Medium-range 7" quad

By beeb on Dec 10, 2017

12  1,173  21

First medium/long-range rig! It's definitely a tight build on this frame dubbed "DiveX" by fpvframe.ch. The frame is a 7" true X with a bunch of 3D parts for GoPro, GPS, vTX antenna, Crossfire antenna, etc. Still rocking the Hobbywing combo like in all my other builds. Still on the Runcam Sparrow because I have 16/9 goggles and the Eagle 2 (Pro) has more latency. I did some waterproofing (snowproofing) on this quad, using "Liquid tape" or "Plastidip".

Weight with everything but the battery is 443g (including GoPro and props). AUW is 711/727g on 5S 1800/2200mAh. The 1800mAh is from Swaytronic, the 2200 from mylipo.de

With a conservative end voltage, I get about 8min flight time on the 1800mAh 5s battery (hybrid cruising / freestyle), and it seems I could get about 11-12min from the 2200mAh if I extrapolate my last flight.

EDIT: I changed the TPU mount at the back to house the GPS module and Crossfire antennas in a vertical orientation + I added LEDs.

EDIT 2: I switched to Hobbywing motors for more kV and better 6" compatibility

Photos

Part List

Frame

FPV Frame · Switzerland | DiveX
Fpvframe.ch
See Site

Flight Controller

Hobbywing XRotor Micro Cube Regler 40A + F4 FC
Digitec.ch
$109.00

Motors

4 x Hebu Shop - Hobbywing Racecopter Brushless Motor Xrotor 2205-1800KV - Titanium - CW 471222-18A
Hebu-shop.ch
See Site

Propellers

HQ Prop Slow Flyer DD7X4.5 Propeller - Black
Iflight-rc.com
$4.99

FPV Camera

RunCam Sparrow WDR 700TVL 1/3 CMOS 2.1mm FOV150 Degree 16:9 OSD Audio FPV Camera NTSC/PAL Switchable (4 builds)
Banggood.com
$37.99

FPV Transmitter

TBS Unify Pro 5G8 HV (SMA)
Dronefactory.ch
$53.40

Antenna

TBS Triumph 5.8 GHz Antenna - SMA (420 builds)
Fpvheadquarters.com
$39.95

Receiver

TBS Crossfire Nano Receiver SE (130 builds)
Fpvracing.ch
$48.90

Batteries

Startseite
Swaytronic.ch
$9.88

Batteries

Lipo 2200mAh 18,5V 5S 35C/70C
Mylipo.de
See Site

HD Camera

GoPro HERO Session Waterproof HD Action Camera (4 builds)
$135.00

Misc Parts

TBS Crossfire Immortal T Antenne
Dronefactory.ch
$5.90

Misc Parts

Micro uBlox M8N GPS GLONASS W/ (18x18mm) (29 builds)
Readytoflyquads.com
$13.99

Misc Parts

TBS Crossfire Micro TX (2 builds)
Dronefactory.ch
$104.90

Misc Parts

Taranis QX7 Mod
Team-blacksheep.com
$1.50

Misc Parts

DroneKeeper Mini (7 builds)
Nichemall.net
See Site
Show stores (14)

Discussion

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Charles Hidalgo   Jan 27, 2018  

Very very nice. Someone thought things out with the printed parts and layout especially the gps/immortal t mount. Nice job.

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Charles Hidalgo   Jan 27, 2018 

Yeah many print the T antenna mount in the Gopro mount. Gets it up there nicely/ Nice build.

IsmaFPV   May 05, 2018 

Hi beeb! can you share the GPS mount files? I really like the position. :)
Nice job!

beeb   May 06, 2018 
1

Hey! Im using this one finally. The version with the immortal t vertically mounted was not working well. https://www.dropbox.com/s/0imrx9do3x92cg0/FPV-Antenna-holder-thin-v11.stl?dl=0

Limitless_F   Feb 17, 2018  

Did you need a lens for the Runcam Sparrow?

beeb   Feb 17, 2018 

No I didn't change the lens, but to be honest I swapped it for an Eagle 2 after a few weeks because I don't like the Sparrow too much for outdoors

Havoc   Dec 12, 2017  

Clean build!

How much flight time do you get out of this now?

Show 8 more comments
beeb   Dec 22, 2017 

Forgot to say that you will get the propellers in view with the runcam split, that's something that many people don't want.

beeb   Dec 23, 2017 
1

Hey guys! So I got 8min flight time with the 5s 1800mAh today. I was doing a little bit of freestyle (powerloops, split-s etc) so it's not only cruising.

Havoc   Dec 23, 2017 
1

Nice! That seems pretty good for that setup!

MackFPV(TheFirst)   Dec 22, 2017  

Also, what kind of ESC do you have under the hood? 40a? too much, too little?
Thanks for all your help.

beeb   Dec 22, 2017 

Yes, I bought the hobbywing combo so I didn't put an ESC entry above since the combo includes both and it would skew the price. The combo has 40A ESC, which is overkill for this build but I love the cleanliness of this stack so much that I put it in all my quads. One note though, I put rubber standoffs in one of these combos between the ESC and FC and ended up ripping off the pin header that connects them in a crash. So now I mount them with nylon standoffs or the provided metal spacers on a screw.

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