Beta85X 4K Whoop Quadcopter (4S)

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Beta85X 4K Whoop Quadcopter (4S) Its fast and fun and records in 4k.

Beta85X 4K 4S Whoop - it is undoubtedly the smallest 4S 4K drone. 

Since YKS has shared his cinewhoop 4K with a stunning videography people have become fascinated with the 4K whoop. So here we are, a real 4S 4K Beta85X whoop!!! Upgraded F4 V2 FC with BLHeli_32 16A ESC, using single N-channel MosFETs, makes the structure and performance more stable and now supports 4cell power. Mounted with the Tarsier 4K camera, it's a great choice for cruising, so you have get tons of fun with this cinewhoop.


Beta85X 4K Whoop Quadcopter (4S) uk stock ready to ship


  • F4 V2 FC board has added extra 4 pluggable ports for ESC, VTX, RX and LED board, convenient installation and decreasing the dislocated PIN mounting.
  • High performance STM32F405 processor FC boards and tuned Betaflight OMNIBUSF4SD (OBSD). Faster input signals with lower latency and higher update rate are reachable. 
  • Using single N-channel MosFETs on ESC board which have a lower inner resistance. It is dual MosFETs on the original BLHeli_32 ESC board. 
  • 25V/220uf electrolytic capacitor, for protecting ESC board, reducing the defective rate caused by the instantaneous high voltage.
  • Installed with Caddx Tarsier 4K camera with ND8 filter which supports APP setting and switchable resolution setting of 4K, 2.7k, 1440P, 1080P.
  • Upgraded 1105 motor from 6000KV to 5000KV,  with a light weight but definitely will give you extreme power and speed. Motors come with cable connectors.
  • Durable and light frame customized for the Beta85X to increase its stability, we specially add an extra stiffener brace of carbon fiber. Whole drone no soldering or tinkering necessary.
  • 450mAh 4S high rate battery is recommended by default. But pilots can also use their own batteries with battery strap. making it optional and affordable.

85X Spec list:
85x range spec list

BETA85X SPECIFICATIONS

  • Weight: 88.6g (without battery)
  • F405 V2 Flight Controller and 16A BLHeli_32 ESC
  • Motors: 1105 5000KV with connector
  • Props: 2" 4-Blades Props
  • Camera: CADDX Tarsier 4K
  • Canopy: Canopy for Tarsier 4K camera
  • Receiver option: Frsky XM+ / Flysky / TBS Crossfire / 
  • Recommend battery: 4S 450mAh Battery (Not included)
  • 5.8G FPV antenna
  • Flight time: 4min - 6min with 450mAh 4S battery

FC SPECIFICATIONS

Find more details about this F405 V2 FC in another page.

  • CPU: STM32F405 (Overclock to 240MHz)
  • Six-Axis: MPU6000
  • Size: 26mm x 26mm, whoop mounting pattern
  • Firmware version: Betaflight OMNIBUSF4SD (OBSD)
  • OSD: Built-in BetaFlight OSD (STM32 controls OSD chip over SPI in DMA mode)

85x flight controller


ESC SPECIFICATIONS

Find more details about this BLHeli 32 ESC board in another page.

  • Support BLHELI_32
  • Support PWM, Oneshot125, Oneshot42, Multishot, Dshot150, Dshot300, Dshot600, Dshot1200
  • Input voltage: 3-4S lipo
  • Continued current: 16A
  • Peak current: 19A 
  • Firmware target: BETAFPV-16A-32bit
  • MCU: STM32F051K66

Camera SPECIFICATIONS

Find more details about this Caddx Tarsier 4K camera in another page.

  • Weight: 19.5g
  • FOV: 4KF 2.8, FOV 150°(16/9), FPV FOV 165°(4/3)
  • Lens: Dual lens 2.8 / 12Mega
  • Image Sensor: 12M SONY sensor
  • TV System: NTSC / PAL, can be changed
  • Anti-Shake: Hardware anti-shake
  • Scene Mode: Auto / Personage / Scenery / Defog
  • Recording Timing Larm: OFF / 1mins / 3mins / 5mins / 10mins
  • Horizontal Resolution: 1200TVL
  • Image: 16:9 / 4: 3 (changeable)
  • Camera OSD: Separate OSD
  • The camera tilt angle is switchable from 20 degree to 30 degree with ND8 filter.

betafpv 4k camera adjustment adjustable

WHAT HAVE DONE TO SUPPORT 4S?

This Beta85X has upgraded in individual parts like FC, ESC, Motor, which can support 4S power with a steady performance and bring you into a glorious FPV world.

F4 FC & BLHeli_32 ESC

  • Support 4S Power. Written for ESC's that utilize 32-bit MCU. With the increase in processing power, faster input signals with lower latency and higher update rate would be possible in BLHeli_32, such as Dshot1200!
  • Using single N-channel MosFETs on ESC board, witch have a lower inner resistance. It is dual MosFETs on the original BLHeli_32 ESC board. 
  • Current sensor included.
  • ESC is mounted on the frame by screws and connected with FC boards by cables.

Last Version: The performance of the ESC is limited and could not stand 4S power on 85X for a long time. Besides, the ESC is connected to the FC board by header pins. When plugging the battery, the ESC will loose with the FC board and cause circuit short.


betafpv 85x 4k underside

Power Capacitor

Soldering with 25V/220uf electrolytic capacitor, for reducing the defective rate caused by the instantaneous high voltage.

Last Version: Not power capacitor included, which have the risk that the permanently damage on ESC by impulse voltage when plug the battery.

85x capacitor fitted to xt30

1105 5000KV Motor

Lower 5000KV for new Beta85X 4S, which could support 4S power which won't cause the issue of  overheat or burn (maybe the ESC).  Also change motor cables from 30AWG to 28AWG.

Last Version: 1105 6000KV motors with 30AWG cables. In 4S power status, the motor will be overheat and damaged. Which may cause the burnt on the ESC.

betafpv 85x 4k 1105 5000kv motors

Frame Stiffener Brace

The stiffener brace of carbon fiber can reinforce the Beta85X frame, avoid unstability caused by too strong power when Beta85x is flying.

Last Version: No stiffener brace included, which would result in seriously vibration on 4S power.

CADDX TARSIER 4K CAMERA

Tarsier camera is the first DVR boards that could support 4K@30fps recording. Here is the basic manual for you to recording when get this Beta85X 4K drone.


betafov 85x 4k camera usage manual how to

There are 2 buttons on the DVR board. One is for wifi and recording. The other one for power and recording video mode.


Short PressLong Press (5-8s)
Wifi/Record ButtonStart/Stop RecordingStart Wifi
Power/Mode Button Switch Video ResolutionTurn on/off Camera

 There are 2 LEDs to indicate the recording status.


FlashingFlash Solid
Wifi LEDWifi is power on and not connectedConnected
Mode LEDRecordingNot Recording

 For more details about the CADDX Tarsier camera, please download the Tarsier Manual

Also, there is a CADDX Tarsier APP on Apple Store (for IOS phone) or Google Store (for Android phones). Through the APP, you could change the settings like Metering, White balance, EV compensation, IOS limit, Sharpness, Contrast, Saturation.


caddx tarsier app


85x 4k nd filter nd8

PROPS OUT

The Beta85X drone also comes with "props out" by default. Why we need "props out" direction?

Default Betaflight props direction, quadcopter dips and "washes out" in hard corners. With reversed props or "props out", no more dipping even in hardest cornering.

props our motor direction on beta85x 4k hd

Related Detail

FAQ

1. Update Cli Dump of Beta85X 4S. ( Click here to find the details) 

2. How to set up SmartAudio vtx control? the set up is default when producing.  Multirotor Guide gives you the most straightforward explanation.

PACKAGE

  • 1 * Beta85X 4K Whoop Quadcopter(4S)
  • 1 * ND8 Filter for Tarsier 4K camera
  • 1 * OSD Menu Board

There are no batteries included for all version. High recommend the 450mAh 4S battery.

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