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KDE Direct KDE2306XF 2550KV
professional fpv brushless motor. Specs read from manufacturer page ↗.
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Specifications
| Brand | KDE Direct |
|---|---|
| Model | KDE2306XF |
| Variant | 2550KV |
| KV | 2,550 |
| Stator | 2306 |
| Weight | 45 g |
| Max thrust | 1,460 g |
| Test propeller | 6x4.5HQ |
| Test cells | 4S |
| Max current | 34.0 A |
| No-load current | 1.20 A |
| Winding resistance | 0.044 Ω |
| Poles | 12 |
| Body height | 18.0 mm |
| Max RPM | 37,740 |
| Grade | professional |
| Application | fpv |
| Data confidence | reported |
| Thrust basis | measured |
| Efficiency basis | none |
| Measured test points | 1 |
Where to buy
| Vendor | Price | As listed | Stock | Lead days | |
|---|---|---|---|---|---|
| KDE Direct US | A$41.60 | USD 28.95 | in stock | 16 | buy ↗ |
| KDE Direct US | A$41.60 | USD 28.95 | backorder | 46 | 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 |
|---|---|---|---|---|
| 6x4.5HQ | 4 | 1,460 | — | measured |
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.
measured This propeller size appears in this motor’s own thrust-test table.
| Accessory | Type | From |
|---|---|---|
| HQProp 6x4.5 3-blade propeller | propeller | A$6.95 |
| HQProp 6x4.5 2-blade propeller | propeller | A$7.95 |
| Gemfan 6x4.5 3-blade propeller | propeller | A$2.39 |
stated The accessory listing names this component by size.
| Accessory | Type | From |
|---|---|---|
| Gemfan 5.1x4.4 3-blade propeller | propeller | A$1.79 |
| iFlight 2.3x0.6 propeller | propeller | A$28.59 |
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 |
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 →