If you’ve ever built a lightweight 3–4” FPV rig, you know how tricky it is to find that perfect balance between power, weight, and efficiency. After spending a few weeks flying the T-Hobby F1404 motor, I can confidently say this little powerhouse deserves attention.
With multiple KV options (2900KV, 3800KV, and 4600KV), a sleek red-gray design, and excellent build quality, the F1404 brings serious performance to micro long-range and freestyle builds.
Build Quality & Design
The first thing I noticed when unboxing the T-Hobby F1404 was the premium feel. The gray and red finish looks clean and professional — a small motor that doesn’t look cheap in any way. The machining is tight, the windings are neat, and the overall build screams quality.
Despite its solid structure, the motor weighs only 9.34g (including cable) — which makes a huge difference on smaller builds. When you’re flying sub-250g drones, every gram counts.
The bell spins smoothly with almost no resistance, and the bearings feel solid even after several flights. It’s clear T-Hobby didn’t cut corners on materials — this motor feels as refined as many high-end options from T-Motor or BrotherHobby.
Specs Overview
Here’s a quick rundown of the key specs that stand out for me:
| Version | KV | Voltage (Lipo) | Max Power (60s) | Peak Current (60s) |
|---|---|---|---|---|
| F1404-2900KV | 4–6S | 262W | 10.45A | 9.34g |
| F1404-3800KV | 3–4S | 304W | 19A | 9.34g |
| F1404-4600KV | 3–4S | 316W | 20A | 9.34g |
Each version serves a slightly different purpose:
- 2900KV (4–6S) – Best for long-range or endurance-focused builds.
- 3800KV (3–4S) – Ideal for freestyle and everyday flying.
- 4600KV (3–4S) – Made for aggressive, fast, and snappy flights.
I personally tested the 3800KV version on a 3.5” freestyle build powered by a 4S 850mAh LiPo — a sweet spot for both performance and flight time.
Performance in the Air
Right off the bat, the T-Hobby F1404 3800KV impressed me with its snappy throttle response. It’s got that “instant punch” you want in freestyle flying, yet it’s still controllable for smooth cruising.
Here’s what stood out during testing:
- Power Delivery: There’s plenty of thrust even on 4S, making flips and rolls effortless. It doesn’t feel underpowered at all for a sub-250g quad.
- Smoothness: The motor runs incredibly smooth with minimal vibration. PID tuning was quick — I didn’t need to fight oscillations or mid-throttle noise.
- Efficiency: After a few packs, I noticed surprisingly low heat buildup. Even after several full-throttle dives, the motors stayed warm but not hot, which tells me they’re efficient and well-balanced.
- Noise: Quiet and clean — the kind of smooth hum that signals quality bearings and balanced rotors.
If you’re building for freestyle or cinematic micro drones, this motor feels both precise and powerful. It reacts instantly when you punch the throttle but remains stable during slow, steady movements.
Weight and Efficiency Advantage
At just 9.34 grams, the F1404 is lighter than many similar motors in its class, like the GEPRC SpeedX2 1404 or iFlight XING1404. That weight advantage gives you:
- Better flight times — less strain on your battery.
- Improved handling — especially on lightweight 3” and 3.5” frames.
- Smoother tuning — lighter motors tend to introduce less oscillation.
I paired mine with a 3.5″ carbon frame and Gemfan 3520 props, which felt like a perfect match. The drone stayed agile but never twitchy, offering an incredibly connected flight feel.
Recommended Propellers
Through testing different prop combos, I found these pairings work best:
- For 2900KV (4–6S): Gemfan 4023 or HQ 4×2.5×2 for efficient long-range cruising.
- For 3800KV (3–4S): HQ 3.5×2.8×3 or Gemfan 3520 for balanced freestyle.
- For 4600KV (3–4S): Gemfan 3016 or HQ 3x3x3 for aggressive, punchy flights.
Choosing the right prop makes a noticeable difference — go lower pitch for endurance, higher pitch for speed and sharp control.
Flight Feel & Control
The T-Hobby F1404 offers an excellent mix of torque and smooth control. I could easily modulate throttle for precision flying through gaps or maintain stable altitude during slow cinematic shots.
When I pushed it hard — full-throttle climbs, quick power loops — it delivered steady, predictable thrust without signs of sag or motor desync. The throttle curve feels linear, which helps a lot when fine-tuning rates in Betaflight.
Ideal Use Cases
Here’s where I think the T-Hobby F1404 shines the most:
- 3–3.5” Freestyle Builds: Perfect balance of power and control for tight spaces.
- Micro Long-Range Quads (2900KV): Efficient and steady even on 6S builds.
- Cinematic Drones: Smooth throttle control and quiet operation make it ideal for filming.
- Indoor/Outdoor Trainers: Great choice for small rigs that need reliable torque.
If you’re into lightweight, agile drones — whether it’s freestyle or long-range — this motor can handle both worlds with ease.
Pros & Cons
Pros:
- Lightweight yet durable design
- Strong power delivery with smooth throttle response
- Great efficiency and low heat output
- Excellent build quality and bearings
- Multiple KV options for different setups
Cons:
- Shaft diameter (1.5mm) limits prop choices slightly
- Slightly pricier than budget options, but worth it for performance
Why Buy T-Hobby F1404 Motor from MEPSKING
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Final Thoughts
After several flight sessions, crashes, and rebuilds, the T-Hobby F1404 has proven itself to be one of the best micro motors I’ve flown recently. It’s efficient, reliable, and hits the perfect performance-to-weight ratio for 3–4” FPV drones.
Whether you’re tuning a freestyle ripper or chasing long-range efficiency, this motor delivers the control, punch, and smoothness that experienced pilots crave.
For me, the 3800KV version strikes the sweet spot — powerful enough for acro, yet efficient enough for 6+ minute flight times on a 4S 850mAh pack.
If you’re building your next micro quad, the T-Hobby F1404 motor deserves a serious look. It’s proof that big performance can come in small packages.
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