The Long Ranger

By Hypurr on Dec 04, 2018

15  1,218  6

Testing INAV on it now.

Update 5: Have done a few tests and only run into one issue. I was performing a test and had an RX Loss fail safe at about 1.6km (1 mile) out. It regained connection almost immediately and went into Rescue Mode like it was supposed to. I couldn't recreate it on a second run and have done testing since then even farther out without it happening. There are a lot of sources of electrical interference where it happened. Here's the video, you can see the fail safe at around 1:25. Other than that I haven't had any issues besides jello on the GoPro which may be caused by the arms being too thin for this length.

Update 4: Build is finally complete...for now. I have configured BF and INAV on it. I haven't fully tested INAV yet but BF is working well. I upgraded the antennas to the new Frsky ones for the R9 system. These are the antennas that should come with it, but I guess for the price they had to cut corners somewhere. No problem with any of the components so far, I just hope they are as reliable as they should be. Changed quite a bit along the way, VTX antenna, standoffs, ESC mounting (got rid of those cheap cases that came with them) and the power cable and cap, just to name a few. Now to see what it can really do.

Update 3: Everything is working and configured. GPS and magnetometer are working well and GPS rescue mode is setup in Betaflight and initial testing went well. Still waiting on upgraded RX and TX antennas and 3D parts, so not quite ready but close. No major problems so far. In the video below you can see in the upper right corner when I switch it into rescue mode and it takes control until I cancel it. I had it set for 50m rescue altitude, not sure why it liked to punch out to 100m. Something to work out.

Update 2: After much research I asembeld everything today and did a maiden flight. Seems to fly well but it's far from done, lots more to configure and I need a few things yet to make sure everything is installed correctly and safe during flight.

Update: Finalized and received all parts and began building. Have been researching a lot of info since I want to try my best to get this right the first time. Changed to a GPS unit with compass and flashed the FC to INAV to check it out and see if it flies ok with it. BF might give better flight characteristics but is weaker on GPS and compass features. If INAV doesn't work out then BF rescue mode is better than nothing.

Parts are on order. Using an AKK VTX I already had and a XM+ RX for now while I test, tune and work out any bugs. Once I finish that phase I'll have decided whether to go with Frsky or Crossfire for long range and whether or not this VTX will work for this. Might have to consider 2.4ghz down the road if I like this. I'll be adding a heatsink to the VTX for stability. I'll also be bottom mounting the battery and center mounting the Gopro to distribute the weight in the center horizontally and vertically. I can always change if that doesn't work out.


Part List


iFlight Team Edition XL7 V2 True X 7 inch 294mm Long Range FPV Freestyle Frame Kit

Flight Controller

Matek F405-CTR 30x30 Flight Controller (34 builds)


4PCS 35amp Brushless ESC DYS Aria 35A BLHeli_32 32Bit 3-6S Dshot1200 Built-in Current Meter Sensor Electronic Speed Controller f


4 x EMAX RSII 2306 1600Kv Motor


HQ Prop 7x3.5x3 V1S Tri-Blade 7" Prop 4 Pack - Choose Your Color (26 builds)

FPV Camera

RunCam Eagle 2 Full Size 800TVL 4:3 NTSC/PAL CMOS FPV Camera - Red (98 builds)

FPV Transmitter

AKK FX2 5.8Ghz FPV Transmitter 25mW/200mW/500mW/800mW VTX with MMCX Support OSD Configuring via Betaflight Flight Control Board (40 builds)


Lumenier AXII Long Range 5.8GHz Antenna (RHCP) (16 builds)


2 x FrSKY 900MHz Ipex1 Dipole T Antenna for R9 Slim/R9 Slim+


FrSky R9 Slim+ OTA 915MHz Long Range Receiver w/ 2pcs Dipole T Antennas (17 builds)


RDQ Series 18.5V 5S 2200mAh 80C Long Range LiPo Battery - XT60 (27 builds)


FrSky Taranis Q X7S Radio w/ Upgraded M7 Hall Sensor Gimbals (Carbon Fiber) (25 builds)


Fat Shark Dominator HD3 Core FPV Goggles (87 builds)

HD Camera

GoPro HERO5 Session (303 builds)

Misc Parts

8-Pack HobbyPark Aluminum M3 Lock Nut Nylon Self-Tightening RC Car Parts FPV Quadcopter Replacement Red

Misc Parts

8 x Tools for FPV (57 builds)

Misc Parts

Easycargo Raspberry Pi Heatsink Kit Aluminum + Copper + Thermal Conductive Adhesive Tape for Cooling Cooler Raspberry Pi 3 B+, P

Misc Parts

ESC Protector 4 Pack - 3D Printed TPU - Choose Your Color & SizeLarge / Green (3 builds)

Misc Parts

Matek M8Q-5883 GPS Module w/ Compass (53 builds)

Misc Parts

ViFly Finder 2 Buzzer - Lost Drone Finder/Locater/Alarm (174 builds)

Misc Parts

4 x M3 x 25mm Titanium Bolt (1PC) (5 builds)

Video Receiver

Furious True-D Diversity Receiver Module 5.8GHz System V3 Firmware 3.9 (30 builds)

Radio Module

FrSky R9M Transmitter Module (69 builds)


FrSKY 900MHz Super 8 Antenna for R9M and R9M Lite Module - FCC Version
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Caminhao   Feb 23, 2020  

Hi friend, can you help me? I have a vibration in my xl7 long range that I cannot remove, I am using gopro camera session 5. could you please share with me your betaflight setup? PID’s etc. thanks for your help, friend

kwadkenstine   Feb 23, 2020 

Is it vibration or jello, Vibration whole picture shakes , jello picture in parts oe whole looks wobly,
or is it ossolation caused by bad tune.
Start with a nd filter on ur go pro, If that doesnt work , rebuild from scratch,

GrannyAppleSmith   Dec 26, 2018  

Hey nice build!

Quick question, do you think this frame can fit 2 diffrent 30x30 stacks?

Hypurr   Dec 27, 2018 

I don't think so. You might be able to squeeze a 20x20 component in the back but defintely not a 30x30.

robbson   Dec 05, 2018  

Nice build! I really like the 3D printed holder for your M8Q-5883.
Care to share the file on thingiverse?

Hypurr   Dec 05, 2018 

Thanks. Actually that was custom made for me by since I couldn't find anything online for that unit. Everything else had the wires coming in from the side. It was tight getting it in but it's definitely not going anywhere.

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