Review: XK X251 WhirlWind Quadcopter

XK X251 Whirlwind Quadcopter

This is one of the smallest brushless motor quadcopters available. It’s light weight combined with powerful motors make it an amazing flier. The XK X251 Whirlwind comes ready to fly out of the box even the propellers are installed all you will need is 6 AA batteries, charge up your battery and you are ready to go flying.

The XK 251 weighs in at 215 grams requiring no FAA registration. It is powered by a 2s (7.4v) battery.

Quick Specifications of XK X251
Brand: XK X251 RC Quadcopter
Frequency and Ch: 2.4G
Flying Time: About 12 minutes
Charging Time: 60 – 80 minutes
Control Distance: About 300m
Motor: Brushless Motors
Copter Battery: 7.4V 950mA Li-Po Battery
X7 Transmitter

What Comes In the Box

all in box

  • XK X251 Quadcopter
  • 2S 950mAh LiPo Battery
  • Transmitter X7
  • 4 x Spare props
  • Screw driver
  • Instruction manual (Good luck trying use it, the translation in very bad)

XK X251 X7 Transmitter

X7 Transmitter FUTABA S-FHSS Protocol

The X251 is paired with the x7 transmitter a fully programmable radio transmitter and Compatible with FUTABA S-FHSS communication protocol, the control distance with the x7 transmitter is greater than 300 meters!

Now this is not your typical toy grade transmitter, this is an almost a hobby grade transmitter. This borderline hobby grade transmitter feels well-built, has excellent sticks with good travel, as well as a back-lit display. The sturdy toggle switches are used to switch between the two rates high and low, as well as the two flight modes “6G” and “3G”, you’ll also find a throttle cutoff.  The jog-wheel and buttons around the display are real and are used to adjust the rates .

Pro’s

  • Brushless motors!
  • Great range 300 meters.
  • Fully assembled ready to fly
  • Good quality controller/transmitter, fully programmable radio.
  • Varied levels of flight control including Accro mode (3D mode).
  • Amazing flier, with plenty of punch, maneuverability, and speed.
  • Total weight only 214 grams, does not require FAA registration!

Con’s

  • Instruction manual is not understandable

Conclusion

The XK X251 has been getting rave reviews and we are going to agree. The X251 is a fast and powerful little beast and a great value for the money. It flies like a bat out of hell, with plenty of power, and is very durable. We crashed the X251 a number of times while testing and sustained no damage. The transmitter is hobby-grade, the rates are programmable, works well, and is one of the biggest selling points of the X251. The range is great at over 300 meters, more than you’ll ever need for such a small copter. Flight times are the 10 to 12-minute range.

The packaging is great and reusable for transportation, and storage when not flying.

The X251 is a great copter at a great value!

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