T-Motor AIR2216 II KV920 Motor: A Lightweight 4S Brushless Motor for 450-Class Multirotor Drones

Posted By levi@uavmodel.comLevi on August 2026

T-Motor AIR2216 II KV920 Motor: A Lightweight 4S Brushless Motor for 450-Class Multirotor Drones

SEO Title: T-Motor AIR2216 II KV920 Motor for 450-Class Drones | 4S Brushless Motor
Meta Description: Explore the T-Motor AIR2216 II KV920 motor, a lightweight 4S brushless drone motor delivering up to 1,332g tested thrust with a T1045 propeller. Learn about specifications, performance, applications, and setup.
Primary Keyword: T-Motor AIR2216 II KV920 Motor
Secondary Keywords: AIR2216 II KV920, T-Motor 2216 motor, 920KV drone motor, 4S brushless motor, 450 quadcopter motor, multirotor motor, T-Motor AIR Gear 450 II, UAV motor, RC drone motor

Introduction

Choosing the right propulsion system is one of the most important decisions when building a multirotor drone. Motor KV, battery voltage, propeller size, ESC capability, aircraft weight, and expected flight time all need to work together. A motor that is too small may struggle to generate sufficient thrust, while an oversized propulsion system can add unnecessary weight and reduce overall efficiency.

The T-Motor AIR2216 II KV920 Motor is designed for this type of lightweight and medium-duty multirotor application. With a 920KV rating, support for a 4S LiPo battery, approximately 64 ± 2 g weight including cables, and a published maximum 180-second power rating of 272 W, it is intended for 450-class and similar multirotor platforms where a balance of weight, thrust, reliability, and efficiency is important.

The motor is also part of the T-Motor Air Gear 450 II propulsion ecosystem, where it is matched with the AIR 20A ESC and T1045 10×4.5 propeller. Under the manufacturer's 16 V test conditions, this combination produced up to 1,332 g of single-motor thrust at full throttle.

For hobby builders, educators, DIY drone developers, and pilots looking for a dependable 4S propulsion solution, the AIR2216 II KV920 offers a practical combination of compact size and useful thrust output.

What Is the T-Motor AIR2216 II KV920?

The T-Motor AIR2216 II KV920 is a 920KV brushless motor designed for multirotor UAV applications. It is intended to work on a 4S LiPo voltage platform and is commonly paired with the T1045 10×4.5 propeller and AIR 20A ESC.

The motor is part of T-Motor's AIR Gear 450 II family, a propulsion solution developed for educational, DIY, and multirotor applications. The official T-Motor information lists the AIR2216 II as the motor component of this system.

Its core specifications include:

Specification	AIR2216 II KV920
KV Rating	920KV
Recommended Voltage	4S LiPo / 16V
No-Load Current at 10V	0.8A
Phase-to-Phase Resistance	115 ± 10 mΩ
Maximum Current, 180 s	17A
Maximum Power, 180 s	272W
Maximum Continuous Power	72W
Weight Including Cable	64 ± 2g
Recommended Propeller	T1045
Recommended ESC	AIR 20A

These specifications make the AIR2216 II particularly suitable for compact multirotor aircraft that use a 4S power system.

Key Features of the T-Motor AIR2216 II KV920

1. 920KV Configuration for 4S Multirotors

The 920KV rating is one of the defining characteristics of the AIR2216 II.

KV refers to the motor's approximate unloaded RPM per volt. It should not be interpreted as a direct indication of thrust or power. In an actual aircraft, propeller load, battery voltage, current, motor efficiency, and aerodynamic conditions all affect the final RPM.

For the AIR2216 II, the 920KV configuration is matched to a 4S LiPo platform, with the manufacturer's testing conducted at approximately 16 V.

This combination is well suited to 450-class multirotors where builders want reasonable propeller speed without relying on extremely high battery voltage.

2. Lightweight 64 g Motor

Weight is extremely important on multirotor aircraft because every motor is carried continuously throughout the flight.

The AIR2216 II weighs approximately 64 ± 2 g including its cable.

On a quadcopter, four motors therefore represent approximately 256 g of motor weight before accounting for ESCs, propellers, wiring, frame, flight controller, battery, and payload.

Keeping the propulsion system relatively lightweight helps designers maintain an appropriate thrust-to-weight ratio without unnecessarily increasing aircraft mass.

This is particularly valuable for:

450-class quadcopters
Educational drones
DIY multirotors
Lightweight camera drones
Experimental UAV platforms
Training aircraft
Small autonomous aircraft

T-Motor AIR2216 II Thrust Performance

Motor specifications alone do not tell the entire story. The combination of motor, propeller, battery, ESC, and throttle setting determines actual propulsion performance.

T-Motor's published test data for the AIR2216 II KV920 with the T1045 propeller provides a useful reference.

At 16 V, the system produced the following results:

Throttle	Thrust	Current	RPM	Power	Efficiency
30%	210 g	1.44 A	4,042	23 W	9.12 g/W
40%	309 g	2.29 A	4,855	37 W	8.45 g/W
50%	447 g	3.60 A	5,780	58 W	7.76 g/W
60%	628 g	5.61 A	6,800	90 W	7.01 g/W
70%	814 g	7.92 A	7,679	126 W	6.44 g/W
80%	993 g	10.59 A	8,468	169 W	5.88 g/W
90%	1,191 g	13.81 A	9,257	219 W	5.43 g/W
100%	1,332 g	16.37 A	9,857	260 W	5.13 g/W

These are bench-test figures, so actual in-flight results will vary according to battery condition, aircraft configuration, altitude, temperature, propeller condition, and installation.

The test data demonstrates that the AIR2216 II can provide more than 1.3 kg of static thrust from a single motor under the specified test configuration.

Why the T1045 Propeller Is Important

The recommended propeller for the AIR2216 II KV920 is the T1045, a 10×4.5-inch polymer propeller.

Its specifications include:

Diameter: 10 inches / 254 mm
Pitch: 4.5 inches / 114.3 mm
Material: Nylon + fiberglass
Individual propeller weight: approximately 13 g
Recommended operating RPM: approximately 6,000–7,000 RPM
Maximum thrust limitation: 1.2 kg
Surface treatment: matte texture

The propeller is an important part of the complete propulsion system. Changing the propeller size or pitch can significantly alter motor current, thrust, RPM, power consumption, and operating temperature.

For this reason, the published AIR2216 II test data should be considered specifically in the context of the T1045 propeller and 4S/16 V test platform.

AIR2216 II + AIR 20A ESC

For a complete propulsion setup, T-Motor pairs the AIR2216 II with the AIR 20A ESC.

The AIR 20A ESC specifications include:

Specification	AIR 20A ESC
Rated Voltage	3–4S LiPo
Continuous Current	20A
Peak Current	30A for 10 seconds
Weight Including Cable	21 g
Dimensions	53 × 22 × 7 mm
Banana Plug	3.5 mm female
Throttle Signal Frequency	50–600 Hz
BEC	None

The 20A continuous-current rating provides appropriate headroom relative to the AIR2216 II's published 17A maximum current rating under its 180-second specification.

However, builders should always verify the complete electrical system before flight, particularly when experimenting with different propellers or operating conditions.

Recommended Drone Weight

The AIR2216 II KV920 is primarily associated with the Air Gear 450 II platform.

The manufacturer's recommended multirotor maximum takeoff weight ranges are approximately:

Quadcopter: 1.8–2.2 kg
Hexacopter: 2.7–3.3 kg
Octocopter: 3.6–4.4 kg, non-coaxial configuration

For coaxial configurations, the manufacturer advises accounting for a 25% loss.

These figures are system-level recommendations and should not be interpreted as a guarantee that every aircraft within these weights will achieve identical flight performance.

Aircraft designers should also consider hover throttle, desired maneuvering margin, battery capacity, payload, wind conditions, and flight duration.

Designing Around Hover Efficiency

One of the most useful pieces of information from the Air Gear 450 II system documentation is the recommended use of the efficiency-thrust curve.

The manufacturer indicates that system efficiency is particularly favorable in approximately the 400–800 g thrust range per motor, and recommends designing the aircraft so that its hover thrust falls within this range when possible.

This is an important principle for drone design.

For example, a quadcopter weighing approximately 2 kg needs around 500 g of average static thrust from each motor to hover in an idealized equal-load condition.

That puts each motor near the recommended 400–800 g thrust region.

The result can be a useful combination of:

Stable hover
Reasonable throttle margin
Good energy efficiency
Reduced unnecessary motor loading
Better endurance potential

Rather than selecting a motor based only on maximum thrust, it is often better to select a propulsion system where the aircraft's normal hover point sits in an efficient operating region.

Understanding Thrust-to-Weight Ratio

For multirotor design, total maximum thrust is only one part of the equation.

A quadcopter using four AIR2216 II motors could theoretically produce more than 5 kg of aggregate bench-test thrust under the specific 16 V/T1045 test condition.

However, the manufacturer recommends a significantly lower aircraft maximum takeoff weight of approximately 1.8–2.2 kg for the four-motor configuration.

Why?

Because a practical aircraft needs reserve thrust.

A drone should not be designed so that hovering requires nearly 100% throttle. The aircraft needs additional thrust for:

Takeoff
Climbing
Wind compensation
Maneuvering
Payload changes
Battery voltage reduction
Emergency recovery

This is why recommended aircraft weight is more useful for real-world design than simply dividing maximum bench-test thrust by the number of motors.

AIR2216 II for 450-Class Quadcopter Builds

The AIR2216 II is a natural fit for 450-class multirotor platforms.

A typical four-motor configuration can include:

4 × AIR2216 II KV920 motors
4 × AIR 20A ESCs
4 × T1045 propellers or an appropriate CW/CCW set
1 × 4S LiPo battery
Flight controller
450-class frame
Radio receiver
Optional GPS or other payload

The final aircraft should be designed around the total weight rather than around the motor alone.

A well-matched system can provide sufficient thrust while keeping the propulsion system compact and relatively lightweight.

AIR2216 II for Hexacopters and Octocopters

The motor is not limited to quadcopters.

The manufacturer also provides recommended MTOW ranges for six- and eight-motor aircraft:

Hexacopter

A six-motor configuration is listed for approximately 2.7–3.3 kg MTOW.

The additional motors provide redundancy and additional total thrust compared with a four-motor configuration.

Octocopter

An eight-motor, non-coaxial configuration is listed for approximately 3.6–4.4 kg MTOW.

For professional UAV applications, the final configuration should also account for flight-controller support, motor direction, propeller orientation, frame geometry, battery architecture, and applicable operational requirements.

Efficiency Characteristics

The AIR2216 II's published data shows a clear relationship between throttle and efficiency.

At 30% throttle, the tested system generated approximately 210 g of thrust at 23 W, corresponding to about 9.12 g/W.

At 50% throttle, it generated approximately 447 g at 58 W, or 7.76 g/W.

At 70% throttle, it generated approximately 814 g at 126 W, or 6.44 g/W.

At full throttle, thrust increased to approximately 1,332 g, but power consumption also increased to approximately 260 W, reducing measured efficiency to about 5.13 g/W.

This illustrates why an efficient drone design should normally hover well below maximum throttle.

Maximum throttle is useful when the aircraft needs maximum thrust, but continuous full-power operation is generally not the objective for an endurance-oriented multirotor.

Motor Temperature and Thermal Management

The manufacturer's test notes state that the motor temperature figure represents the motor surface temperature after running at 100% throttle for 10 minutes.

The listed test condition records an operating temperature of approximately 80°C under that full-throttle test.

This is an important reminder that high-power propulsion produces substantial heat.

For practical installations, builders should provide:

Adequate airflow
Correct propeller selection
Appropriate motor loading
Secure motor mounting
Proper ESC ventilation
Avoidance of prolonged unnecessary full-throttle operation

The test figures are reference data rather than a promise of identical temperature performance in every aircraft.

Motor Resistance and Electrical Characteristics

The AIR2216 II has a published phase-to-phase resistance of 115 ± 10 mΩ and a no-load current of 0.8 A at 10 V.

These specifications are useful when evaluating the motor's electrical characteristics and comparing it with alternative propulsion systems.

The motor's published maximum current is 17 A for 180 seconds, while the maximum power is listed as 272 W for 180 seconds. The manufacturer's technical documentation also lists 72 W maximum continuous power.

Because different ratings describe different operating conditions, users should follow the manufacturer's recommended motor/propeller/battery combinations rather than attempting to maximize every rating simultaneously.

CW and CCW Motor Options

The UAVSSS product page lists the AIR2216 II KV920 with selectable CW and CCW versions.

This is particularly useful for multirotor construction because a conventional quadcopter requires motors rotating in opposite directions.

A typical quadcopter uses:

Two clockwise motors
Two counter-clockwise motors

The corresponding propeller orientation must also be matched correctly.

When ordering replacement motors, users should confirm whether they need a CW or CCW version before purchasing.

Durability for Educational and DIY Applications

The Air Gear 450 II system is positioned by T-Motor for training, education, DIY, and multirotor applications.

This makes the AIR2216 II particularly interesting for users who are not necessarily building a specialized industrial UAV.

Potential applications include:

Drone training
Engineering education
University UAV projects
DIY quadcopters
Robotics projects
Flight-control development
Prototype UAV platforms
Small aerial photography platforms
Multirotor research

The broader Air Gear 450 II system documentation also emphasizes durability and crash resistance, making the platform suitable for learning and repeated development work.

Installation Tips for the AIR2216 II

Match the Motor and Propeller Correctly

The recommended T1045 propeller should be used as the starting point for the AIR2216 II KV920.

Changing propeller diameter or pitch can significantly change current consumption.

Use the Correct Battery

The recommended motor platform is 4S LiPo / 16 V. Do not assume that a higher-voltage battery is automatically compatible simply because it can physically connect to the ESC.

Select the Correct ESC

The AIR 20A ESC is the recommended pairing. The ESC should be capable of handling the expected current under the actual propeller and battery configuration.

Secure the Propeller

The manufacturer recommends using appropriate thread-locking compound and securely tightening the propeller installation to reduce the risk of loosening during operation.

Check Motor Direction

Before flight, verify that every motor rotates in the correct direction and that every propeller is installed in the correct orientation.

Inspect Wiring

The Air Gear 450 II documentation notes that motor extension wires can be cut for cleaner wiring. If doing so, ensure that connections are properly soldered, insulated, mechanically secured, and protected from vibration.

Why Choose a 920KV Motor for a 4S Drone?

The combination of 920KV and 4S is a practical configuration for many medium-sized hobby multirotors.

A higher-KV motor tends to favor higher unloaded RPM at a given voltage, while a lower-KV motor is generally associated with lower RPM and the use of larger propellers in appropriate applications.

The AIR2216 II's 920KV specification is specifically matched by T-Motor to a 4S platform and a 10×4.5 propeller.

This makes the system relatively straightforward to configure without requiring a complicated high-voltage battery architecture.

AIR2216 II vs. Building a Propulsion System From Individual Parts

One advantage of using the AIR2216 II as part of the Air Gear 450 II ecosystem is component compatibility.

A complete propulsion system requires several decisions:

Motor KV
Battery voltage
Propeller diameter
Propeller pitch
ESC current rating
Aircraft weight
Hover throttle
Required thrust reserve

Selecting each component independently can lead to mismatches.

The Air Gear 450 II approach instead provides a tested combination of:

AIR2216 II KV920 + AIR 20A ESC + T1045 propeller + 4S battery

This can significantly simplify the propulsion selection process for educational and DIY drone builders.

Who Should Consider the T-Motor AIR2216 II KV920?

The AIR2216 II is especially suitable for users who need a lightweight 4S multirotor motor with a tested 10-inch propeller combination.

It is a good candidate for:

450-class quadcopters
Lightweight DIY UAVs
Educational drones
Training platforms
University UAV projects
Experimental multirotors
Small aerial photography platforms
Hobby RC drones
Quadcopters, hexacopters, and octocopters within the recommended weight range

It may not be the right choice for very large industrial drones, heavy-lift UAVs, or aircraft requiring extremely high-voltage propulsion.

Frequently Asked Questions

What KV is the T-Motor AIR2216 II?

The AIR2216 II version covered here has a 920KV rating.

What battery does the AIR2216 II use?

The manufacturer's recommended voltage is 4S LiPo, approximately 16 V under the specified rating.

How much does the AIR2216 II weigh?

The motor weighs approximately 64 ± 2 g including the cable.

What propeller is recommended?

The recommended propeller is the T1045, measuring 10×4.5 inches and made from nylon reinforced with fiberglass.

How much thrust can the AIR2216 II produce?

With the T1045 propeller at 16 V, the published bench test recorded a maximum of approximately 1,332 g of thrust at 100% throttle.

What ESC should I use?

The recommended ESC is the AIR 20A, which supports 3–4S LiPo and provides 20A continuous current capability.

What is the recommended quadcopter weight?

For a four-motor configuration, the manufacturer recommends approximately 1.8–2.2 kg maximum takeoff weight.

Can the AIR2216 II be used on a hexacopter?

Yes. The manufacturer's matching information lists approximately 2.7–3.3 kg MTOW for a six-motor configuration.

Can it be used on an octocopter?

Yes. For a non-coaxial eight-motor configuration, the listed MTOW range is approximately 3.6–4.4 kg.

Is the AIR2216 II suitable for beginners?

Yes, particularly as part of a properly matched Air Gear 450 II system. Its combination of a 4S battery, 920KV motor, AIR 20A ESC, and T1045 propeller provides a relatively straightforward starting point for educational and DIY multirotor projects.

Final Verdict: Is the T-Motor AIR2216 II KV920 a Good Drone Motor?

The T-Motor AIR2216 II KV920 is a compact and lightweight brushless motor designed around a practical 4S multirotor propulsion architecture.

Its key strengths are its 920KV configuration, 64 ± 2 g weight, 4S compatibility, 17A published maximum current, 272W 180-second maximum power rating, and strong tested thrust when paired with the T1045 propeller.

For a properly designed 450-class drone, the motor offers a useful balance between propulsion performance and weight. The manufacturer's recommended aircraft weight ranges also make it suitable for quadcopter, hexacopter, and non-coaxial octocopter configurations.

The most important point is that the AIR2216 II should be treated as part of a matched propulsion system, rather than evaluated only by its maximum thrust figure. Using the recommended 4S battery, AIR 20A ESC, and T1045 propeller allows builders to take advantage of the manufacturer's published performance data and create a more predictable aircraft.

For drone enthusiasts, educators, DIY builders, and UAV developers searching for a 920KV 4S brushless motor for a 450-class multirotor, the T-Motor AIR2216 II KV920 is a practical propulsion option that combines compact weight, useful thrust, and straightforward system integration.