H4 Alien 680mm quadcopter build and review - Setting up the pixhawk [Part 8]

In this video we setup the pixhawk before we go test fly this beast. We are almost done with the build. Here we just flashed a new firmware onto the pixhawk, did a accelerometer calibration, compass calibration, radio calibration and so on.. Next videos will be test flying this and tuning the pixhawk. The frame is carbon everywhere with red plastic clamps, so it is a foldable frame. All in all it seems a very good quality frame. This quadcopter should be used for mapping/photographing fields (with crop) from above. We'll see how that unfolds soon. Stay tuned and subscribe!
Parts used in this build:
Frame (H4 Alien 680 mm:
bit.ly/1xyS8Jq
Motors (Mulitstar 490kv):
EU: bit.ly/14gcScb
Global: bit.ly/1CX3KqW
ESC's (Blueseries 30A):
EU: bit.ly/1vMZH94
Global: bit.ly/1Hj8Eyi
Flightcontroller (3DR pixhawk w/ GPS):
www.robotshop.com/eu/en/3dr-px...
Propeller (15" carbon):
EU: bit.ly/13LO1vH
Global: bit.ly/1wHr7wt
Battery (4s 6000 mAh Nanotech):
EU: bit.ly/1D94uqd
Global: bit.ly/1tH7RVi
Camera holder (Battery holder H.A.L.):
EU: bit.ly/1y8VFey
Global: bit.ly/1w9caDb

[@aristotle6597]

Hi...I'm just building one of these myself & they are a very nice frame to work with, one thing I found when I built another with a similar type of carbon frame a little while ago though was that the wires that go through the frame tend to get a bit chafed after some time & start to wear through the insulation because of the sharp edges of the frame & the vibrations chopping into them over time, & as I'm sure you already know, the last thing you need with a carbon frame are short circuits, particularly on the very high current motor & esc wiring! So to be safe & avoid a possible future calamity I've taken all the sharp edges off around the holes where wiring goes through the frame with a small needle file, it's a little bit of extra work but well worth it I think, because those frames are very electrically conductive & most of those edges are very sharp!...I've not had time to see the rest of your videos on this build so you might have already thought of this, but I thought I'd just mention it in case you didn't...

[@EthansDeepField]

looking forward to your first flight, very neat foldable frame

[@TinyGreenWorkshop]

Thank you. The weather here is terrible either it snows like crazy or it storms as hell. So i haven't really had the opportunity to make that flight yet. Hopefully soon :-)

[@ObrerSchmied]

At first, your videos are awsome. Very good and detailed information. Gives some information about your flight? I haven't found any video about it.
Whats your flight time and the finely AUW?
Thanks for your affords.

[@BubbaCZekLP]

Hello, Which frame do you think is better? The alien 560 or tarot ironman 650? Thank you so much

[@TheSamisin]

First of all thanks for your great job.I found these videos after I bought the same frame and it was really helpful.I am not sure if you finished the build and tried it or not but I would like to know what gain set you ended up with this frame. I am using turnigy 390kv , 6s 8000mah and pixhawk plus exactly the same frame .

[@TinyGreenWorkshop]

Actually i didn't touch the gains at all. It flew so good from "standard" settings that after i fiddled with PID's for a while i just reset them, and it flew great :-)

[@TheSamisin]

MultiCopterBuild Thanks for the reply. I found what is the issue. My xrotor hobbywing ESC's not calibrate. I tried all together calibration.works fine after calibration but after unplugging the battery ESc's are not calibrated again. each of the motors runs on different speed.I will try manual one by one calibration and will plug the scope the pixhawk to see if the PWM outputs for each motor are at the same level. I will appreciated if you let me know if I am missing something.

[@TinyGreenWorkshop]

Sami Ahmari Hmm weird. I have tried to research and recreate your problem. I can't seem to succes in any of it. Have you tried opening up a thread on DIY drones? Theres some very smart people on the ready to help.

[@rudeadyet1992]

Did you crash? Coz I can't see it flying. Flying on next episode ?

[@msb042]

Have you tested 6s with this setup?

[@TinyGreenWorkshop]

+Mylen Blake No only 4S. The ESCs are not rated for 6S.

[@mohammedbuti8707]

hey can i spen 17" props on this frame?

[@TinyGreenWorkshop]

Mohammed Buti No. 15" is the biggest. You would need to make the arms longer and that means you wouldn't be able to fold it anymore.

[@rasmusthrane8002]

ok :-)

[@mohammedbuti8707]

hey what is the total take of Weight

[@TinyGreenWorkshop]

Mohammed Buti With a 16000 mAh 4S battery the AUW is around 2.7 kg :-)

[@rasmusthrane8002]

Er du fra danmark

[@TinyGreenWorkshop]

+Rasmus Christensen Ja det er jeg.