Why take into account a 7-inch FPV drone in a world more and more shifting in the direction of smaller, sub-250g fashions? Nicely, bigger drones outperform smaller ones, carry heavier payloads, and supply longer flight occasions. They’re additionally sooner, important for conditions requiring velocity and endurance. The GEPRC MOZ7 V2, that includes 7.5-inch props and highly effective 2809 motors, addresses this want completely, delivering velocity, stability, and flight time for high-speed chases and long-range cinematic flights. On this evaluation, we’ll discover its options, specs, and flight efficiency to see if that is the correct drone for you.
Priced from $664.99, the MOZ7 V2 will not be an inexpensive drone. If in case you have a decent price range, you’ll be able to construct your individual 7-inch FPV drone for as low-cost as $150, though it definitely gained’t match the options and efficiency of the MOZ7. It’s value testing: https://oscarliang.com/150-dollar-7inch-fpv-drone/
The place to Purchase
Get the MOZ7 V2 FPV Drone from AliExpress: https://s.click on.aliexpress.com/e/_oB7c6Sv
Included Equipment:
- 1 x GEPRC MOZ7 V2 FPV Drone
- 2 x HQ 7.5×3.7×3 Props (2CW+2CCW)
- 4 x Battery straps (15x250mm and 15x300mm)
- 1 x L-shaped screwdriver (1.5mm)
- 1 x L-shaped screwdriver (2.0mm)
- 1 x L-shaped screwdriver (3.0mm)
- 1 x Spare screw pack
- 2 x Battery anti-slip pads
- 1 x Bind button pin for O4 Professional
- 2 x O4 antennas, 1 x Receiver dual-band antenna
Specs
- Body: GEP-MOZ7 V2
- Wheelbase: 336mm
- High/Backside Plate Thickness: 2.5mm
- Center Plate Thickness: 3mm
- Arm Thickness: 6mm
- FC/ESC stack top: 30mm
- FC: TAKER H743 BT
- MCU: STM32H743
- Gyroscope: MPU6000 & ICM42688-P (Twin Gyro)
- Barometer: Sure
- OSD: BetaFlight OSD w/ AT7456E chip
- ESC: GEP 4-in-1 ESC BLHeli32 50A
- GPS: GEP-M1025
- VTX & Digicam: DJI O4 Air Unit Professional
- Antenna: Momoda2 SMA (LHCP)
- Energy Connector: XT60
- Motor: SPEEDX2 2809-1450KV V1.1
- Prop: HQ 7.5×3.7×3
- Weight: HD 750±10g (claimed)
- Receiver Choices: PNP / ELRS 915M/2.4G GemX / TBS NanoRX
- Beneficial Battery: LiPo 6S 3300mAh / Li-ion 6S 8000mAh
- Claimed Flight Time: Approx. 25 minutes (varies with battery, flying type, and situations)
Design and Construct High quality
Technically, the MOZ7 V2 is a 7.5-inch drone, tuned particularly for 7.5-inch props. Whereas it could use customary 7-inch props, utilizing the beneficial 7.5-inch props affords higher efficiency and longer flight time.
GEPRC claims the body has been bolstered over its predecessor, leading to higher crash resistance and extra steady flight efficiency. Nevertheless, this reinforcement additionally means elevated weight. Though GEPRC’s specs record the drone at round 750g, I measured practically 843g and not using a battery—virtually 100g heavier than marketed. A lighter design would considerably enhance effectivity.
Measured weights:
- With out battery: 843g
- With 6S 2200mAh LiPo: 1218g
- With 6S 4000mAh (21700 6S1P): 1265g
- With 6S 6000mAh (18650 6S2P): 1480g
The heavier weight partly outcomes from its spacious body design, which simplifies upkeep, restore, and modifications—a refreshing change from tightly packed competitions just like the iFlight Chimera 7 Professional.
The aluminum cage for mounting the digital camera affords sufficient lens safety, with no propellers seen within the digital camera’s view.
The aspect panels, designed with correct cutouts, shield electronics from filth and facilitate easy accessibility to USB ports and the DJI O4 Air Unit’s SD card slot. These aspect panels are detachable for weight financial savings. Fortunately, GEPRC skipped pointless RGB LEDs, avoiding additional price and lifeless weight. There are a number of cooling vents retaining the O4 Professional Air Unit cool.
GEPRC has clearly prioritized practicality within the MOZ7’s design. The hard-mounted XT60 connector simplifies battery connections.
Nevertheless, GEPRC’s claims concerning the aspect bars “guaranteeing a balanced middle of gravity” appear doubtful. Whereas these bars improve the underside plate structural power, their precise useful profit is unclear. They don’t add vital weight, so I’ll simply go away them.
Regardless of GEPRC’s enhancements, the MOZ7 V2 nonetheless feels barely tail-heavy, particularly when fitted with lengthy antennas. Utilizing a GoPro within the entrance will help stability the drone. Moreover, it’s doable to swap the places of the GoPro mount and lens cap to additional shift the middle of gravity ahead.
With out an motion digital camera, count on tail heaviness, and it’s best to shift the battery ahead to compensate. Why is that an issue? Nicely, when one aspect is heavier, the motors on that aspect must work more durable consistently.
I admire the sturdy arm guards, which double as touchdown gear, defending the underside plate throughout landings.
Digital Elements
The MOZ7 V2 comes with GPS—in truth, you’ll be able to’t get it with out GPS. The included buzzer and neatly routed GPS wires showcase GEPRC’s consideration to element. GPS module tilt angle could be adjusted primarily based in your deliberate cruise velocity.
It’s good to see that Failsafe and Rescue modes are arrange out of the field, which is uncommon to see in BNF FPV drones. Whereas the default settings look okay for essentially the most half, I strongly advocate reviewing the Rescue mode values to make sure they fit your flying setting. Take a look at my tutorial on Rescue mode: https://oscarliang.com/setup-gps-rescue-mode-betaflight/. Settings comparable to Return Altitude, Return Floor Velocity, and Throttle Hover and so on, should be personalized to your setup and necessities. Moreover, Channel Fallback isn’t set by default, and I strongly advocate configuring it as nicely—confer with my Rescue Mode tutorial for steerage.
The GPS unit features a compass, but it surely’s not linked to the flight controller, probably to simplify the construct. For Betaflight customers, this isn’t a problem for the reason that compass isn’t used for “return to dwelling”, however it might profit iNav customers. In keeping with GEPRC, the TAKER H743 BT flight controller is appropriate with iNav, although I haven’t personally examined this.
Though the specs declare the included O4 antennas are RHCP, they’re truly LHCP, similar to the inventory DJI O4 antennas. All of the antennas have SMA connectors.
The flight controller options twin gyros, which appears considerably overkill since just one gyro can be utilized at a time. Nevertheless, having two gyro choices does permit you to select the one which performs higher, making tuning probably simpler—albeit at the next price. For my part, that is barely pointless.
The 2809 motors are fairly beefy for a 7/7.5-inch FPV drone, as typical setups often use 2806 or 2807 motors. Bigger stator dimension interprets into extra highly effective and torque, making the drone responsive and steady, enhancing flight expertise.
My major grievance is the ESC. Firstly, the 50A present ranking feels barely low for a 7.5-inch FPV drone, particularly when even GEPRC’s 5-inch Vapor mannequin ships with 60A ESCs. Whereas the MOZ7 V2 is meant for environment friendly, long-range cruising quite than aggressive freestyle or racing, and 50A is enough for Li-ion battery setups (because it’s close to not possible to tug that a lot present from Li-ion packs), I really feel like a premium drone ought to not less than match the price range choice. One other concern is GEPRC’s use of a prototype model of the BLHeli32 firmware on the ESCs. That is problematic as a result of firstly, it’s an unofficial testing model, and secondly, BLHeli32 itself is now thought-about a lifeless firmware with no deliberate future updates.
DJI O4 Professional vs GoPro
A standout characteristic of the MOZ7 is the seamless integration of the DJI O4 Air Unit, which information spectacular 4K video at 60 or 120fps straight onboard. The picture high quality rivals high-end motion cameras just like the GoPro. For a lot of hobbyist pilots, the O4 Professional eliminates the necessity for an motion digital camera, saving each weight and value. The O4 Professional digital camera is mounted utilizing vibration-isolating silicone inserts, important for reaching jello-free flight footage.
The included MOMODA2 antennas are LHCP.
The O4 Professional Air Unit is mounted on customized heatsink, which successfully addresses the infamous overheating points, permitting dependable operation even throughout extended floor idling whereas buying GPS lock.
For pilots preferring utilizing motion cameras such because the GoPro or DJI Motion 5 Professional, GEPRC conveniently gives mounting choices out of the field.
Twin-band Gemini ExpressLRS Receiver
GEPRC affords three receiver choices: PNP, ELRS, and Crossfire. I’m reviewing the ELRS model right here.
The MOZ7 V2 is supplied with the GemX Twin-Band ExpressLRS Receiver. For these unfamiliar, Crossband Gemini represents cutting-edge ExpressLRS expertise, concurrently using 868/915MHz and a pair of.4GHz frequencies to transmit alerts, considerably enhancing hyperlink consistency, particularly in environments with potential frequency interference.
Along with Crossband Gemini, the receiver additionally options true range, that means it makes use of two antennas, every able to working on each 868/915MHz and a pair of.4GHz frequencies. One antenna is horizontally mounted on the entrance of the quad, and the opposite is vertically mounted on the rear. This association ensures not less than one antenna maintains line-of-sight with the transmitter whatever the quad’s orientation, decreasing sign blockage by elements or the battery.
Nevertheless, to completely leverage the GemX Twin-Band receiver’s capabilities, a dual-band transmitter such because the Radiomaster GX12 radio or Nomad transmitter module is beneficial. Should you solely have a conventional single-band 2.4GHz ELRS transmitter, you’ll be able to nonetheless bind it to the GemX receiver and function in regular mode, however you gained’t get the dual-band advantages.
Battery Choices
You’ve gotten the pliability to mount the battery both on the highest or backside plate, and GEPRC gives two battery pads for this function. I personally desire mounting the battery on the highest plate, as that’s the place the battery connector is positioned. The utmost battery size for the highest plate is roughly 16.5cm.
Nevertheless, should you’re utilizing an motion digital camera (comparable to a GoPro) or an extended battery that exceeds 16.5cm, the highest plate won’t present sufficient house. In that situation, mounting the battery underneath the underside plate is a viable workaround. Nevertheless, watch out throughout touchdown to keep away from damaging the battery cells when doing it this fashion. Additionally, you will want an extended cable to attach the battery.
GEPRC thoughtfully contains two battery straps of various lengths—250mm and 300mm—guaranteeing compatibility with numerous battery sizes.
Flight Efficiency
The M10 GPS efficiency was spectacular. In my checks, I achieved a GPS lock (8 satellites) in nearly 1 minute and 10 seconds (chilly begin). After 5 minutes, the satellite tv for pc depend rose to round 19 satellites, offering sturdy positional accuracy. Between altering batteries, I might get a lock once more inside 10-20 seconds.
I performed flight checks utilizing a 6S 6000mAh Li-ion battery (see evaluation) in wind situations of 15-20 mph:
- Hover throttle: round 30% (or 26% with a lighter 6S 4000mAh Li-ion pack).
- High velocity: about 110 km/h (larger speeds achievable with LiPo batteries).
- Optimum cruising velocity (environment friendly long-range flight): round 60-70 km/h, comparable to round 35% throttle.
By way of maneuverability, the MOZ7 V2 carried out nicely—very steady even in sturdy gusts. Freestyle maneuvers felt easy. After all, it’s much less responsive and fewer punchy than a 5-inch freestyle drone, however the MOZ7 V2 affords superior stability and endurance for long-range flights, and able to carrying heavier payload.
Throughout my take a look at flights, I achieved slightly below 16 minutes of flight time, overlaying a distance of over 15 km.
For Li-ion battery setups, it might make sense to set a throttle scale restrict round 80%. That’s as a result of at larger throttle ranges, Li-ion voltage sags a lot, it affords little or no additional energy. Cutting down throttle helps you obtain higher throttle decision, enhancing flight management.
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Sturdiness
All through testing, I had a number of crashes, together with a full velocity crash into the bottom from about 10 meters excessive. Surprisingly, the drone itself suffered no structural injury, aside from some bent propellers. The body held up rather well. Nevertheless, the weakest level gave the impression to be the receiver antenna on the rear. As a result of it’s created from inflexible plastic, it simply snapped off on the base within the crash. I’d advocate GEPRC to modify to a versatile materials for the receiver antenna sooner or later to enhance sturdiness.
Areas for Enchancment
- Embrace ND filters: It will be helpful if ND filters had been supplied for the O4 Professional digital camera, which is crucial for cinematic footage. Study the benefits of ND filters right here: https://oscarliang.com/nd-filter-fpv/
- ESC firmware: The 4in1 ESC makes use of a prototype model of BLHeli32 firmware. Whereas it would carry out simply effective in follow, it might be preferable and extra future-proof to make the most of an formally launched model, and even higher a firmware that’s actively maintained comparable to AM32 and even Bluejay.
- USB powering GPS/Receiver: The flight controller’s USB port doesn’t energy the GPS or receiver. You might want to plug within the battery to energy these elements.
- Versatile RX antenna: As talked about, the rear RX antenna is simply too fragile and must be changed by a extra versatile antenna for improved sturdiness.
- Self-powered buzzer: Given its premium value level, and long-range design, it might be helpful to incorporate a self-powered buzzer for enhanced security and simpler restoration in crashes. See suggestions right here: https://oscarliang.com/best-5-inch-fpv-drone-parts/#Beeper
The way to 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 digital camera lens.
- Positioned the battery pad on the highest plate.
- Put in the 2 battery straps by becoming them via the holes underneath the highest plate.
- Put in the 2 O4 antennas, and one receiver antenna on the again.
- Plug in a battery utilizing a smoke stopper for testing, make certain it powers up effective.
Firmware
- The flight controller (FC) board goal is GEPRC_TAKER_H743, and it comes preloaded with Betaflight firmware model 4.5.1. For inventory CLI Diff, see right here.
- ESC Firmware: BLHeli_32 31.9.2 ST G0 05
- ELRS Receiver Firmware Goal: GEPRC 900/2400 Gemini Xrossband RX, firmware ELRS 3.5.3 (ISM2G4)
Betaflight Setup
Closing Thought
The GEPRC MOZ7 V2 stands out as the most effective 7-inch FPV drones presently obtainable, particularly relating to its complete options and glorious flight traits. Despite the fact that it’s spectacular, thorough testing revealed some areas for potential enchancment—most notably the delicate receiver antenna and the ESC firmware model. These minor points aren’t essentially deal-breakers however are value noting for future updates from GEPRC.
Total, I used to be significantly impressed with its PID and filter tune, providing a extremely pleasing flying expertise. The body held up very nicely in crashes and the design is person pleasant. With a sufficiently big battery, flight occasions of 15 to twenty minutes underneath supreme situations are achievable. If this evaluation was useful, please assist the weblog by utilizing our affiliate hyperlinks or becoming a member of my Patreon.
Get the MOZ7 V2 FPV Drone from AliExpress: https://s.click on.aliexpress.com/e/_oB7c6Sv
