Relating to 5-inch BNF drones with the DJI O4 system, I in contrast all of the obtainable choices and concluded that the GEPRC Vapor D5 was the perfect choose for me. So, I made a decision to purchased one and see the way it truly performs. On this assessment, I’ll stroll you thru my expertise—masking its design, construct high quality, flight efficiency, and setup course of. In the event you’re contemplating this drone, this deep dive ought to show you how to determine if it’s value it.
If you wish to see my thought course of on selecting this drone and in contrast it with different choices, see this submit: https://oscarliang.com/5inch-bnf-dji-o4-pro-comparison-feb-2025/
The place to Purchase
You should buy the GEPRC Vapor D5 from these distributors:
The GEPRC Vapor D5 comes these equipment:
- GEPRC Vapor D5 drone
- Two units of Gemfan Vanny Type 5136 props
- 2x battery straps
- 2x sticky battery pads
- 2x spare aspect panels (black)
- GoPro mount
- Hex keys (2x)
- Prop wrench
- Additional screws
- Pointed device for urgent the bind button on the O4
- Manuals
- Stickers & keyring
Specs
- Wheelbase: 238mm
- Carbon Plate Thickness: 2.0mm (high/center), 2.5mm (backside), 5.0mm (arms)
- Flight Controller: GEP-F722-HD v2
- MCU: STM32F722
- Gyro: ICM42688-P (SPI)
- Barometer: Sure
- OSD: Betaflight OSD with AT7456E
- ESC: TAKER H60_BLS 60A 4IN1 ESC
- VTX and Digital camera: DJI O4 Air Unit Professional
- Battery Connector: XT60
- Motors: GEPRC SPEEDX2 2207E 1960KV
- Props: GEMFAN 5136
- Non-obligatory GPS: GEP-M10 GPS
- Receiver Choices PNP / GEPRC ELRS24 / TBS Nano RX
- Beneficial Battery 6S LiPo 1300mAh – 1800mAh
- Flight Time 14–19 minutes
- Weight:
- With out Battery: 488.4g
- With 6S 1100mAh LiPo: 698g
- With GoPro Hero 13 and 6S 1100mAh: 865g
Design and Construct High quality
Body
The Vapor D5 contains a useless cat body, which means the entrance props keep out of the digicam’s view, making it excellent for cinematic flying. The chunky high plate and vibrant orange aspect panels give it an aggressive, futuristic look.
- Carbon fiber arms: 5mm thick, sturdy, and inflexible.
- High & backside plates: 2mm and a pair of.5mm thick for strong affect resistance.
- Entrance CNC aluminum digicam mount with comfortable mounts: Safe and protects the delicate DJI O4 Professional digicam.
- TPU antenna mounts: Versatile and designed to accommodate varied antenna varieties.
Design Particulars
The SD card slot and USB-C port of the O4 Professional Air Unit are conveniently positioned, making system entry fast and hassle-free.
The battery strap placement forces the LiPo to take a seat barely towards the rear when utilizing a typical 6S 1100mAh battery. At first look, this may make the quad seem back-heavy, however surprisingly, the burden distribution remains to be completely balanced as a result of forward-mounted digicam.
That stated, there’s loads of house on the highest plate, and in the event you’re not utilizing a GoPro, you’ll be able to simply match a bigger battery for prolonged flight time. A 6S 3000-4000mAh Li-ion pack could be excellent for long-range flights.
One Design Flaw: Receiver Antenna Placement
If there’s one factor I don’t like about this quad, it’s the receiver antenna placement—it appears like a lazy design alternative.
Certain, it is going to in all probability work nice for shut vary flying like 1 to 2 kilometers, however this drone has a lot long-range potential (particularly with a big Li-ion battery), and an optimized antenna placement may considerably enhance vary and sign reliability.
Advice: Mounting the receiver antenna vertically to 1 aspect would assist forestall sign blockage from different elements and maximize vary.
Internals and Electronics
Accessing the electronics is easy—merely take away the highest plate, which is secured by 10 bolts.
Lastly a BNF quad with out pointless RGB LEDs—a refreshing change within the FPV world. And the aspect plates are detachable – probably saving you over 15 grams!
All elements are linked by way of connectors, apart from the GPS, which is soldered to the board beneath. Logical and sensible wire/capacitor placement—nice consideration to element within the design.
Soldering and construct high quality are top-notch—GEPRC clearly put thought into the design. FC boot button is well accessible—it faces outward to the aspect, so there’s no have to take away the highest plate to press it. And it features a buzzer—an often-overlooked however extremely helpful function.
Points & Annoyances
FC USB Port Cutout is Too Small
The aspect plate cutout for the FC USB port is barely 11x6mm, making it too tight for many cables. I needed to attempt like 4 or 5 completely different cables earlier than discovering one that hardly match. In the event you don’t have a USB cable with slim connector, you’ll have to take away the aspect plate simply to hook up with Betaflight Configurator—not a deal breaker however annoying nonetheless.
USB Energy Doesn’t Provide Receiver or GPS
The USB connection doesn’t energy the receiver or GPS—you have to plug in a LiPo for these to perform. Not a serious challenge, however it makes bench testing and setup barely extra inconvenient.
Flight Efficiency
First Flight Impression
My first flight expertise with the GEPRC Vapor D5 was nothing in need of exhilarating. Powered by a 6S 1100mAh battery, the quad felt extremely responsive and highly effective. No jello or noticeable vibrations, even when pushed to the restrict. Surprisingly quiet in comparison with different 6S 5-inch FPV drones—probably on account of body design and aerodynamics.
- Hover throttle: ~19%
- High velocity: ~165 km/h
It’s quick, however not absolutely the quickest 5-inch quad I’ve examined. Given the excessive KV motors, I anticipated a bit extra velocity, however the bigger/heavier body in all probability stability issues out.
Tuning
Out of the field, the GEPRC Vapor D5 is well-tuned, flying easily and responsively. I’d say it’s an amazing possibility for each cinematic flying and freestyle. Motors keep cool—even after 3 minutes of aggressive freestyle, they barely get heat. Inventory tune is strong—most pilots in all probability received’t have to tweak a lot until they need most efficiency.
That stated, there’s nonetheless room for enchancment. There’s minor instability when recovering from lengthy dives and sharp turns—not a deal-breaker, however noticeable. Tuning changes may assist, however with correct piloting, you’ll be able to masks these imperfections. For cinematic flying, this received’t matter a lot—these strikes aren’t usually utilized in clean, cinematic flight types.
Effectivity and Flight Time
If there’s one main draw back, it’s flight time—the Vapor D5 shouldn’t be probably the most environment friendly quad. GEPRC claims as much as 14 minutes of flight time, however that’s doubtless in low-throttle cruising circumstances with a giant battery. With a typical 6S 1100mAh battery, I received solely about 3 minutes of flight time when flying aggressively, and about 4 minutes if I ease off throttle. With a 6S 4000mAh Li-ion battery, flight time improves to 12-13 minutes—it’s okay for some mid to long-range flights.
Why is it inefficient? Three essential causes:
- Giant body—extra air resistance.
- Comparatively heavy weight—motors have to work more durable to keep up velocity.
- Excessive KV motors—extra energy, however much less effectivity particularly at mid to excessive throttle.
Additionally, the present sensor appeared to overestimate amp draw—I needed to enhance the present sensor scale to 195 to deal with this challenge.
GPS
Though the FC USB port doesn’t energy the GPS, I used to be pleasantly stunned by its glorious efficiency at how fast it will get a repair:
- 3D repair (8 satellites) inside a minute of plugging within the LiPo—even with the VTX powered on on the similar time.
- After 5 minutes, it locked onto 23 satellites—distinctive efficiency for a BNF drone.
This implies that GEPRC is utilizing a high-quality M10 GPS module, which is good for Betaflight Rescue Mode. For long-range pilots, this sturdy GPS efficiency is a serious benefit, making certain a dependable return-to-home failsafe.
The GPS mount additionally has adjustable tilt angle which ensures it stay degree throughout flight.
How you can Setup
Out of the Field Setup
Earlier than the primary flight, I did the next:
- Eliminated all labels on the drone.
- Eliminated the motor path playing cards—these point out the motor spin path (which is utilizing Betaflight default – props in).
- Eliminated the protecting movie from the digicam lens.
- Put in the 2 O4 antennas within the 3D-printed TPU mount (keep away from sharp bends within the wires).
- Positioned the battery pad on the highest plate.
- Put in the 2 battery straps—in the event you’re having hassle becoming them via the holes, simply take away the highest plate first.
Firmware
- The flight controller (FC) board goal is GEPRCF722, and it comes preloaded with Betaflight firmware model 4.5.1. For inventory CLI Diff, see right here.
- ESC Firmware: ESC 1: B-X-30 – Bluejay, 0.21.0, 48kHz
- ELRS Receiver Firmware Goal: GEPRC Nano 2.4GHz PA100 RX, firmware 3.4.2
Betaflight Setup
Enhancements & Modifications
Out of the field, the GEPRC Vapor D5 is already a wonderful FPV drone—for many pilots, you’ll be able to set it up, fly it, and have enjoyable instantly.
Nevertheless, like each BNF drone, there’s all the time room for enhancements. I’ve a couple of concepts the best way to make it higher, particularly for effectivity and lengthy vary functionality. For example to make it lighter, then re-tune PID and filters to maximise efficiency. Cut back motor output since this drone comes with actually excessive KV motors. And so forth…
Would you be taken with a separate submit on these modifications? Let me know!
Ultimate Ideas
Earlier than buying the GEPRC Vapor D5, I totally analyzed its specs, design, and general worth—and after flying it, my expectations had been confirmed. That stated, some minor design flaws solely change into obvious after hands-on testing, as talked about within the assessment.
Amongst all of the 5-inch DJI O4 BNF drones I in contrast, the Vapor D5 gives the perfect stability of worth and efficiency. It’s obtainable for $450, whereas related choices from iFlight can go for over $600. It’s only a no brainer.
You should buy the GEPRC Vapor D5 from these distributors:
Is It Value It? Completely. The mix of a strong construct, modern design, and very good flight efficiency makes it a wonderful alternative for each freestyle pilots and people seeking to seize cinematic footage with the DJI O4 Professional digicam. The principle draw back for me could be flight time and effectivity. However in the event you put a sufficiently big battery on this factor it might probably nonetheless fly for 12 minutes or extra, with its dependable GPS module, it may be a reasonably good mid to lengthy vary FPV drone.