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The iFlight Nazgul ECO is probably going one of the crucial inexpensive BNF (bind-and-fly) 5-inch FPV drones obtainable in 2024. At solely $199.99, it competes with DarwinFPV’s price range mannequin, however the Nazgul ECO gives higher {hardware}, making it a compelling selection for a lot of. We’re reaching some extent the place shopping for a prebuilt drone makes extra sense than constructing one from scratch, not solely as a result of it’s simpler but additionally as a result of it may be cheaper. Let’s discover out if the Nazgul ECO is the best selection for you on this assessment.
Be taught extra about FPV Drones on this newbie’s information: https://oscarliang.com/fpv-drone-guide/
The place to Purchase?
You will get the iFlight Nazgul ECO right here:
It comes with the next equipment.
Observe that batteries usually are not included. You have to some 6S LiPo batteries; I like to recommend 1100mAh, 1200mAh, and 1300mAh sizes: https://oscarliang.com/lipo-battery-guide/#5percentE2percent80percentB3-Freestyle-and-Racing-Drones
For spare propellers, get them right here:
Specs
- Flight Controller: BLITZ ATF435
- ESC: BLITZ E55S 4-IN-1 ESC
- VTX: BLITZ 1.6W
- VTX Antenna: Albatross V2
- Motors: XING E Professional 2207 1800KV
- Propellers: Nazgul F5
- Receiver: iFlight ExpressLRS 2.4GHz RX
Nazgul ECO = Cheaper Nazgul V3?
At first look, the iFlight Nazgul ECO appears virtually equivalent to the favored Nazgul V3. It has the identical design, motors, body, and 3D-printed components. Even the LED emblem on the underside is identical. Nevertheless, the ECO is sort of $40 cheaper than the V3. How is that doable?
The ECO makes use of a brand new FC/ESC stack with the extra inexpensive AT32 chip as an alternative of the STM32 F7. I imagine that is the principle cause why iFlight is ready to supply this drone at such a low value. As mentioned earlier than on this weblog, the AT32 chip helps to make FPV extra inexpensive, and I believe we’re lastly seeing that pattern take maintain.
Curiously, the default craft identify within the Betaflight OSD is “Nazgul V3”, which additional confirms my suspicion that the ECO is simply the V3 with a extra budget-friendly FC/ESC stack. They most likely simply copied all of the config over and forgot to vary the craft identify.
Nearer Take a look at iFlight Nazgul ECO
The iFlight Nazgul ECO has a protracted physique, designed primarily for freestyle and cinematic flying.
It comes with a GoPro mount for simple set up on prime.
And the highest plate gives loads of room for a big LiPo battery.
The construct high quality is spectacular for a drone that solely prices $200, with ample house between parts for cooling. The design is straightforward and minimalist, specializing in efficiency with out pointless facet plates that add weight.
The Nazgul ECO features a buzzer, properly mounted within the entrance behind the digicam utilizing a 3D-printed holder, which is uncommon in RTF (ready-to-fly) quads, particularly on this low value vary.
The motors are Xing E Professional 2207 1800KV, the identical as these within the Nazgul V3. These are a number of the greatest price range motors obtainable. The motor wires are protected with plastic tubes, which look tidy {and professional}. Whereas opinions range on the effectiveness of those tubes in defending motor wires from prop strikes, they do add a clear look and solely weigh 2 to three grams.
The ECO options iFlight’s emblem with LED mild on the underside, just like the V3.
It comes with a robust 1.6W VTX, making it a doable candidate for long-range flying. This VTX can certainly ship the marketed 1.6W output energy, as examined right here: https://oscarliang.com/iflight-blitz-1600mw-vtx/
One distinction between the ECO and the V3 is the antenna. The ECO makes use of the newest Albatross V2, which appears cool and has an appropriate SWR, as examined right here: https://oscarliang.com/fpv-antenna-swr/#iFlight-Albatross-V2.
Based mostly on my antenna and VTX testing, channel 1 may be optimum for one of the best vary.
The FPV digicam is pretty uncovered to wreck in crashes. It will profit from extra safety from the entrance bumpers.
The flight controller stack makes use of AT32 chips that are supported in Betaflight 4.5. This flight controller gives 6 UARTs, with solely two getting used (for the receiver and VTX), leaving 4 spares.
Taking the Nazgul ECO aside is straightforward; simply take away the 8 screws on the highest plate.
I’m pleasantly shocked that it contains an Anti Spark Filter, eliminating the spark once you join the LiPo battery. Initially it was a bizarre feeling when plugging within the battery as a result of I’d usually anticipate a spark, but it surely’s now fully silent which makes me surprise if the drone has a problem, till I hear the ESC initialization beeps. It’s such a pleasant contact!
Solder high quality seems top-notch.
Enhancements I Need to Make
The ExpressLRS receiver is linked to the flight controller by way of a connector. The very first thing I’d do is take away the connector and solder the receiver on to the flight controller. I’ve had a few situations prior to now the place comparable connector failed on me, inflicting random failsafe mid-flight. We don’t usually unplug the receiver, so it’s fairly pointless to have the connector, it’s simply asking for hassle.
I’ll add my very own GPS to make use of Rescue Mode in Betaflight (just like return to house). Though iFlight gives GPS as an choice once you buy the drone, it prices $39 extra! I’m not positive what kind of premium GPS they’re utilizing, but it surely feels barely overpriced to me. In case you are not afraid of soldering and establishing GPS, you possibly can save fairly a bit of cash by doing it your self. I’ve a information explaining how one can setup GPS and Rescue Mode: https://oscarliang.com/setup-gps-rescue-mode-betaflight/
The analog digicam “RACECAM” is mediocre. It’s flyable, however the subject of view is sort of small and the publicity modifications are fairly gradual when lighting situation modifications. I’d most likely improve it to one thing higher just like the Ratel V2: https://oscarliang.com/fpv-camera/#Analog
In the event you want to enhance vary, you need to take into account mounting the receiver antenna vertically as defined on this information: https://oscarliang.com/antenna-positioning/
The present sensor is means off, and desires calibration.
Easy methods to Setup
The included manuals don’t present a lot element, so I’ve included the method I went via to set it up earlier than my maiden flight.
To begin with, connect the VTX antenna, battery pad, and battery strap, and get the propellers and nuts prepared for set up.
Binding Receiver
The handbook doesn’t specify the receiver machine goal, so I needed to discover out in WiFi mode. The receiver is the iFlight 2.4GHz RX, and it comes with ExpressLRS 3.3.0 firmware. I flashed the receiver with the newest firmware, together with my bind phrase.
Be taught extra about binding ExpressLRS receiver right here: https://oscarliang.com/bind-expresslrs-receivers/
Betaflight Configuration
The iFlight Nazgul ECO runs Betaflight 4.5.0 out of the field, and the FC firmware goal is IFLIGHT_BLITZ_F435. You will discover the default CLI Diff right here. Listed here are the configuration modifications I made:
- Preset: Apply the ExpressLRS Preset in line with your packet price.
- PID Tuning, Fee Profile Settings: Apply your personal charges.
- Modes: Assign switches to Arm, Angle, Beeper, and Flip Over After Crash.
Remaining Ideas
I completely love the iFlight Nazgul and Evoque sequence. They’ve been my go-to pre-built 5″ FPV drones, and now with the Nazgul ECO, it’s much more inexpensive. It’s even cheaper than the “most cost-effective 5″ FPV drone components record” I put collectively, very spectacular.
Some components of this drone would possibly present indicators of a price range construct, such because the FPV digicam and lack of GPS, however many of the parts are strong with nice construct high quality, it’s onerous to beat the general worth of the Nazgul ECO.
In the event you don’t need to construct a drone from scratch and simply need to fly, you’ll be able to’t go mistaken with this FPV drone. To not point out it’s well-tuned out of the field. Simply slap a GoPro on this factor and you’re going to get some fairly superior footage.
You will get the iFlight Nazgul ECO right here:
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