Review: Happymodel Crux3 NLR (18650 3-inch Long Range) – Oscar Liang

Review: Happymodel Crux3 NLR (18650 3-inch Long Range) - Oscar Liang Самолеты

Flight testing

Just like other 1S 3″ long range I have tested, they don’t handle wind very well due to the lack of power, but on a calm day they can fly very smoothly. By the way, it’s strictly for cruising, and not designed for acrobatic flying.

GPS takes about 3 to 5 mins to get a satellite lock for the first flight, which is not too bad. It gets faster after the first flight. You need to get a satellite lock before take off, otherwise rescue mode won’t work properly.

Rescue mode is working as expected and it’s all setup out of the box. However you should still go through the configuration and make sure the settings are suitable for your particular flying style and environment. See my Rescue Mode tutorial for more info.

Flight time takes a hit because of all the additional weight from the GPS module, buzzer etc. It gives me around 12 to 13 minutes of flight time vs. the 15 minutes from other similar models. But still it’s more than enough for me, some people might find it boring after 10 mins of cruising 🙂

Happymodel crux35 / crux35 hdzero / crux35 digital hd 3.5 inch 4s micro freestyle fpv racing drone

NOTICED: ELRS SPI Version already updated to ExpressLRS v2.0 version since Jan 10th

CRUX35/CRUX35 HD is an ultra-lightweight 3.5Inch FPV Freestyle FPV Racing Drone, the weight of the whole drone is only 87g for the analog version and 108g for the digital HD version. The Crux35 serials drone use Happymodel EX1404 high-efficiency motor and HQPROP 3.5-inch three-blade propeller to ensure the largest thrust-to-weight ratio under the most efficient premise, which can bring you a smooth Freestyle flying experience.

The HD version is equipped with CADDXFPV Nebula and Vista HD image transmission system. The analog version is equipped with CADDXFPV Ant ant camera.

The receiver version can be SPI ExpressLRS and SPI Frsky (S-FHSS compatible) for choose.

ExpressLRS is the most popular RC link system by now , it could performance very well with Crux35 and Crux35 HD.

Features:
Ultra-lightweight 3.5-inch BNF FPV Freestyle Drone
HD video transmission and analog video transmission are optional
Integrated ExpressLRS SPI receiver or Frsky SPI D8/D16 receiver
High efficiency EX1404 power system
Can be equipped with Naked Gopro or SMO4K
Support 3-4S battery 4S 750mah battery is recommended, maximum support 4S 1100mah

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Specifications:
Brand: Happymodel
Product name: Crux35 / Crux35 HD
Wheelbase: 150mm
Weight: Crux35 87gram
Crux35 HD 108gram
Size: 130mmx130mmx45mm(without propellers)
Receiver option: SPI ExpressLRS 2.4GHz
SPI Frsky D8/D16 (S-FHSS compatible)
Camera and VTX option:
HD DJI version Nebula Vista
HDZERO version RunCam Nano HDZero Camera HDZERO WHOOP VTX
Analog version Ant OVX303 VTX
Flying time: 9min~15min 4s 750mah battery

Package includes:

Item NameCrux35 Crux35 HDZEROCrux35 HD DJI
Crux35 Frame

1

1

1

Option1: ELRS X1 flight controller

1

1

1

Option2: CrazyF411 flight controller
CaddxFPV Digital HD Camera Nebula Nano Kit

1

HDZERO Whoop VTX Rucam HDZERO Camera

1

Analog FPV Camera Caddx Ant

1

Happymodel OVX303 5.8G analog VTX

1

Happymodel EX1404 KV3500 brushless motor

4

4

4

HQProp T3.5X2X3Grey (4cw 4ccw)

11

1

Screw Driver

11

1

Buckle Velcro for battery

1

1

1

MotorMode: EX1404
KV options: KV3500
Configu-ration:9N12P
Stator Diamter:14mm
Stator Length:4mm
Shaft Diameter: Φ1.5mm
Motor Dimension(Dia.*Len):Φ15mm*15mm
Weight(g):9g
PropellersPropeller Diameter: 3.5 inch
Pitch : 2
Blades : 3
Material : Poly Carbonate
Weight : 1.5g
Hub Diameter : 10mm
Hub Thickness:4.7mm
Shaft :1.9/1.5/1.9mm
Adaptor Rings : NO
Flight controller

(ELRS Version)

MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
Sensor: MPU-6000(SPI connection)
Mount pattern: 20×20 M2Size:32*28*9mm
Power supply: 2-4S Lipo battery
Built-in 12A Blheli_s ESC each
Built-in Betaflight OSD(SPI Control)
Built-in SPI ExpressLRS 2.4GHz receiver
Built-in 5V 1A BEC
Flight controller firmware target: CRAZYBEEF4SX1280
Flight controller
(Frsky version)
MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
Sensor: MPU-6000(SPI connection)
Board size: 28.5 * 28.5MM
Power supply: 2-4S battery input (DC 8V-17V)
Built-in 20A(each) Blheli_S 4in1 ESC Dshot600 ready
Built-in Frsky D8/D16 SPI receiverBuilt-in 2.4G Power Amplification
Built-in Betaflight OSD(SPI Control)
Built-in Current meter
Built-in 5V 1.5A BEC
Built-in voltage detectionFirmware target: MATEKF411RX
Onboard 4in1 ESCMCU upgraded to EFM8BB21
Power supply: 1S LiPo/LiPo HVCurrent: 5A continuous peak 6A (3 seconds)
Support BLHeliSuite programmable
Factory firmware: O_H_5_REV16_8.HEX
Default protocol: DSHOT300
Onboard SPI ExpressLRS 2.4GHz Receiver(ELRS version)Packet Rate option: 25Hz/50Hz/150Hz/250Hz/500Hz
RF Frequency: 2.4GHzAntenna : Immortal antenna
Telemetry output Power: <12dBmReceiver protocol to flight controller:  CRSF
Could bind with Happymodel ES24TX , ES24TX Lite, ES24TX Slim and DIY 2.4GHz ELRS TX module
Onboard SPI Frsky 2.4GHz receiver (Frsky Version)SPI BUS receiver
Frsky D8/D16/EU-LBT/, Futaba S-FHSS switchable on Betaflight
Channels: 8ch/16chDual antenna
Failsafe support
No ground interference ( Transmitter and receiver 1 m from the ground): 400m
CaddxFPV Digital HD Camera Nebula Nano Kit

(Digital HD version)

Weight(camera included]: 24g
Antenna: 2.3g
Dimensions: Vista Kit 30×29×13mm
Camera 14×14×21mm
Operating Frequency: 5.725-5.850GHz
Transmitter Power[EIRP]: FCC/SRRC/MIC:<30dBm
CE:<14dBm
Min.latencylend-to-end) 720p 60fps:32ms
Max.Transmission Distance FcC/SRRC: 4km
CE:0.7km
lnput Power: 7.4-26.4V
Power Output: 25mW/200mW/500mW/700mw
Goggles : Work with DJl goggles
Camera
Sensor: 1/3”CMOS
Lens:2.1mm,f/2.1
Shutter: Rolling
shutterFOV:142°(D);122°(H);75°(V)
LHCP antenna
Caddx ANT 1200tvl camera

(Analog version)

Image Sensor: 1/3″ CMOS Sensor
Horizontal Resolution: 1200 TVL
TV System: NTSC or PAL
IMAGE: 16:9 or 4:3
Synchronization: Internal
Electronic Shutter: PAL: 1/50~100,000; NTSC: 1/60~100,000
S/N Ratio : >52dB (AGC OFF)
Video Output: CVBS
Lens: 1.8mm
Min. Illumination: [email protected]
Auto Gain Control: YES
BLC: YES
WDR: Global WDR
DNR: 3D DNR
Dimensions: 14*14mm(with bracket to 19*19mm)
Wide Power Input: DC 3.7-18V
Work Temperature: -20℃~ 60℃
Weight: 2g (N.W.)
OVX303 5.8Ghz VTX
(Analog version)
Model: OVX303
Frequency: 5.8G 40CH
Transmitting Power: 0/RCE/25mw/100mw/300mw
Power supply: DC 5V
Current (5v): <650ma (300mw)
Weight: 1.5gram without antenna
Camera
RunCam Nano HDZero(HDZERO version)
Model: Racer
SKU: HDZ3203
Lens: FOV D150 degree
Power: [email protected]
Digital: 1280*[email protected]
VTX  
HDZero Whoop(TX5S.1)(HDZERO version)
Model: HDZero Whoop
SKU: HDZ3110
Frequency: 5.8G
Resolution Default: 1280*[email protected]
RF power: 25mw/200mw
RF Connector: U.FL
Interface: 4 lane MIPI CSI YUV422
Video Connector: 20 Position 0.30mm Pitch
Size: 32.5mm x 32.5mm x 7mm
Weight: 5.4g
Power:  [email protected]
Mounting: 25.5mm*25.5mm,M2 clearance hole
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Specs and features

  • FC (flight controller): Happymodel ELRSF4 2G4 AIO 5-in-1
  • Receiver: ExpressLRS 2.4GHz (integrated inside FC)
  • Camera: Caddx Ant Nano FPV Camera
  • VTX: 5.8GHz 25mw~200mw 40ch VTX (integrated inside FC)
  • Propellers: Gemfan 75mm bi-blade Propellers
  • Motors: Happymodel EX1202.5 11500KV
  • GPS: Happymodel Mini M8N
  • Size: 125mmx115mmx40mm (without propellers)
  • Weight: 68g (without battery)

I have tested a few different 3″ long range drones that are powered by a single 18650 cell, and they all have something unique to offer. What stands out most with the Happymodel Crux3, are the onboard ExpressLRS receiver and GPS module.

ExpressLRS needs no more praises, it’s one of the most competitive RC systems right now. It’s affordable, ultra low latency and great at long range too. I have a whole article talking about ExpressLRS if you are interested.

You can’t really call a drone long range if it doesn’t have GPS. Many of us have been trying to add a GPS module to these 3″ long range drones, but usually not possible due to the lack of UART. Finally, this time Happymodel ships out the Crux3 with GPS already installed.

With GPS, you can see exactly how far you are, you have a home direction arrow in case you are lost, and most importantly, your drone will fly back to you if you lost signal using Betaflight Rescue mode.

Where to buy?

Inside the box we have

  • Crux3 FPV Drone
  • 4x Gemfan 75mm bi-blade propellers
  • 1x Screw Driver
  • 1x Propeller disassemble tool
  • FPV Camera Setting Joystick
  • Manual and stickers

Batteries are not included. You will need to get some decent 18650 Li-Ion cell with high discharge rate. The recommended battery is Sony VTC6, VTC5A also works but with slightly less capacity.

Где купить skystars g730l v2 gps

 Появились и модификации легких FPV дронов, как пример – Flywoo Firefly Hex Nano.

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Как видно на фото выше, вся доработка включила в себя башню для GPS антенны. В обычной версии дрона на ее месте располагается крепление для экшен камеры.

 Вообще, подобных решений было много, все эти дроны можно вписать в категорию “мини”, но не “нано”. Так что я не буду останавливаться на их характеристиках, если что то заинтересовало, переходите по ссылкам ниже и смотрите сами.

Где купить квадрокоптер happymodel crux3 nlr nano

 Удачных полетов на дальние расстояния!

Константин, Обзор квадрокоптеров

Какая электроника нужна для нано дрона дальнего полета

Ниже я сделал подборку электроники для такого небольшого дрончика, смотрите, заказывайте, собирайте.

Если самостоятельно собирать и настраивать полетный контроллер нет желания, то ваш выбор – Happymodel Crux3 NLR Nano.

Полетный вес 115 грамм, дальность полета >3 км “из коробки”. Что еще нужно для того, что бы активно провести выходные?

Если вы заинтересовались этим дроном, то читайте статью: Обзор и отзывы Happymodel Crux3 NLR Nano.

Нано дроны дальнего полета

Нано дроны для дальних полетов весят менее 150 грамм вместе с аккумулятором. Используя высокооборотистые моторы стало возможным в качестве полетного аккумулятора установить   18650 или стандартную LiPo 1S.

Closer look at the crux3

The FPV camera holder is made of aluminium, which is a bit more durable than the 3D printed ones. FPV camera is the popular Caddx Ant, which is used in most other options in this class, so you can expect image quality to be similar if not the same.

Motors are 1202.5 11500KV, almost the same specs as the original Rekon3.

Happymodel Crux3 Nlr 18650 3 Inch Long Range MotorThe Crux3 is using ExpressLRS receiver, which is great for range. It will definitely out-range the commonly used Frsky D8/D16 RX. While it’s nice to see the tiny ceramic receiver antenna here, which is compact and convenient, I would rather prefer the longer traditional style antenna for better range. After all this drone is built for long range.

I also love the fact that it has a buzzer, which is missing in a lot of other BNF builds. It will help a lot when you crash and search.

The frame design is very similar to the Rekon3, which is known to have weak arms. The arms are very thin in the Crux3 and it’s probably not the most durable frame in the world. So avoid crashing 🙂

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