Tools // Component Selector // T-Motor
T-Motor AT2321 KV1250
professional fixed-wing brushless motor. Specs read from manufacturer page ↗.
advertised This thrust figure is the one the vendor advertises, read from their product copy. The throttle setting, propeller and cell count behind it are frequently unstated, so it is a guide rather than a measurement.
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Specifications
| Brand | T-Motor |
|---|---|
| Model | AT2321 |
| Variant | KV1250 |
| KV | 1,250 |
| Stator | 2321 |
| Weight | 93 g |
| Max thrust | 2,067 g |
| Max current | 30.0 A |
| Max power | 450 W |
| Peak power | 660 W |
| No-load current | 1.20 A |
| Winding resistance | 0.065 Ω |
| Poles | 12 |
| Max RPM | 12,786 |
| Hover efficiency | 4.37 g/W |
| Peak-throttle efficiency | 3.13 g/W |
| Grade | professional |
| Application | fixed-wing |
| Data confidence | reported |
| Thrust basis | reported |
| Efficiency basis | reported |
| Measured test points | 11 |
Measured thrust curve
Where to buy
| Vendor | Price | As listed | Stock | Lead days | |
|---|---|---|---|---|---|
| DrUAV CN | A$64.65 | USD 44.99 | backorder | 48 | buy ↗ |
| DrUAV CN | A$97.86 | USD 68.10 | backorder | 48 | buy ↗ |
Multi-pack listings are shown at their per-unit price so they stay comparable.
Thrust test points
| Propeller | Cells | Thrust g | g/W | Basis |
|---|---|---|---|---|
| unspecified | — | 2,067 | 3.13 | reported |
| unspecified | — | 1,958 | 3.24 | reported |
| unspecified | — | 1,687 | 3.58 | reported |
| unspecified | — | 1,603 | 3.67 | reported |
| unspecified | — | 1,398 | 3.88 | reported |
| unspecified | — | 1,278 | 3.97 | reported |
| unspecified | — | 1,196 | 4.09 | reported |
| unspecified | — | 1,100 | 4.21 | reported |
| unspecified | — | 1,017 | 4.37 | reported |
| unspecified | — | 905 | 4.58 | reported |
| unspecified | — | 794 | 4.74 | reported |
Compatible accessories
Parts this catalogue holds that fit this component, and the evidence behind each pairing. Fit is inferred from published specifications, not from having tried it. Confirm mounting and clearance before you buy.
rule of thumb The size conventionally run on a stator this big. Not a measurement -- check clearance and current draw before flying it.
| Accessory | Type | From |
|---|---|---|
| APC Propellers 6.3x4 propeller | propeller | A$5.98 |
| APC Propellers 6.5x3.7 propeller | propeller | A$5.98 |
| Magnum 6.1x2.28 propeller | propeller | A$5.98 |
| T-Hobby 6.1" 3-blade propeller | propeller | A$6.95 |
| Master Airscrew 6.5x4 propeller | propeller | A$6.98 |
| Azure Power 6.1x4.5 3-blade propeller | propeller | A$1.25 |
| Azure Power 6.1x4.5 propeller | propeller | A$2.87 |
| Hobbywing 6.2x1.5 propeller | propeller | A$29.33 |
| Hobbywing 6.4x2 propeller | propeller | A$2,010.40 |
| APC Propellers 6x4 propeller | propeller | A$1.68 |
| Gemfan 7x4 3-blade propeller | propeller | A$1.79 |
| HQProp 6x3 3-blade propeller | propeller | A$3.04 |
CAD model
No CAD model linked yet.
How the metrics are calculated
TWR is max thrust divided by motor weight, motor only, static, excluding propeller and ESC. EFTWR scales that by hover efficiency and RPM headroom, so it equals TWR for a motor at 8 g/W and 10,000 RPM. Full methodology and the whole catalogue →