Tools // Component Selector // SunnySky
SunnySky X6215 KV420
hobby uav brushless motor. Specs read from manufacturer page ↗.
Compare in selector Buy from SunnySky USA
Specifications
| Brand | SunnySky |
|---|---|
| Model | X6215 |
| Variant | KV420 |
| KV | 420 |
| Stator | 6215 |
| Weight | 445 g |
| Max thrust | 9,919 g |
| Max current | 115.0 A |
| Max power | 2,594 W |
| Peak power | 2,558 W |
| No-load current | 10.00 A |
| Winding resistance | 0.008 Ω |
| Max RPM | 7,674 |
| Hover efficiency | 5.15 g/W |
| Peak-throttle efficiency | 3.87 g/W |
| Grade | hobby |
| Application | uav |
| Data confidence | reported |
| Thrust basis | measured |
| Efficiency basis | measured |
| Measured test points | 10 |
Measured thrust curve
Where to buy
| Vendor | Price | As listed | Stock | Lead days | |
|---|---|---|---|---|---|
| SunnySky USA US | A$251.47 | USD 174.99 | in stock | 12 | 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 | — | 9,919 | 3.87 | measured |
| unspecified | — | 9,028 | 4.06 | measured |
| unspecified | — | 8,042 | 4.35 | measured |
| unspecified | — | 7,028 | 4.53 | measured |
| unspecified | — | 6,005 | 4.81 | measured |
| unspecified | — | 5,015 | 5.15 | measured |
| unspecified | — | 4,002 | 5.58 | measured |
| unspecified | — | 3,021 | 6.00 | measured |
| unspecified | — | 2,008 | 6.49 | measured |
| unspecified | — | 1,002 | 6.12 | 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.
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 |
|---|---|---|
| Eolo 36x12.8 propeller | propeller | A$143.69 |
| Eolo 36x11.5 propeller | propeller | A$143.69 |
| T-Motor 36.1" propeller | propeller | A$172.30 |
| SunnySky 36x11.5 propeller | propeller | A$216.01 |
| T-Motor 36.2x11.8 propeller | propeller | A$387.61 |
| Druav 36" propeller | propeller | A$503.75 |
| T-Motor 36x11.5 propeller | propeller | A$673.72 |
| KDE Direct 35.5" propeller | propeller | A$682.59 |
| T-Motor 34.5" propeller | propeller | A$157.93 |
| Xoar 34x12 propeller | propeller | A$99.00 |
| Xoar 34x10 propeller | propeller | A$159.00 |
| Rcworld Au 34x10 propeller | propeller | A$199.00 |
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 →