Flash Hobby Arthur 3115 900KV 6S Multirotor Brushless Motor
£26.90 Inc. VAT
High-efficiency 3115 motor delivering strong, reliable thrust for 9–10″ 6S multirotor builds.
In stock|Next shipping: 18/05/2026
The Flash Hobby Arthur A3115 900KV is a powerful and efficient brushless motor designed for 9–10 inch multirotor setups, delivering strong thrust and smooth performance on 3–6S systems.
Built with quality components and a balanced 12N14P configuration, it offers reliable output up to 1768W with excellent efficiency across the throttle range. The 900KV rating is well suited to larger props, providing stable lift and controlled power for long-range, cinematic, or heavy-lift applications.
Test Data:
| ltem NO. | Prop | Throttle | Volts (V) | Amps (A) | Watts (W) | Revol ution （RPM） |
Thrust (g) | Efficiency (g/W) | Operating temperature(℃) |
| A3115-900KV | FH1050 | 50% | 25.12 | 11.93 | 299.6 | 9027 | 1410 | 4.71 | 35.1 |
| 60% | 25.06 | 19.03 | 476.9 | 10479 | 1962 | 4.11 | 35.9 | ||
| 70% | 24.97 | 28.37 | 708.2 | 11803 | 2549 | 3.60 | 37.1 | ||
| 80% | 24.86 | 39.52 | 982.6 | 13011 | 3108 | 3.16 | 38.0 | ||
| 90% | 24.75 | 51.76 | 1280.9 | 13956 | 3628 | 2.83 | 40.0 | ||
| 100% | 24.62 | 65.26 | 1606.6 | 14691 | 4074 | 2.54 | 44.0 | ||
| A3115-900KV | GF1050 | 50% | 25.12 | 12.58 | 316.1 | 8941 | 1503 | 4.76 | 29.6 |
| 60% | 25.05 | 19.88 | 497.9 | 10378 | 2052 | 4.12 | 30.5 | ||
| 70% | 24.96 | 29.69 | 741.1 | 11647 | 2634 | 3.55 | 31.8 | ||
| 80% | 24.85 | 41.05 | 1020.0 | 12825 | 3234 | 3.17 | 33.5 | ||
| 90% | 24.74 | 53.47 | 1322.6 | 13713 | 3760 | 2.84 | 36.3 | ||
| 100% | 24.60 | 66.94 | 1646.9 | 14391 | 4205 | 2.55 | 39.1 | ||
| A3115-900KV | HQ1050 | 50% | 25.10 | 14.29 | 358.6 | 8678 | 1588 | 4.43 | 32.8 |
| 60% | 25.02 | 22.44 | 561.3 | 10006 | 2146 | 3.82 | 33.4 | ||
| 70% | 24.93 | 32.34 | 806.1 | 11162 | 2732 | 3.39 | 34.8 | ||
| 80% | 24.81 | 45.52 | 1129.0 | 12134 | 3295 | 2.92 | 36.8 | ||
| 90% | 24.69 | 58.54 | 1445.2 | 12825 | 3736 | 2.59 | 39.5 | ||
| 100% | 24.55 | 72.04 | 1768.9 | 13363 | 4079 | 2.31 | 42.9 | ||
| Notes: The test condition oftemperature is motor surface temperature in 100% throttle while the motor run 15 s.environment temperature 26℃ | |||||||||
- Model: 3115
- KV: 900
- Stator diamater: 31mm
- Stator height: 15mm
- Stator: 12N
- Poles: 14P
- Motor shaft: 5mm
- Silicone Wire: 16AWG 300mm
- Dimension: Φ37.1×32mm
- Weight: 117g
- LiPo: 3-6S
- Internal resistence: 0.046Ω
- Maximum pulling force: 4205G
- Recommended propeller: 9-10 inch
- Peak current(6S): 72.04A
- Maximum power(6S): 1768W
- Mounting: M3 19MM
Included:
- 1x 3115-900kv brushless motor
- 1x M5 Lock Nut
- 4x M3 x 8mm button-head screw
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SHIPPING & DELIVERY
We are based in the UK and ship to most destinations worldwide.
We dispatch orders during the times shown on our Dispatch Schedule. Orders placed before the daily dispatch cutoff will ship the same day (subject to stock availability). Orders placed after the cutoff will ship on the next scheduled dispatch day.
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Shipping to the UK
- Order before the daily dispatch cutoff for same day dispatch.
- FREE delivery available on qualifying orders over £99 (under 1kg).
For small, low-value orders, Royal Mail First Class is our most economical option. Royal Mail Tracked 24 is the most popular choice, offering full tracking and flexible delivery options. For guaranteed next working day delivery, we recommend Royal Mail Special Delivery.
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International Postage
- USA orders: Import duties and taxes are prepaid by us — no additional customs charges on delivery.
- Other destinations: Customs duties or import taxes may apply and are the responsibility of the recipient.
Smaller, lower-value orders may be sent via Airmail or tracked postal services. Economy road and express air courier options are available depending on destination. For faster delivery, we recommend express air courier services such as DHL Express, which typically deliver within 1–2 working days across Europe and a few working days for most other destinations.
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