7- to 8-inch long-range FPV motor
BrotherHobby Avenger 2510
A motor for 7- to 8-inch props: 25 × 10 mm stator, about 55 g with leads, and up to 2,717 g of pull per motor on BrotherHobby’s bench (930KV on an 8-inch tri-blade at 28 V).
- 7- to 8-inch long range
- 5S (1380KV), 6S (1030KV) or 7S (930KV)
- 7- and 8-inch tri-blade props
The spin is an illustration: the model turns at 1/600 of the no-load speed, and it is a generic 2510 motor drawn from BrotherHobby’s published sizes, not its exact design. Thrust, current and power are BrotherHobby’s bench figures for the HQ 7 × 4 × 3 prop at 20 V, read straight across between its throttle steps. Its data starts at 30% throttle.
- Max thrust
- 2,178 g
- HQ 7 × 4 × 3 prop, 20 V
- Weight
- 54.25 g
- with 250 mm leads; 930KV 55.32 g, 1030KV 55.62 g; the spec list gives 55 g with 25 cm wires
- Peak current
- 43.7 A
- full throttle
- Max power
- 865 W
- full throttle
from $24.99a motor at BrotherHobby
A set of four: $99.96
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.
At 60% with the HQ 7 × 4 × 3: 865 g of thrust, 10.9 A, 218 W, 3.97 g per watt.
On your quad
13.4 : 1
Thrust to weight at full throttle: four motors pull 8,712 g with the HQ 7 × 4 × 3 at 20 V.
At 60% throttle they pull 3,460 g, 5.3 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 $24.99
2.7 kg on an 8-inch prop
On BrotherHobby’s bench the 930KV pulled 2,717 g at full throttle on an HQ 8 × 4.5 × 3 at 27.7 V, drawing 44.0 A; the 1030KV pulled 2,595 g on the same prop at 23.8 V.
Source: BrotherHobby 930KV test report, BrotherHobby 1030KV test report
2.2 kg on a 7-inch prop
The 1380KV pulled 2,178 g on an HQ 7 × 4 × 3 at 19.8 V, drawing 43.7 A.
Source: BrotherHobby 1380KV test report
Hollow titanium shaft
A hollow titanium-alloy shaft with an M5 thread, NMB 9 × 4 × 4 mm bearings and N52H arc magnets.
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 45 A ESC for each tested KV: 7S for the 930KV, 6S for the 1030KV and 5S for the 1380KV; their full-throttle peaks were 44.0 A, 45.0 A and 43.7 A. (BrotherHobby 930KV test report, BrotherHobby 1030KV test report, BrotherHobby 1380KV test report)
- Props
- BrotherHobby tested the 930KV and 1030KV on an HQ 8 × 4.5 × 3 tri-blade (2,717 g and 2,595 g at full throttle) and the 1380KV on an HQ 7 × 4 × 3 (2,178 g). (BrotherHobby 930KV test report, BrotherHobby 1030KV test report, BrotherHobby 1380KV test report)
- Battery
- 7S for the 930KV, 6S for the 1030KV and 5S for the 1380KV in BrotherHobby’s tests; the spec list gives 5S–7S. There is no bench data for the 1250KV. (BrotherHobby product page, BrotherHobby 930KV test report, BrotherHobby 1030KV test report, BrotherHobby 1380KV test report)
- Frame
- Four M3 holes on a 16 mm circle (16 × 16 mm), the 5-inch pattern. (BrotherHobby product page, BrotherHobby drawing)
Where to buy
- BrotherHobbythe maker’s store; $24.99, down from $26.99, for the 1250KV or 1380KV$24.99seen Oct 19, 2026Visit
Plain links, not affiliate links. Prices change; the store’s page has the current one.
Full specs
| Spec | Value | Source |
|---|---|---|
| KV | 1,380 rpm/V (also 930KV, 1030KV and 1250KV) | BrotherHobby product page, BrotherHobby 1380KV test report |
| Stator | 25 × 10 mm (2510); 0.15 mm Nippon Steel silicon-steel laminations | BrotherHobby 1380KV test report, BrotherHobby product page |
| Configuration | 12N14P (12 stator slots, 14 magnet poles) | BrotherHobby product page |
| Battery | 5S–7S LiPo (BrotherHobby tests the 930KV on 7S, the 1030KV on 6S and the 1380KV on 5S) | BrotherHobby product page |
| Weight | 54.25 g (with 250 mm leads; 930KV 55.32 g, 1030KV 55.62 g; the spec list gives 55 g with 25 cm wires) | BrotherHobby 1380KV test report |
| Dimensions | φ30.3 × 36.5 mm (with shaft); the shaft stands 14 mm above the bell | BrotherHobby drawing, BrotherHobby 1380KV test report |
| Shaft | Hollow titanium alloy, 5 mm, M5 thread (8 mm of thread) | BrotherHobby product page, BrotherHobby drawing |
| Mounting | 4 × M3 holes on a 16 mm circle (16 × 16 mm) | BrotherHobby product page, BrotherHobby drawing |
| Bell | 7075 aluminium bell cap and base casing | BrotherHobby product page |
| Magnets | N52H arc magnets | BrotherHobby product page, BrotherHobby 930KV test report |
| Bearings | NMB (Japan), 9 × 4 × 4 mm | BrotherHobby product page |
| Internal resistance | 69.53 mΩ (930KV 117.14 mΩ, 1030KV 93.38 mΩ) | BrotherHobby 1380KV test report |
| Idle current | 0.95 A (at 10 V; 930KV 0.50 A, 1030KV 0.55 A) | BrotherHobby 1380KV test report |
| Max current | 43.7 A (full throttle on an HQ 7 × 4 × 3 at 19.8 V; 930KV 44.0 A on an HQ 8 × 4.5 × 3 at 27.7 V; 1030KV 45.0 A on the same 8-inch prop at 23.8 V) | BrotherHobby 1380KV test report |
| Max power | 865.26 W (930KV 1218.80 W, 1030KV 1071.00 W) | BrotherHobby 1380KV test report |
| Leads | 18 AWG, 250 mm | BrotherHobby product page, BrotherHobby 1380KV test report |
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.
930KV on 7S, 28 V1 prop
| Prop | Throttle | Voltage (V) | Current (A) | RPM | Thrust (g) | Power (W) | Efficiency (g/W) |
|---|---|---|---|---|---|---|---|
| HQ 8 × 4.5 × 3 (8-inch, three blades)motor at 138.2 °C | 30% | 28 | 2 | 6242 | 372 | 56 | 6.64 |
| 40% | 28 | 4.2 | 8032 | 647 | 117.6 | 5.5 | |
| 50% | 28 | 7.3 | 9566 | 912 | 204.4 | 4.46 | |
| 60% | 28 | 12.1 | 11192 | 1,224 | 338.8 | 3.61 | |
| 70% | 27.9 | 17.7 | 12442 | 1,592 | 493.83 | 3.22 | |
| 90% | 27.8 | 36.9 | 14807 | 2,615 | 1025.82 | 2.55 | |
| 100% | 27.7 | 44 | 15535 | 2,717 | 1218.8 | 2.23 |
Source: BrotherHobby 930KV test report
1030KV on 6S, 24 V1 prop
| Prop | Throttle | Voltage (V) | Current (A) | RPM | Thrust (g) | Power (W) | Efficiency (g/W) |
|---|---|---|---|---|---|---|---|
| HQ 8 × 4.5 × 3 (8-inch, three blades)motor at 113.6 °C | 30% | 24 | 2.2 | 6146 | 359 | 52.8 | 6.8 |
| 40% | 24 | 4.4 | 7737 | 611 | 105.6 | 5.79 | |
| 50% | 24 | 7.4 | 9181 | 868 | 177.6 | 4.89 | |
| 60% | 24 | 12.7 | 10792 | 1,199 | 304.8 | 3.93 | |
| 70% | 24 | 19.2 | 12262 | 1,568 | 460.8 | 3.4 | |
| 80% | 23.9 | 27.1 | 13446 | 1,930 | 647.69 | 2.98 | |
| 90% | 23.8 | 36.8 | 14514 | 2,220 | 875.84 | 2.53 | |
| 100% | 23.8 | 45 | 15195 | 2,595 | 1071 | 2.42 |
Source: BrotherHobby 1030KV test report
1380KV on 5S, 20 V1 prop
| Prop | Throttle | Voltage (V) | Current (A) | RPM | Thrust (g) | Power (W) | Efficiency (g/W) |
|---|---|---|---|---|---|---|---|
| HQ 7 × 4 × 3 (7-inch, three blades)motor at 108.8 °C | 30% | 20 | 2.8 | 7681 | 315 | 56 | 5.63 |
| 40% | 20 | 4.5 | 9128 | 507 | 90 | 5.63 | |
| 50% | 20 | 8.1 | 11195 | 708 | 162 | 4.37 | |
| 60% | 20 | 10.9 | 12590 | 865 | 218 | 3.97 | |
| 70% | 19.9 | 17.5 | 14345 | 1,152 | 348.25 | 3.31 | |
| 80% | 19.9 | 25.7 | 15991 | 1,500 | 511.43 | 2.93 | |
| 90% | 19.8 | 34.9 | 16550 | 1,942 | 691.02 | 2.81 | |
| 100% | 19.8 | 43.7 | 18820 | 2,178 | 865.26 | 2.52 |
Source: BrotherHobby 1380KV 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:
- Bell. 7075 aluminium bell cap, φ30.3 mm and 16.9 mm tall, with five spokes round a textured hub. (BrotherHobby product page, BrotherHobby 930KV test report, BrotherHobby drawing)
- Shaft. Hollow titanium alloy, 5 mm with an M5 thread, standing 14 mm above the bell. (BrotherHobby product page, BrotherHobby drawing)
- Magnets. N52H arc magnets, 14 poles. (BrotherHobby product page)
- Stator. 25 × 10 mm with 12 slots, in 0.15 mm Nippon Steel silicon steel. (BrotherHobby product page, BrotherHobby 1380KV test report)
- Bearings. NMB, 9 × 4 × 4 mm. (BrotherHobby product page)
- Base. 7075 aluminium, 3 mm thick, with four M3 holes on a 16 mm circle and 18 AWG leads 250 mm long. (BrotherHobby product page, BrotherHobby 930KV test report, BrotherHobby drawing)
How fast it spins
KV is the motor’s no-load speed per volt. With nothing on the shaft, the 1380KV 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.
| Battery | Volts | No-load rpm (KV × V) | Electrical frequency | ESC steps per second |
|---|---|---|---|---|
| 4S nominal | 14.8 | 20,424 | 2,383 Hz | 14,297 |
| 4S full | 16.8 | 23,184 | 2,705 Hz | 16,229 |
| 6S nominal | 22.2 | 30,636 | 3,574 Hz | 21,445 |
| 6S full | 25.2 | 34,776 | 4,057 Hz | 24,343 |
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 25 × 10 mm stator, 30.3 mm bell, 22.5 mm height, 5 mm shaft, 16 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
- BrotherHobby: Avenger 2510 Motor (product page on BrotherHobby’s store, with its spec list, photos and Tech Specs tab). Its text spec list gives 930KV, 1250KV and 1380KV; its KV selector offers 1250KV and 1380KV.. Retrieved Oct 19, 2026.
- BrotherHobby: Avenger 2510 spec list and outline drawings (image on the product page). It gives 930KV, 1030KV and 1380KV.. Retrieved Oct 19, 2026.
- BrotherHobby: Avenger 2510 930KV test report, 2017 bench, HQ 8 × 4.5 × 3 at 28 V, with drawing and spec table (image on the Tech Specs tab). The copper temperature is after one minute at full throttle.. Retrieved Oct 19, 2026.
- BrotherHobby: Avenger 2510 1030KV test report, 2017 bench, HQ 8 × 4.5 × 3 at 24 V, with drawing and spec table (image on the Tech Specs tab). The copper temperature is after one minute at full throttle.. Retrieved Oct 19, 2026.
- BrotherHobby: Avenger 2510 1380KV test report, 2017 bench, HQ 7 × 4 × 3 at 20 V, with drawing and spec table (image on the Tech Specs tab). The copper temperature is after one minute at full throttle.. Retrieved Oct 19, 2026.
- BrotherHobby: Avenger 2510 dimension drawing (image on its product page at brotherhobby.com, https://www.brotherhobby.com/avenger-2510-motor-p00170p1.html). Retrieved Oct 19, 2026.
