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Kingkong Smart 90 Super Light Carbon Fiber Micro FPV Drone (FrSky Protocol)

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Kingkong Smart 90 Super Light Carbon Fiber Micro FPV Drone (FrSky Protocol)

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$60.89
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SKU:
426000078-0
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Looking for your next Micro FPV Racer? The Smart 90 should definitely be a strong contender! The Smart 90 is one of the most sophisticated indoor/outdoor micro drones we have seen to date, packed with all of the features you would expect to find on a much larger FPV racer Including; Built-in F3 flight controller, 16 channel 5.8Ghz FPV Transmitter, built-in receiver with Frsky Protocol.


Not only is this little machine super lightweight and compact but it also boasts an all carbon fiber frame making the drone highly durable and rigid whilst in flight. The Smart 90 is supplied in connection ready format meaning no assembly is required, simply plug in the supplied LiPoly battery, bind the drone to your transmitter and you're ready for action.


Features:
• Brushed F3 flight controller with Frsky Protocol
• Pre-flashed with SP Racing F3 Firmware
• Built-in 25mw 16 channel FPV transmitter
• Built-in 1/4 CMOS FPV camera
• Durable carbon fiber frame
• Super lightweight and compact weighing in at just over 41g!
• Connection Ready


Specs:
Frame Diameter: 90mm
Weight: 41g
Flight Controller: F3 Brushed
Firmware: Betaflight/SP Racing F3
Motor: Brushed 8520
Propeller Size: 56mm
Camera: 600TVL 150 CMOS 1/4
Video Transmitter: 5.8Ghz 25mw 16 Channel
Battery: 1s (3.7v 550mAh) (2s (7.4v 220mAh)
Reciever Protocol: AC800 (Frsky)


FPV Transmitter Channels:
5658 5806 5705 5790
5695 5843 5740 5820
5732 5880 5760 5860
5769 5917 5780 5945


Package Includes:
1 x Smart 90 micro FPV drone
16 x Props
1 x USB Charger
1 x Prop guard set

  • Capacity (mAh) 550.00
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Brian | Verified Buyer

  • Overall
  • Quality
  • Value

Kingkong Smart 90 Drone

Jan 26, 2020

This drone came with no instructions. It took me a while to realise that switch SA was the motors enable safety switch. I fly it on 70% rates and it flies well. On the downside I have been unable to locate any spare batteries. Also the the package arrived without the word "gift" on it and I had to pay an additional £15 in tax.

Evan | Verified Buyer

  • Overall
  • Quality
  • Value

I had some issues, still a fun mini-quad, YMMV

Oct 13, 2019

Let me start by saying that this is a very well made mini-quad. The carbon fiber body is strong and all of the parts are mounted in such a way as to be easily replaceable. The camera and VTX work well though they're nothing to write home about, just okay for some lazy indoor flying. The zero degree tilt on the camera means that anything faster than about walking pace will have you staring at the floor when flying FPV. However, motors are decently punchy and the quad is capable of flying quite quickly when it needs to during line-of-sight flying. The included prop guards are nice to have if you're flying indoors regularly but it does obstruct some of the upper view from the camera in FPV. It flies well even outdoor (light breeze or less) and overall it's just a really fun little mini-quad.
Now on to the not so good stuff. I had a fair bit of trouble setting up the quad initially. Even under USB power I had immediate overheating issues. After about 5 mins of being plugged into my computer I could smell hot plastic from the receiver case and the sensor readouts in Betaflight froze. After unplugging and letting things cool down a bit I came back to it and tried again with the same results. Eventually this caused my receiver to fail outright. When attempting to replace the receiver I had to replace the connector which meant removing the flight controller. In this process, the adhesive holding it down ripped off the positive lead from the VTX & receiver and took the solder pad with it, my 5.5v pad is now unusable. Moving both over to the 3.3v pad pulled on the voltage regulators too much and the flight controller would not power on. I now have the receiver wired to the 3.3v pad and the VTX wired directly to the battery. This configuration also seems to have resolved the overheating issues. I believe that the receiver and VTX, while rated for 5.5v are not capable of handling it without overheating issues. It may be necessary to rewire them out of the box.
In troubleshooting the receiver issue (before I decided to replace it) I tried unsuccessfully to upgrade the firmware to the next available version and thought that I had bricked my board. This was easily resolved by downloading both the CP210x and STM drivers and flashing the following firmware: SPRACINGF3 (SRF3) 4.0.6 Sep 1 2019 which is the most current version at time of writing. You may need to hold the BOOT button when plugging in the board and throughout the flashing process to get a successful upgrade.
While this may have sounded like I had a lot of problems none of them were insurmountable and several could have been avoided if I had been paying more attention and taking my time. I now have a perfectly working quad that is very fun to fly and I look forward to spending many more hours with it.

Customer files
Kingkong Smart 90 Manual (revised edition) Download [11]
Kingkong Smart 90 Receiver Settings (revised edition) Download [461]
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