HI,

I have a goal to fly the arducopter higher than the current tallest structure 829.8 metres and record the flight. I intend on doing this on a calm day but expect winds at high alt. I do not know what speed to expect. Has anyone brought you copter to a high alt of this value and any learnings i can take?

Thanks

Damo

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Love the idea, sorry I have no insight. How do you plan on flying? Loiter and full throttle up? Are you using a quad or hex or something else? Have you given any thought to flight time and battery?
Good luck and fly safe.
I think its not allowed uless ok by the FAA.

I'd work on a parachute for it FIRST.
I'm building my first one now and m already trying o invent a chute for it . bo

What I would suggest is put it in Loiter and do altitude tests, increasing by 100 meters each time to gauge your batteries. I have a perfect place to try this and might give it a shot. I'm already at 250 meters starting altitude but I'm near an airport so have to keep it safe.

BTW, is there an altitude record for multicopters? I know with a plane it's easier to get up high but I tend to shy away from taking my copter too high even though I don't have a range issue with my fpv gear.

I had a bright idea once. I felt my quad was descending to slow from a high altitude flight so I let it free fall for a bit. Once I noticed the props stop and start spinning in the opposite direction I quickly realized it was a dumb move. I instantly gave full throttle and 2 of the motors managed to flip the direction and the other 2 didn't.

In the end after the barrelling ride to earth. I noticed I didn't turn on my camera.

Now I found that I can return to earth very fast by pulling all the way to one side with the cyclic and bring the throttle really low. My motors don't stop spinning that way.

The plan is a mission with one waypoint and rtl. I will certainly be doing some battery tests and enable low voltage rtl.

COol, keep us posted on the chute

I would love to see your results and actual weight of your quad.

I dont know if there is a record, i coulnt see much information. We have sent a weather balloon to space before.

HI monroe, i prefer to self propel this as an exercise to prove arducopter's capabilities

Yep, good idea. The thing to be wary of is that unlike a plane you need a lot more throttle at landing than you do descending. If you're doing a fast descent at the end you need to be sure to have enough juice left to pull out of it.

It might not be very relevant to this discussion but I have some experience with high altitude quadcopter flying on DJI NAZA. Here is my video of a 750 meter flight near Ostankino tower in Moscow. Make sure you monitor battery charge and learn to manually descend from altitude fast. Also, expect to use more than half of your battery on the way down. Check radio and video link range and position all antennas for proper vertical range. Here is my video by the way) https://www.youtube.com/watch?v=Nv0V3Y7byf4

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