Product overview
The FlashHobby K2207.5 Brushless DC Motor is intended for applications using recommended 5–6 inch propellers. Its three-phase outrunner construction combines a 12N14P configuration, an NSK bearing and a 6082 aluminum bell. The motor occupies a 28.9 × 33.1mm envelope and weighs 36g including cables. Mechanical integration dimensions comprise a 22mm stator diameter, 7mm stator height, 3mm shaft and 16 × 16mm mounting screw pattern specified as M3 × 4. Its electrical connection uses 150mm of 20#AWG motor cable.
Selection includes 1900KV, 2500KV, 2750KV and custom KV options, with electrical specifications differing between the standard options. Control requires an ESC and PWM adjustment over 900–2100µs. The working temperature range is −0°C to +80°C. Maximum pull is configuration dependent: the 1900KV specification gives 1619g with a 6S battery and GF6040 3R propeller. The supplied configuration is one motor with eight M2 × 7mm screws and one M5 nut. Temperature measurements refer to the motor surface after 15 seconds at full throttle in 26°C ambient conditions.
Specifications
| Specification | Value & conditions |
|---|---|
| Model | K2207.5 Brushless DC Motor |
| Motor architecture | Three-phase brushless outrunner motor |
| Motor configuration | 12N14P |
| Weight | 36gIncluding cables. |
| Motor dimensions | 28.9 × 33.1mm |
| Stator and shaft dimensions |
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| Mounting pattern | 16 × 16mm (M3 × 4) |
| Motor cable | 20#AWG, 150mm |
| Bearing and bell construction | NSK bearing; 6082 aluminum bell |
| KV options and recommended propeller size | 1900KV, 2500KV, 2750KV or custom KV; recommended propeller size: 5–6 inches |
| Electrical specifications | DC16–25.2 V / Li-Po (3–6S); no-load/maximum-load current: 0.95A/33.47A; no-load speed: 0–1900PRM/1v; maximum power: 792.2W1900KV configuration. |
| Electrical specifications and maximum pull | Maximum pull: 1500g; DC11.1–16.8 V / Li-Po (3–4S); no-load/maximum-load current: 1.54A/33.74A; no-load speed: 0–2500PRM/1v; maximum power: 677.5W2500KV configuration; maximum pull with 4S and GF5040 3R propeller. |
| Electrical specifications and maximum pull | Maximum pull: 1397g; DC11.1–16.8 V / Li-Po (3–4S); no-load/maximum-load current: 1.71A/34.48A; no-load speed: 0–2750PRM/1v; maximum power: 537.9W2750KV configuration; maximum pull with 4S and GF6045 2R propeller. |
| Maximum pull | 1619g1900KV configuration; 6S battery and GF6040 3R propeller. |
| Working temperature and control | Working temperature: −0°C to +80°C; ESC control with PWM adjustment range 900–2100µs |
| Included equipment | One FlashHobby motor, eight M2 × 7mm screws and one M5 nutSupplied package. |
| Temperature measurement | Motor surface temperature100% throttle for 15 s; ambient temperature 26°C. |
| Motor operating data |
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| Motor operating data |
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| Motor operating data |
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| Motor operating data |
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| Motor operating data |
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| Motor operating data |
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| Motor operating data |
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| Motor operating data |
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| Motor operating data |
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| Motor operating data |
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| Motor operating data |
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| Motor operating data | 70%: 23.43 V, 17.93 A, 420.1 W, 1018 g thrust, 2.42 g/W; 80%: 23.18 V, 25.49 A, 590.9 W, 1281 g thrust, 2.17 g/W1900KV; GF5143 3R propeller; 70–80% throttle. |
| Motor operating data |
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