Hobbyking X550 Completed

I posted a short review on the X550, today I actually finished and with my AQ50D installed on it I maiden the quad!, I’m using HBK 800kv motors and SS 18A ESC (gonna flash it later with SimonK firmware)

My current setup for the quad:

– AQ50D

– Super Simple ESC 18A

– 2213N 800Kv Brushless Motor

– 10×4.5 propeller

– 2200mAh 25C

– 5.8ghz FPV VTX with clover leaf antenna (not installed yet)

– HBK E-OSD with CL-OSD Firmware

On average hover and some forward flight only getting max 6 minutes with the 2200mAh battery, maybe will upgrade it to 5000mAh or parallel 2 of those 2200mAh battery as after I’m use to the frame I will install my FPV equipment to the frame it probably gonna add more weight to it and even shorten my flight time.

some picture:


Flight video will follow later :), I have high hope with this quad :p

Hobbyking X550 Build log

This is my X550 from hobbyking build log, cheap frame made out of fiberglass plate with aluminum arm, to be honest all the part is cleanly cut as promoted the only this is lacking are “assembly manual” took some time for me to figure out how to assemble all the thing but still fairly easy to do so here is my pictorial build log

Source: www.hobbyking.com/hobbyking/store/__24151__Hobbyking_X550_Glass_Fiber_Quadcopter_Frame_550mm.html

This is all the part come with in the box not much :)


as i mention earlier there no assembly manual what you see what you got, i wonder what we going to do with this bunch of screw, oh ya you will need HEX for all the screw!

So let start with the Arm, straight forward procedure insert the screw to the hole :D

do it with all 4, remember do not fastened it to tight if you want to fold it, if you dont have any plan to fold it just tighten it as hard as you can :p,

Note: good thing is all the nut are nylock!

do the same for Arm sorry i forgot to get the picture for arm landing skid so I skipped to the finished build T_T

Test fitting my DT750 motor

frame folded

The frame can take prop size from 8 inch to 12 inch i think as I tested with 11 inch still have some space left

frame weight with out electronics

some few problem might to take note of when folding the frame

extra nut and bolts?

Battery strap come with the frame


UPDATE (20/05/2012)

As Peter request this is how I mount my DT750, I used stock mount I’m using M3 Screw for it, but you can’t use washer on top part you can only use at the bottom

PS: will not use DT750 for this frame to motor heavy I start sourcing for a new motors, not that this DT750 not good but I wont be doing any heavy lifting yet, for sport flying the motor is and overkill

so conclusion


1. frame is cheap $19.99 usd

2. Arm can be replaced with any aluminum tube you can find that sold in those hardware store or you can also use wood

3. Easy to assembly even without any instruction

4. fiber glass plate are nicely CNC cut

5. It light!, my DJI F330 is heavier than this frame :p

6. can take props size up to 12 inch!

7. all mount hole for motor pre-drilled but does not quite fit my DT750 motor



1. no instruction manual (it cheap can’t complain much) but would be nice to have one.

2. the fiber glass may wear out if you fold and unfold the frame to frequent.

Overall it a good frame to have especially for those looking for budget frame and don’t want to make your own frame :), still planning what to do with this frame maybe I’ll put DT750 motors or get a new smaller motor for this for now it will be join my others stuff in the cabinet