Radient Brushless Motor 4250 800KV (2-4S)
Brand: Radient
Part No: RDNM4250800
In Stock: Usually ships same day
The Radient Brushless Motor 4250 800KV is a high-torque outrunner engineered for model aircraft. Built around a 14-pole, precision-balanced rotor with super-thin stator laminations, it combines smooth running with excellent efficiency. CNC-machined 6061-T6 alloy end caps, high-purity copper windings, a heavy-duty stainless steel shaft and oversize ABEC5 bearings contribute to durability, power and the ability to turn larger propellers. With mounting options at either end, this motor offers flexible installation for a wide range of airframes. Part number: RDNM4250800.
Key Features
- 14 Pole 12 slot hi-torque rotor.
- CNC-machined 6061-T6 billet heatsink can.
- High purity, maximum efficiency copper windings.
- High RPM ABEC5 oversized bearings.
- Precision balanced rotor offers smooth, reliable performance.
- Super-thin (0.2mm) stator laminations.
- Precision engineered for maximum energy conversion.
What's In The Box
- 1x Radient high-torque brushless motor.
- 1x Shaft prop drive.
- 1x Can prop drive.
- 1x X-type mounting bracket.
- 4x Short countersunk screws for attaching the bracket to the motor.
- 4x Long cap head screws for can prop drive installation.
Specifications
- Size / KV: 4250, 800KV
- Power: 1250W
- Recommended ESC: 80A
- Recommended LiPo Cells: 2–5S
- Shaft Diameter: 5.0mm
- Bullet Connector: 4.0mm
- Motor Weight: 205g
- Prop Size / 3S (in): 13x6 / 14x7
- Prop Size / 5S (in): 12x8 / 13x7
- Connector: Bullet
- Colour: Black
- Material: Steel & Aluminium Alloy
- Shipping Weight: 0.31kg / 0.67lbs
Secured by Stripe
Designed specifically for use in model aircraft, all Radient high-torque brushless motors feature a 14 pole precision-balanced rotor, 6061-T6 aluminium alloy front and rear covers, high purity copper windings and a heavy-duty stainless steel shaft. It's a combination that, in tandem with high-quality oversize bearings, offers beautifully smooth running, longevity and an ability to turn large propellers. With a mounting option at either end, Radient brushless outrunners are engineered to offer the flexibility and power you need over a long and trouble-free life.
table { font-family: Arial, sans-serif; border-collapse: collapse; width: 100%; font-size: 14px; } td, th { border: 1px solid #dddddd; text-align: left; padding: 8px; } tr:nth-child(even) { background-color: #f9f9f9; } th { background-color: #4CAF50; color: white; position: sticky; top: 0; } .series-row { background-color: #e2e2e2 !important; font-weight: bold; } Brushless Motor Specifications| 2822 1600KV | 180 | 20 | 2-3S | 3.0 | 3.5 | 30 | 2S: 8x4 / 9x6 | 3S: 7x4 / 8x4 |
| 2822 2300KV | 180 | 20 | 2-3S | 3.0 | 3.5 | 30 | 2S: 6x3 / 7x3.5 | 3S: 5x4 / 6x3 |
| 2826 1000KV | 220 | 20 | 2-3S | 3.0 | 3.5 | 45 | 2S: 10x6 / 11x6 | 3S: 9x6 / 10x5 |
| 2826 1300KV | 240 | 30 | 2-3S | 3.0 | 3.5 | 45 | 2S: 9x6 / 10x5 | 3S: 8x4 / 9x5 |
| 2826 1900KV | 250 | 30 | 2-3S | 3.0 | 3.5 | 45 | 2S: 8x4 / 9x5 | 3S: 7x4 / 8x4 |
| 2826 2200KV | 270 | 30 | 2-3S | 3.0 | 3.5 | 45 | 2S: 6x4 / 7x3 | 3S: 5x4 / 6x3 |
| 2830 1000KV | 260 | 30 | 2-3S | 3.0 | 3.5 | 57 | 2S: 10x6 / 11x5.5 | 3S: 9x6 / 10x5 |
| 2830 1300KV | 300 | 30 | 2-3S | 3.0 | 3.5 | 57 | 2S: 9x6 / 10x6 | 3S: 8x6 / 9x6 |
| 2836 880KV | 340 | 30 | 2-4S | 4.0 | 3.5 | 67 | 3S: 10x6 / 11x5.5 | 4S: 9x6 / 10x6 |
| 2836 1100KV | 380 | 30 | 2-4S | 4.0 | 3.5 | 67 | 3S: 9x6 / 10x6 | 4S: 8x6 / 9x6 |
| 2836 1200KV | 390 | 30 | 2-4S | 4.0 | 3.5 | 67 | 3S: 9x6 / 10x6 | 4S: 8x6 / 9x6 |
| 3530 1100KV | 310 | 50 | 2-4S | 4.0 | 3.5 | 109 | 3S: 10x6 / 11x5 | 4S: 9x6 / 10x6 |
| 3536 1050KV | 500 | 60 | 2-4S | 4.0 | 3.5 | 109 | 3S: 10x6 / 11x5 | 4S: 9x6 / 10x6 |
| 3536 1300KV | 680 | 60 | 2-4S | 4.0 | 3.5 | 109 | 3S: 9x6 / 10x6 | 4S: 8x6 / 9x5 |
| 3536 1500KV (E2K) | 750 | 80 | 2-4S | 4.0 | 3.5 | 109 | 3S: 8x6 / 9x5 | 4S: 8x4 / 8x5 |
| 3542 1000KV | 750 | 60 | 2-4S | 5.0 | 3.5 | 132 | 3S: 11x5 / 12x6 | 4S: 8x7 / 9x8 |
| 3542 1250KV | 850 | 80 | 2-4S | 5.0 | 3.5 | 132 | 3S: 9x6 / 10x5 | 4S: 8x4 / 9x5 |
| 3548 790KV | 840 | 80 | 2-4S | 5.0 | 3.5 | 172 | 3S: 11x7 / 13x6 | 4S: 9x7 / 10x8 |
| 3548 900KV | 1000 | 80 | 2-4S | 5.0 | 3.5 | 172 | 3S: 10x7 / 12x7 | 4S: 9x6 / 10x7 |
| 3548 1100KV | 1100 | 80 | 2-4S | 5.0 | 3.5 | 172 | 3S: 11x5.5 / 11x6 | 4S: 8x6 / 9x6 |
| 4250 800KV | 1250 | 80 | 2-5S | 5.0 | 4.0 | 205 | 3S: 13x6 / 14x7 | 5S: 12x8 / 13x7 |
| 4260 600KV | 1500 | 80 | 3-5S | 5.0 | 4.0 | 275 | 4S: 12x6 / 13x6 | 5S: 11x6 / 12x6 |
| 5045 720KV | 860 | 80 | 3-5S | 6.0 | 4.0 | 195 | 4S: 13x6 / 14x6 | 5S: 12x6 / 13x6 |
| 5055 570KV | 1550 | 80 | 4-6S | 6.0 | 4.0 | 275 | 4S: 14x7 / 15x6 | 6S: 13x6 / 14x5 |
| 5055 760KV | 1660 | 100 | 3-5S | 6.0 | 4.0 | 275 | 4S: 13x6 / 14x6 | 5S: 12x6 / 13x6 |
| 5065 335KV | 1660 | 100 | 4-7S | 6.0 | 4.0 | 375 | 6S: 18x8 / 19x7 | 7S: 17x7 / 18x6 |
| 5065 435KV | 1750 | 100 | 4-6S | 6.0 | 4.0 | 375 | 4S: 18x7 / 19x6 | 6S: 17x6 / 18x5 |
| 6354 200KV | 2210 | 100 | 4-10S | 8.0 | 4.0 | 480 | 8S: 19x12 / 22x12 | 10S: 18x12 / 20x10 |
Radient Brushless Motor 4250 800KV (2-4S) Key Features:
- 14 Pole 12 slot hi-torque rotor.
- CNC-machined 6061-T6 billet heatsink can.
- High purity, maximum efficiency copper windings.
- High RPM ABEC5 oversized bearings.
- Precision balanced rotor offers smooth, reliable performance.
- Super-thin (0.2mm) stator laminations.
- Precision engineered for maximum energy conversion.
What's in the Box:
- 1x Radient high-torque brushless motor.
- 1x Shaft prop drive.
- 1x Can prop drive.
- 1x X-type mounting bracket.
- 4x Short countersunk screws for attaching the bracket to the motor.
- 4x Long cap head screws for can prop drive installation.
Manuals & Parts Explosions:
Radient Brushless Motor 4250 800KV (2-4S) Tech Specs:
- Weight: 306g / 10.79oz
- Shipping Weight: 0.31kg / 0.67lbs
- Connector: Bullet
- Age Recommendation: 14+
- Colour: Black
Key Info:
- Brand: Radient
- Part No: RDNM4250800
- Barcode: 5051121278149
Standard Shipping
£3.95 to most of the UK
Express Shipping
£6.95 to most of the UK
Worldwide Shipping
Available at checkout
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