding reliability

Specifications

Parameter	Value
Motor KV	2140KV
Stator Size	2205
Configuration	12N14P
Shaft	Hollow Titanium Alloy
Prop Compatibility	3.5-inch Five-Blade (Recommended)
Max Thrust	881g
Voltage	6S LiPo
Max Current	31.5A
Max Power	787.5W
Internal Resistance	87 m
Idle Current	0.9A @ 10V
Wire Spec	20AWG. 160mm
Weight (incl. cable)	27.18g
Mounting Hole Pattern	1212mm. M2 bolts
Motor Dimensions	27mm 32.1mm
Bearings	Japanese NSK 834mm
Magnet Type	N52H Arc Magnets
Base/Bell Material	CNC 7075 Aluminum Alloy
Dynamic Balance	6mg

Performance Bench Test (3.5 5-Blade. 6S LiPo)

Throttle (%)	Thrust (g)	Current (A)	Power (W)	Efficiency (g/W)
30%	184	2.90	73.08	2.52
50%	406	9.70	244.44	1.66
70%	569	16.80	421.68	1.35
100%	881	31.50	787.50	1.12

Test conducted by BrotherHobby at ambient temperature 26C. Motor copper core reached ~106C after 2 mins at full throttle.

Applications

Perfect forCineWhoop drones. indoor FPV cinematic setups. and freestyle FPV drones requiring reliable high-thrust motors on 6S. Recommended for frames supporting 3.5-inch ducted props or 85100mm wheelbase configurations.

What’s Included

• 1x BrotherHobby R3.5 2205 2140KV Brushless Motor

• 1x M5 Prop Nut (Color-coded optional)

• 1x Mounting Screw Set

BrotherHobby R3.5 2205-2140KV motor specs: 2140KV. 22mm stator. 6S Lipo. 787.5W max power. 31.5A max current. Load test data includes RPM. thrust. efficiency at various throttle settings. Copper wire temp reaches 106C at full throttle.

R3.5 2205 motor: low throttle. high thrust. longer flight time. stronger power.

BrotherHobby R3.5 2205 2140KV 6S motor: 12N14P config. 881g thrust. 27.18g weight. 6S 35A ESC. 3.5-inch five-blade props. 27*32.1 install size.

BrotherHobby R3.5 2205 2140KV motor offers low throttle. high thrust for novice flyers to enjoy flight manipulation.

BrotherHobby R3.5 motor offers super sense of control for easier stunts and maneuvers.

3.5-inch five-blade design enhances control. efficiency. matching R3.5 2205 motor perfectly.

High-quality materials and exquisite workmanship. Features N52h arc magnet. premium bearings. 0.2mm silicon steel sheet. TU1 grade wire. and aviation-grade aluminum caps for optimal performance and durability.

BrotherHobby R3.5 motor offers 881g thrust. supports various camera styles for diverse shooting needs.

druav.com. All rights reserved.