Did a rough comparison between the quad patch antenna, and the standard dipole today.
The F550 quad was flown out to just over 300m away, and hovering at 25m AGL.
SMA attenuators were inserted in series with the patch, until … Read more...
These 5.8 GHz PCB patch antennas come from Kent Electronics in Texas, USA.
You can download the product PDF from here.
The quad patch array (pictured above) offers 11 – 12dBi gain, or 8.8 – 9.8 dB gain … Read more...
Genuine T-Motor 12″ Carbon Fibre propellers are $65/pair.
Perfection out of the box doesn’t come cheap, but by the end of this article, you may gain a better appreciation for T-Motor products.
Gemfan “T-Style” CF knock offs from BoltRC… Read more...
In a quest to reduce unnecessary weight, excess cable is removed from both a DJI iOSD module and DJI Wookong-M LED module.
Both of these modules have hard-wired leads coming out of them, with moulded connectors at the end.
Having recently purchased a 5.8 GHz 200 mW video transmitter for FPV use, and being a radio ham, I was curious to see what this transmitter looked like on the spectrum analyser.
The HP8562A spectrum analyzer is fed with … Read more...
Knowing your multirotor’s altitude can be handy information, and with an FRSky Taranis radio system, it doesn’t get any easier than this!
This is the FRSky FVAS-02H high precision BARO Altitude Variometer sensor.
Simply velcro’ed to an arm – this … Read more...
What’s wrong with this picture?
Stupidly, a cloverleaf antenna with a reverse SMA connector (SMA-RP) is supplied with a transmitter than has a “normal” SMA (f) jack, thus requiring an adapter.
These adapters can be relatively lossy at 5.8 GHz, … Read more...
FPV (First Person View) toys have arrived, including a camera, 5.8 GHz monitor, 200mW 5.8 GHz video transmitter, monitor mount, and a DJI iOSD-Mini module.
This (tiny!) colour camera features a 1/3″ low-light sensor, and was fitted to the front … Read more...
When tinkering with the F550 quad on the bench, and getting into the routine of removing the propellers:
Label each motor number on the arm.
We obviously don’t want to affect the balance of the motor with a label on … Read more...
I was about to knock up my own Taranis switch cheat sheet for all the programmable switches. 
… until I came across this PDF on a German FPV forum.
Once I got around registering (with the help of Google Translate), … Read more...
This video takes a look at another F550 hover endurance test, but this time with a Zippy Compact brand 3S 3300mAh LiPo battery.
* Time compressed, so you don’t sit through the entire xx minutes!
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