Theory X 170 FPV Quadcopter Race Drone Frame Kit by Blade Helis

Blade Helis
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The Blade Theory X 170 FPV Quadcopter Race Drone Frame Kit was designed for durability, simplicity, and speed. Constructed exclusively for racing, the assembled kit containing carbon fiber plates, and all recommended equipment has a flying weight of only 400-450g. The airframe features multiple motor mounting holes to fit a variety of motors and the cover plate includes cutouts for a variety of connectors and video transmitter as well as the XT-60.

The camera mount is highly adjustable and can angle from 45 to 90 degrees. Advanced FPV pilots and those experienced in building quadcopters from scratch, will appreciate the compact design featuring enough room for all electronics and a GoPro camera. Its true X design provides an excellent feel in the air with more agility, the opportunity to hit top speeds, and the ability to reach the finish line first.

Theory X 170 (4”) Advantages
The advantages to using a smaller, 4” propeller racer is agility. A smaller profile means you can turn and corner much faster around flags and gates in a race, a significant advantage over other sizes in a tighter, more technical race course.


  • Carbon fiber airframe featuring a solid 4mm main plate provides exceptional durability while maintaining a lightweight profile
  • Diagonal carbon fiber weave bottom plate for maximum rigidity
  • Exteme simplicity in design which not only keeps the airframe lightweight overall, it makes building a breeze
  • Multiple motor mounting holes to fit a variety of motors. 16-19mm motor mount support
  • The top stack includes convenient cut outs for a variety of video transmitters and cameras
  • The ingenious top stack was designed to hold a GoPro Hero 3 or 4 with a single strap allowing you to have a race airframe with the ability to run an HD camera
  • The simple FPV camera mount allows for angles up to 90 degrees allowing you to choose just how fast you want to go
  • The extremely tough bottom plate provides an XT60 connector cutout for mounting your battery lead to prevent prop strikes in air
  • The compact frame design is open enough to place electronics easily within a condensed profile
  • Specifically designed for 4” propellers and recommended 2300Kv to 2650Kv motors for optimal performance

Battery: 1000-1300mAh 4S 14.8V 35C LiPo Battery
Completion Level: Kit
Diameter: 6.7 in. (170mm) between motor centers
Flying Weight: 14.1-15.8oz (400-450g)
Main Blade Material: Plastic
Main Frame Material: Carbon Fiber
Main Motor Type: Brushless
Type: FPV Quadcopter Frame Kit

Needed To Complete:

  • Transmitter/Receiver
  • FPV Camera
  • Video Transmitter
  • Flight Control
  • (4) ESCs
  • (4) Motors
  • Battery
  • Video Antenna
  • Power Distribution Board
  • (4) Propellers
  • 1.5mm Hex Wrench
  • 2mm Hex Wrench
  • Thread lock

This product was added to our catalog on August 17, 2016.