Hobbydex30402800 · EzRun 4278SD G2 discontinued
Source: Hobbywing.
- Brand
- Hobbywing
- Part number
- 30402800
- Source
- Hobbywing EzRun 4268 & 4278 SD G2 manual
- Category
- Motors · more from Hobbywing
- Product page
- manufacturer website
- Weight
- 455 g
- Motor plug
- 6.5mm bullet
- Motor
- 2250 kV, 42 x 78 mm, 5 mm shaft
- No-load rpm
- 3S (11.1 V): about 25,000 rpm · 4S (14.8 V): about 33,300 rpm · 5S (18.5 V): about 41,600 rpm · 6S (22.2 V): about 50,000 rpm
- Sensors
- sensored
- LiPo
- 3-6S
- Motor type
- brushless
- Scales
- 1/8
- Spec
- Brushless motor, 4278 can, 5 mm shaft
- Can
- 4278
- Modified
- 2026-10-26
Bearings (Hobbywing's specifications): front 5x16x5, rear 5x11x5. Discontinued: listed as STOPPED on hobbywing.com
Equivalent to
| Generic spec | Match | Standards | Source |
|---|---|---|---|
| Brushless motor, 4278 can, 5 mm shaft | functional | Derived from Hobbywing's dimensions (O.D. 42 mm, length 78 mm, shaft 5 mm) |
Heat sinks and fan mounts for a 42 mm can (9, any brand)
Clamp-on heat sinks and motor fan mounts whose maker states this can diameter; check the length and the fan size on the part's page.
- GPM Racing ER2018FAN-B GPM Blue Aluminium E-Revo VXL 2.0 40x40mm Motor Cooling Fan
- GPM Racing ER2018FAN-BK GPM Black Aluminium Motor Heat Sink W/ Cooling Fan Set
- GPM Racing ER2018FAN-GS GPM Grey Silver Aluminium Motor Heat Sink W/ Cooling Fan Set
- HUDY 293190 Alu Dual Motor Fan Mount Dia 42mm (2×30mm / 2×40mm)
- HUDY 293192 Alu One-Side Motor Fan Mount Dia 42mm (1×30mm / 1×40mm)
- Rlaarlo DSK-1153 Motor Heat Sink Set for 42 Series Motor, Heat Sink
- Rlaarlo DSK-1194 Motor Heat Sink Set for 42 Series Motor, Heat Fan
- Rlaarlo DSK-1197 Motor Heat Sink Set for 42 Series Motor, Motor Heat Sink Set
- Team Corally C-00180-821 Blower Fan Shroud - fits 42mm Motors - fits 30mm Fan - Composite
Used in
No release lists this part yet.
Data: 30402800.toml on GitHub · report an error