Product overview
The BrotherHobby Nipple 3120 is a propulsion motor offered in five KV versions: 615KV, 630KV, 875KV, 905KV and 945KV. Its physical architecture combines a 20mm stator, a 12N14P configuration and N52H arc magnets in the rotor. The shaft uses SUS420, while both the base casing and bell cap use Al 7075. This is a motor component for aircraft integration; the product configuration is not a complete flight platform or an airframe kit.
Installation planning centers on the two specified M3 bolt patterns: 19X19mm and 42-48.6X42-48.6mm. The motor weighs 144g and has 16# AWG wire measuring 100mm in length, providing concrete inputs for mounting, mass allocation and wiring layout. Its battery specification is 4-6S LiPo, which sets the stated electrical integration range. The bearing specification is Φ12*Φ6*4. Procurement selection therefore includes the required KV version alongside these mechanical and electrical interface requirements.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | BrotherHobby Nipple 3120 615KV/630KV/875KV/905KV/945KV Motor |
| KV options | 615KV/630KV/875KV/905KV/945KV |
| Stator | 20mm |
| Shaft material | SUS420 |
| Bolt patterns | M3 (19X19mm); M3 (42-48.6X42-48.6mm) |
| Rotor magnets | N52H arc magnets |
| Wire gauge and length | 16# AWG, 100mm length |
| Base casing material | Al 7075 |
| Motor configuration | 12N14P |
| Battery cell count | 4-6SLiPo battery. |
| Bearings | Φ12*Φ6*4 |
| Weight | 144g |
| Bell cap material | Al 7075 |
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