5-inch FPV freestyle motor
FlyFish Sword 2207
FlyFishRC’s budget 5-inch motor for freestyle and racing: 2207 stator, NMB bearings and N52SH magnets, 34.4 g with leads, and 1,909 g of pull per motor on FlyFishRC’s 6S bench (1850KV, HQ 5.5 × 3.5 × 3 V2).
- 5-inch freestyle and racing
- 6S
- 5 to 5.5-inch props
The spin is an illustration: the model turns at 1/600 of the no-load speed, and it is a generic 2207 motor drawn from FlyFish’s published sizes, not its exact design. Thrust, current and power are FlyFish’s bench figures for the HQ 5.5 × 3.5 × 3 V2 prop at 25.2 V, read straight across between its throttle steps. Its data starts at 50% throttle.
- Max thrust
- 1,909 g
- HQ 5.5 × 3.5 × 3 V2 prop, 25.2 V
- Weight
- 34.4 g
- with 150 mm leads, the same for all three KVs on the spec sheet; the product page gives 38 g with short wire
- Peak current
- 41.5 A
- full throttle
- Max power
- 967 W
- full throttle
from $14.90a motor at FlyFishRC
A set of four: $59.60
Price seen Oct 19, 2026. Plain links: we earn nothing from them.
What it pulls
FlyFish’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 5.5 × 3.5 × 3 V2: 962 g of thrust, 14.3 A, 340 W, 2.82 g per watt.
On your quad
11.7 : 1
Thrust to weight at full throttle: four motors pull 7,636 g with the HQ 5.5 × 3.5 × 3 V2 at 25.2 V.
At 60% throttle they pull 3,846 g, 5.9 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 $14.90
1.9 kg on 6S
On FlyFishRC’s 6S bench the 1950KV pulled 1,916.5 g at full throttle on an HQ 5.5 × 3.5 × 3 V2, drawing 44.04 A; the 1850KV pulled 1,908.9 g on the same prop at 41.5 A.
Source: FlyFishRC spec sheet
Budget line
FlyFishRC says larger production runs and refined machining let it sell the Sword for less, in three KVs for freestyle and racing.
Source: FlyFishRC product page
NMB bearings, N52SH magnets
NMB bearings, N52SH magnets, a steel shaft, and copper wire rated to 220 °C.
Source: FlyFishRC product page
Braced lead exit
A thickened base with braces that protect the wire outlet, and a non-slip prop seat.
Source: FlyFishRC product page
What to pair it with
Our reading of FlyFish’s numbers, so your build matches what the motor was tested with.
- ESC
- FlyFishRC gives 10-second peaks of 41.68 A (1850KV), 44.04 A (1950KV) and 43.55 A (2050KV) on 6S. A 45 A ESC covers all three. (FlyFishRC spec sheet)
- Props
- 5 to 5.5-inch props. On FlyFishRC’s 6S bench the 1850KV and 1950KV pulled most on an HQ 5.5 × 3.5 × 3 V2 (1,908.9 g and 1,916.5 g) and less on an HQ S5; the 2050KV pulled about 1,732 g on both an HQ 51466 and an HQ R36. (FlyFishRC spec sheet)
- Battery
- 6S for all three versions. (FlyFishRC product page)
- Frame
- Four M3 holes on a 16 mm circle (16 × 16 mm) and 150 mm 20 AWG leads. (FlyFishRC product page, FlyFishRC spec sheet)
Where to buy
- FlyFishRCthe maker’s store; same price for every KV$14.90seen Oct 19, 2026Visit
Plain links, not affiliate links. Prices change; the store’s page has the current one.
Full specs
| Spec | Value | Source |
|---|---|---|
| KV | 1,850 rpm/V (also 1950KV and 2050KV) | FlyFishRC product page |
| Stator | 22 × 7 mm (2207) | FlyFishRC product page |
| Configuration | 12N14P (12 stator slots, 14 magnet poles) | FlyFishRC product page, FlyFishRC spec sheet |
| Battery | 6S LiPo (FlyFishRC tests all three versions at 25.2 V) | FlyFishRC product page |
| Weight | 34.4 g (with 150 mm leads, the same for all three KVs on the spec sheet; the product page gives 38 g with short wire) | FlyFishRC spec sheet |
| Dimensions | φ26.9 × 32.4 mm (with shaft); the shaft stands 13.5 mm above the bell | FlyFishRC product page, FlyFishRC spec sheet |
| Shaft | 5 mm steel, M5 thread, protrudes 13.5 mm (the spec sheet gives 5 mm (outer); the product page’s spec list says 4 mm) | FlyFishRC product page, FlyFishRC spec sheet |
| Mounting | 4 × M3 holes on a 16 mm circle (16 × 16 mm) | FlyFishRC product page, FlyFishRC spec sheet |
| Magnets | N52SH | FlyFishRC product page |
| Bearings | NMB | FlyFishRC product page |
| Winding | Copper wire rated to 220 °C | FlyFishRC product page |
| Peak current | 41.68 A (over 10 s on 6S; 1950KV 44.04 A, 2050KV 43.55 A) | FlyFishRC spec sheet |
| Max power | 974.1 W (over 10 s on 6S; 1950KV 1029.24 W, 2050KV 1015.61 W) | FlyFishRC spec sheet |
| Leads | 20 AWG, 150 mm | FlyFishRC product page, FlyFishRC spec sheet |
| In the box | The motor and a hardware set | FlyFishRC product page |
Bench data
Redrawn from FlyFish’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.
1850KV on 6S, 25.2 V2 props
| Prop | Throttle | Voltage (V) | Current (A) | Thrust (g) | RPM | Power (W) | Efficiency (g/W) |
|---|---|---|---|---|---|---|---|
| HQ 5.5 × 3.5 × 3 V2 | 50% | 23.93 | 9.13 | 726.3 | 18969 | 218.5 | 3.32 |
| 60% | 23.84 | 14.28 | 961.6 | 21924 | 340.4 | 2.82 | |
| 70% | 23.71 | 20.08 | 1,204.9 | 24511 | 476.1 | 2.53 | |
| 80% | 23.64 | 25.8 | 1,436 | 26522 | 609.9 | 2.35 | |
| 90% | 23.5 | 33.2 | 1,688.2 | 28239 | 780.2 | 2.16 | |
| 100% | 23.31 | 41.5 | 1,908.9 | 29608 | 967.4 | 1.97 | |
| HQ S5 | 50% | 23.93 | 9.4 | 671 | 18928 | 224.9 | 2.98 |
| 60% | 23.87 | 14.83 | 901.2 | 21815 | 354 | 2.55 | |
| 90% | 23.49 | 33.85 | 1,567.2 | 28148 | 795.1 | 1.97 | |
| 100% | 23.37 | 41.68 | 1,755.6 | 29579 | 974.1 | 1.8 |
Source: FlyFishRC spec sheet
1950KV on 6S, 25.2 V2 props
| Prop | Throttle | Voltage (V) | Current (A) | Thrust (g) | Power (W) | Efficiency (g/W) |
|---|---|---|---|---|---|---|
| HQ 5.5 × 3.5 × 3 V2 | 70% | 23.76 | 22.3 | 1,276 | 529.8 | 2.41 |
| 80% | 23.68 | 28.7 | 1,507.1 | 679.6 | 2.22 | |
| 90% | 23.5 | 36.11 | 1,726.7 | 848.6 | 2.03 | |
| 100% | 23.37 | 44.04 | 1,916.5 | 1029.2 | 1.86 | |
| HQ S5 | 50% | 23.95 | 10.65 | 723.59 | 255.1 | 2.84 |
| 60% | 23.87 | 16.84 | 982.26 | 402 | 2.44 | |
| 70% | 23.75 | 23.1 | 1,205.33 | 548.6 | 2.2 | |
| 80% | 23.59 | 29.31 | 1,385.06 | 691.4 | 2 | |
| 90% | 23.58 | 36.59 | 1,594.67 | 862.8 | 1.85 | |
| 100% | 23.41 | 43.86 | 1,745.32 | 1026.8 | 1.7 |
Source: FlyFishRC spec sheet
2050KV on 6S, 25.2 V2 props
| Prop | Throttle | Voltage (V) | Current (A) | Thrust (g) | RPM | Power (W) | Efficiency (g/W) |
|---|---|---|---|---|---|---|---|
| HQ 51466 | 70% | 23.71 | 21.61 | 1,182.5 | 26362 | 512.4 | 2.31 |
| 80% | 23.6 | 27.88 | 1,389.6 | 28423 | 658 | 2.11 | |
| 90% | 23.46 | 35.58 | 1,590.8 | 30724 | 834.7 | 1.91 | |
| 100% | 23.32 | 43.55 | 1,732.8 | 32559 | 1015.6 | 1.71 | |
| HQ R36 | 50% | 23.96 | 10.09 | 698.19 | 21026 | 241.8 | 2.89 |
| 60% | 23.82 | 15.45 | 935.95 | 24105 | 368 | 2.54 | |
| 70% | 23.73 | 21.38 | 1,171.98 | 26684 | 507.3 | 2.31 | |
| 80% | 23.69 | 26.89 | 1,365.27 | 28704 | 637 | 2.14 | |
| 90% | 23.55 | 34.83 | 1,563.05 | 31388 | 820.2 | 1.91 | |
| 100% | 23.43 | 41.46 | 1,732.37 | 33179 | 971.4 | 1.78 |
Source: FlyFishRC spec sheet
Inside the motor
A brushless outrunner: the coils stand still in the middle and the magnets spin around them. From the top down:
- Shaft. Steel, 5 mm with an M5 thread, standing 13.5 mm above the bell. (FlyFishRC product page, FlyFishRC spec sheet)
- Magnets. N52SH. (FlyFishRC product page)
- Stator. 22 × 7 mm with 12 slots, wound with copper wire rated to 220 °C. (FlyFishRC product page)
- Bearings. NMB. (FlyFishRC product page)
- Base. Thickened, with braces protecting the lead exit, and four M3 holes on a 16 mm circle. (FlyFishRC product page, FlyFishRC spec sheet)
How fast it spins
KV is the motor’s no-load speed per volt. With nothing on the shaft, the 1850KV 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 | 27,380 | 3,194 Hz | 19,166 |
| 4S full | 16.8 | 31,080 | 3,626 Hz | 21,756 |
| 6S nominal | 22.2 | 41,070 | 4,792 Hz | 28,749 |
| 6S full | 25.2 | 46,620 | 5,439 Hz | 32,634 |
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 FlyFish’s published sizes: the 22 × 7 mm stator, 26.9 mm bell, 18.9 mm height, 5 mm shaft, 16 mm mounting circle and 12 teeth and 14 magnets. Anything FlyFish 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
- FlyFishRC: Sword 2207 6S FPV Motor (product page). Retrieved Oct 19, 2026.
- FlyFishRC: Sword 2207 Motor (Black) spec sheet: spec table, dimension drawing and test report for all three KVs (image on the product page). The spec table gives 25.2 V; the measured voltage in the test report runs from about 23.96 V at half throttle to 23.31 V at full. Six rows that are evident misprints are left out, and so is the rpm column of the 1950KV tables (see the notes).. Retrieved Oct 19, 2026.
- FlyFishRC: Flash 2004 Motor (Black) spec sheet, whose 2900KV HQ T5020 rpm column carries the same six figures as the Sword’s 1950KV HQ S5 table (image on FlyFishRC’s Flash 2004 page). Retrieved Oct 19, 2026.