Drone Motors

8- to 10-inch FPV motor

BrotherHobby Avenger 2810 V5

A 9-inch motor for 6S that comes with folding props: 28 × 10 mm stator, 69 g with leads, and 3,367 g of pull on BrotherHobby’s bench with its 9-inch folding tri-blade.

  • 9-inch builds on folding props
  • 6S
  • Folding 9-inch tri-blade props
Drawing the 3D model…

The spin is an illustration: the model turns at 1/600 of the no-load speed, and it is a generic 2810 motor drawn from BrotherHobby’s published sizes, not its exact design. Thrust, current and power are BrotherHobby’s bench figures for the Folding 9453F prop at 25.2 V, read straight across between its throttle steps. Its data starts at 30% throttle.

Max thrust
3,367 g
Folding 9453F prop, 25.2 V
Weight
69 g
with 25 cm leads
Peak current
46.4 A
full throttle
Max power
1,169 W
full throttle

from $29.99a motor at BrotherHobby

A set of four: $119.96

Price seen Oct 19, 2026. Plain links: we earn nothing from them.

What it pulls

BrotherHobby’s own bench test, one line per prop. Drag across the chart to move the throttle; the model above follows.

01,0002,0003,0004,00030%40%50%60%70%80%90%100%gthrottle3,367 gFolding 9453F

At 60% with the Folding 9453F: 1,858 g of thrust, 17.9 A, 451 W, 4.12 g per watt.

On your quad

20.7 : 1

Thrust to weight at full throttle: four motors pull 13,468 g with the Folding 9453F at 25.2 V.

At 60% throttle they pull 7,432 g, 11.4 times the quad’s weight.

All-up weight is the quad ready to fly, with its battery and camera. The thrust is the maker’s static bench figure; in the air it is lower.

What you get for $29.99

What to pair it with

Our reading of BrotherHobby’s numbers, so your build matches what the motor was tested with.

ESC
BrotherHobby lists a 6S 50 A ESC; the motor drew 46.4 A at full throttle on its 9-inch folding test prop. (BrotherHobby test report, BrotherHobby summary)
Props
Tested with BrotherHobby’s folding 9453F tri-blade (3,367 g at full throttle), which sweeps about 245 mm and fits the 23 mm hole pattern in the bell’s top. (BrotherHobby test report, BrotherHobby folding props)
Battery
6S, in the spec list and the test report. (BrotherHobby product page, BrotherHobby test report)
Frame
Four M3 holes on a 19 mm circle (19 × 19 mm). (BrotherHobby product page, BrotherHobby drawing)

Where to buy

  • BrotherHobbythe maker’s store; $29.99, down from $36.99, with three-blade or two-blade folding props (only the three-blade set was in stock)
    $29.99seen Oct 19, 2026
    Visit

Plain links, not affiliate links. Prices change; the store’s page has the current one.

Full specs

SpecValueSource
KV910 rpm/V (the only version)BrotherHobby product page, BrotherHobby test report
Stator28 × 10 mm (2810); non-oriented silicon-steel laminationsBrotherHobby test report, BrotherHobby exploded view
Configuration12N14P (12 stator slots, 14 magnet poles)BrotherHobby product page, BrotherHobby test report
Battery6S LiPoBrotherHobby product page, BrotherHobby test report
Weight69 g (with 25 cm leads)BrotherHobby product page, BrotherHobby test report
Dimensionsφ33.3 × 40 mm (with shaft); the shaft stands 16 mm above the bellBrotherHobby drawing, BrotherHobby test report
ShaftSUS420 heat-treated steel, M5 thread (11 mm of thread)BrotherHobby product page, BrotherHobby exploded view, BrotherHobby drawing
Mounting4 × M3 holes on a 19 mm circle (19 × 19 mm); the top has M3 holes on a 23 mm circle for BrotherHobby’s folding propsBrotherHobby product page, BrotherHobby drawing
Bell7075 aluminium bell cap and base casing, hard anodisedBrotherHobby product page, BrotherHobby exploded view
MagnetsN52H arc magnetsBrotherHobby product page, BrotherHobby exploded view
Bearings12 × 6 × 4 mm (BrotherHobby names no bearing maker for the V5)BrotherHobby product page
WindingTU1-grade enamelled wireBrotherHobby exploded view
Internal resistance89 mΩBrotherHobby test report
Idle current0.82 A (given as 0.82 A at 10 V in a row headed 14 V)BrotherHobby test report
Max current46.4 A (full throttle on a folding 9453F tri-blade at 25.2 V)BrotherHobby test report, BrotherHobby summary
Max power1,169.28 WBrotherHobby test report, BrotherHobby summary
Leads18 AWG, 250 mmBrotherHobby product page, BrotherHobby test report
In the boxA set of folding props with their adapter, flange nut, pins, spacers and four screws: three blades and a spring with the three-blade set, two blades with the two-blade setBrotherHobby packing list (three-blade), BrotherHobby packing list (two-blade), BrotherHobby product page

Bench data

Redrawn from BrotherHobby’s test reports. Thrust is static pull on a bench, more than you get in flight. Power is volts × amps; efficiency is thrust divided by power.

910KV on 6S, 25.2 V1 prop

PropThrottleVoltage (V)Current (A)RPMThrust (g)Power (W)Efficiency (g/W)
Folding 9453F (9-inch folding, three blades)motor at 106 °C30%25.23.6616765290.727.19
40%25.27.278061,037181.445.72
50%25.212.493231,440312.484.61
60%25.217.9104211,858451.084.12
70%25.225.3114062,250637.563.53
80%25.233.5126622,735844.23.24
90%25.237.7131752,926.12950.043.08
100%25.246.4139333,3671169.282.88

Source: BrotherHobby test report

Inside the motor

A brushless outrunner: the coils stand still in the middle and the magnets spin around them. From the top down:

How fast it spins

KV is the motor’s no-load speed per volt. With nothing on the shaft, the 910KV version reaches about these speeds; a prop loads the motor and brings it down, typically to around 70–75% of these figures at full throttle.

BatteryVoltsNo-load rpm (KV × V)Electrical frequencyESC steps per second
4S nominal14.813,4681,571 Hz9,428
4S full16.815,2881,784 Hz10,702
6S nominal22.220,2022,357 Hz14,141
6S full25.222,9322,675 Hz16,052

A 14-pole rotor has 7 pole pairs, so every turn of the shaft is 7 electrical cycles, and a six-step ESC switches the phases 42 times per turn.

About the 3D model

A generic outrunner drawn from BrotherHobby’s published sizes: the 28 × 10 mm stator, 33.3 mm bell, 24 mm height, 5 mm shaft, 19 mm mounting circle and 12 teeth and 14 magnets. Anything BrotherHobby doesn’t publish is typical for a motor this size, and the bell’s spoked top, the base and the inside are a generic design, not this motor’s. The colours are read off the maker’s product photos. There are no logos or markings: it is our drawing, not the maker’s.

Sources

  1. BrotherHobby: Avenger 2810 V5 910KV Motor(CW) (product page on BrotherHobby’s store, with its spec list, photos and Test Data tab). Retrieved Oct 19, 2026.
  2. BrotherHobby: Avenger 2810 V5 weight, maximum thrust and full-throttle summary with the ESC (image on the product page). Retrieved Oct 19, 2026.
  3. BrotherHobby: Avenger 2810 V5 exploded view, shaft, caps, magnets, wire, stator steel and bearings (image on the product page). Retrieved Oct 19, 2026.
  4. BrotherHobby: Avenger 2810 V5 dimension drawing (image on the product page). Retrieved Oct 19, 2026.
  5. BrotherHobby: folding tri-blade props with a 23 mm hole pitch and their swept diameters (image on the product page). Retrieved Oct 19, 2026.
  6. BrotherHobby: Avenger 2810 V5 packing list with the three-blade folding props (image on the product page). Retrieved Oct 19, 2026.
  7. BrotherHobby: Avenger 2810 V5-910KV test report, 2022 bench, folding 9453F tri-blade at 25.2 V, with drawing and spec table (image on the Test Data tab). The copper temperature is after two minutes at full throttle.. Retrieved Oct 19, 2026.
  8. BrotherHobby: Avenger 2810 V5 packing list with the two-blade folding props, and how to order either set (image on the product page). Retrieved Oct 19, 2026.