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HelicopterAerial Photography and Video › DJI Ace One coming!
12-31-2010 12:40 AM  6 years agoPost 21
CNCMAN172

rrNovice

Westerville Ohio

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DJI Ace One Installed on AF25

Well guys Jared and I installed the DJI Ace One on ACT1's AF25 today and the install is really straight forward and simple. The harder part was making sure we had the radio and the the software setup correctly. This takes a while the first time around, but I am sure it would be much easier doing it again.

One thing for sure the compass and gyro calibration routines are much faster and more accurate than the previous DJI unit. Wow it calibrated in just over one turn in the horizontal and maybe two turns in the vertical position. Trust me it was pretty challenging to get everything to light up and work on the previous version you had to be very careful.

Tomorrow morning the weather is suppose to warm up a bit so with fully charged batteries we hope to do the fine tuning. Steve is shooting a video of the install so it should be available shortly.

Russ

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12-31-2010 11:28 PM  6 years agoPost 22
Steveact1

rrApprentice

USA

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It's here and we finally got it installed. Here are two videos, one of the installation (an overview) and one of our maiden flight. We still have some more fine tuning, but here are the videos (which I posted on the main thread too in case you didn't see it.)

Installation Overview

Watch at YouTube

Maiden Flight

Watch at YouTube

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01-01-2011 12:56 AM  6 years agoPost 23
tott

rrApprentice

Maui Hawaii

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....

Good videos.

Thank you for sharing.

Looking forward to your next update / video.

JASON

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01-01-2011 01:10 AM  6 years agoPost 24
xfc3dcd

rrApprentice

West Carrollton, Ohio usa

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Great job guys!

It's very difficult to make such comparisons, but I wonder if a very well set up 30 lb. heli would be more or less stable in high winds with a properly set up DJI than a 60 lb. heli, also with a DJI?

Happy New Year to all!

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01-01-2011 01:14 AM  6 years agoPost 25
Steveact1

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USA

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Happy New Year Wendell!

That's a good question. My first thought is that it shouldn't make any difference. If both units were perfectly adjusted for that ship I'd think the response would be the same. But I'm sure there are a lot more qualified people out there who might also comment.

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01-01-2011 01:30 AM  6 years agoPost 26
UAVProducts

rrApprentice

Mchigan, USA

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It won't make a noticeable difference. Remember autopilots can make way more corrections per second then us mere humans. Actually, the faster you can make the head the more Autopilots like it. So in theory, a more docile heli will respond better to a autopilot.

Robert
N.A. Dist for DJI
N.A. Dist. for PhotoHigher
Formerly DJIUSA

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01-01-2011 03:23 AM  6 years agoPost 27
xfc3dcd

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West Carrollton, Ohio usa

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Robert,

That sounds somewhat reasonable, and may very well be true but, if corrections are made by the autopilot,it still results in a movement where the camera lives, albeit quite small. If the movements are always exactly correct, then I would agree. But my brain still thinks that, at a very precise level, say 1/4 of a pixel, that fundamentally it would be better to have never moved, versus having moved and a corresponding correction been applied. While the DJI might be capable of perfect corrections, I don't know that the servos and control system can exactly produce the corrections requested, with perfect fidelity, every single time, in all wind conditions.

Wendell

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01-01-2011 03:32 AM  6 years agoPost 28
sean911sc

rrVeteran

SoCal

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The software package looks nice in ref to the XP 3.1.

Any chance that will be available for XP 3.1 users?

Sean

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01-01-2011 02:06 PM  6 years agoPost 29
Steveact1

rrApprentice

USA

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Wendell,

I would agree with that. The best possible scenario would be a perfectly steady heli. The best movement is NO movement!

But in normal flight with varying winds, there is almost constant motion to a degree. I'd think that quicker reactions in flight control would result in smaller amounts of correction...which would ultimately translate to less gimble compensation movement.

But your point about the ability of the servos and control system to keep up with the split second commands being issued by the Ace One brings up a valid question. That's something we'll be watching closely once we get it dialed in.

Another question we discussed during the installation regarded gimble control that will be released sometime in January to allow for tilt and horizon compensation. If the camera is pointed 90 degrees to the heli, what will the impact be on tilt and roll? I'll be very interested to see what it will do...but at this point I have more questions than answers. But I can say that our tail wag is gone...and I'm really happy about that!

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01-02-2011 04:00 AM  6 years agoPost 30
Vortex Aerial

rrVeteran

Riverside Ca

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Im excited to hear how your testing goes on this Steve.

I believe i read a post of Roberts that stated this newer unit has twice the processor speed of the 3.1

Whether that equates to a more stable hover in the wind or better general flight characteristics is yet to be posted anywhere that i know of.
But its probably safe to assume that this upgrade makes for more robust and reliable control response from the operator that would be a HUGE leap forward in my opinion.

Some of the flight videos make it appear that operator cyclic response is much more tame than it used to be. (i fly a 3.1 with the older firmware) I was told that the 3.1 with the latest firmware flys almost exactly the same in this regard.

My original hopes when DJI launched the first unit included visions of fully controlled sustained hovers at 100 feet high and 600 feet down range, nose in, waiting for the A/D to call "action". Then smoothly pitching into FFF while descending on the moving subject, flying under a bridge or other structure then following the subject as it changes its course of direction..... all in perfect confidence with a couple pushes of the sticks. That pipe dream was reduced to a still photo rig that still gives me the jitters when the wind is over 5 knots.

If this new one turns out to really be ,"The Best Auto Pilot In The World" I will gladly pony up the dough and sing in the streets (and the forums) of its latest capabilities. (fingers crossed .. both hands)

Thanks for posting the videos and please keep them coming.

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01-02-2011 02:08 PM  6 years agoPost 31
UAVProducts

rrApprentice

Mchigan, USA

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Chris,

Update your firmware to 40406 and stop kicking it old school with a photo only rig.

You have my shipping address.

Robert
N.A. Dist for DJI
N.A. Dist. for PhotoHigher
Formerly DJIUSA

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01-02-2011 02:10 PM  6 years agoPost 32
Steveact1

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USA

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Vortex-

Thanks for the note. Since the heli I fly is only about 8 inches long with styrofoam blades, I don't consider myself a pilot. :-)

And even though I have been interested in putting one of these systems on Robbie, Jared (my pilot) had reservations. And because he is the pilot, he calls the shots. This past summer we had a few instances where we had to fly a greater distance away from us (while following some combines in a wheat field) and Jared mentioned that a system would have been handy for that job. The further away the heli is the bigger the challenge to achieve smooth hovers, etc. So the decision was made to get the Ace One.

As you saw in the flight video, we did some forward and backward movement with the system engaged. It was rock steady...and we were all really pleased with how seamless the transitions were from hover to movement. That is critical for what we do in the field, and this system makes it a lot easier for Jared to concentrate on positioning and following the action. It also makes it easier for me as I run the camera since those transitions are now much more subtle and smooth.

After Robert watched the video, he called with a few suggestions on what needed to be adjusted, which we'll be doing the next time we get together. When we've made those adjustments, I'll post another video to show the improvement. Robert said when the unit hovers, it should be stable in positioning and altitude...and we still had a little drift in both areas with our initial settings. So, I'm hopeful and confident that this will give us consistency in our end product regardless of the shooting conditions we encounter along the way.

I also hope Jared will allow me to at least hold the radio when Robbie is in an autopilot hover...and that someone will take a picture of me when it happens. I'll send that picture to all my friends! Because it's probably as close as I'll ever get to flying him!

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01-02-2011 06:03 PM  6 years agoPost 33
Vortex Aerial

rrVeteran

Riverside Ca

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Steve

Cant wait to see future footage!

If i may request, perhaps you could allow Jared to perform the following during a single flight:

On a day with moderate wind of about 8 to 10 knots.
While in Auto mode.
Fly a minimum of 4 complete figure 8s with the turns approx 500 feet apart.
Fly at a moderate pace of about 25 mph.
Do this while making minor altitude changes of about 30 feet or so both in the turns and in the straights.

Should all go well, try the same thing over again at about 35mph.

Should things get weird, (and this is only speculation on my part) switch out of auto, stabilize the ship, and try again from the beginning.

Thanks

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01-02-2011 06:16 PM  6 years agoPost 34
UAVProducts

rrApprentice

Mchigan, USA

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Chris,

That's child's play that you are requesting.

Robert
N.A. Dist for DJI
N.A. Dist. for PhotoHigher
Formerly DJIUSA

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01-03-2011 06:15 PM  6 years agoPost 35
Flying Tivo

rrKey Veteran

Monterrey,NL,Mexico

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Settings

Rob:

When adjusting Gains, in what increments should we change, on both high and low gains?
5,10,15,20,etc..

Because if I go, one by one, its going to be very painfull.

Felipe

If life throws at you lemons......Squirt some lemon juice in the eye of your enemy!!!!

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01-03-2011 07:09 PM  6 years agoPost 36
UAVProducts

rrApprentice

Mchigan, USA

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Adjust by 10's. Adjust the High gain first then start adjusting the low.

Robert
N.A. Dist for DJI
N.A. Dist. for PhotoHigher
Formerly DJIUSA

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01-03-2011 08:01 PM  6 years agoPost 37
Flying Tivo

rrKey Veteran

Monterrey,NL,Mexico

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Gains

Is there a way to adjust gains through the tx?
I could map/use an extra channel to adjust in flight.

Felipe

If life throws at you lemons......Squirt some lemon juice in the eye of your enemy!!!!

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01-03-2011 08:50 PM  6 years agoPost 38
UAVProducts

rrApprentice

Mchigan, USA

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No.
You do not have to power off each time you make adjustments.

Robert
N.A. Dist for DJI
N.A. Dist. for PhotoHigher
Formerly DJIUSA

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01-05-2011 03:34 AM  6 years agoPost 39
Jaymac26

rrApprentice

Okotoks, Alberta - Canada

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Hey Robert
Still loving my old big DJI and I am trying not to think about the new one!! Also should I upgrade my software to the latest? My bird is working well and I dont want change it but also dont want to miss out one any advancements. Thanks again

Jason McKay

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01-05-2011 01:30 PM  6 years agoPost 40
UAVProducts

rrApprentice

Mchigan, USA

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There is NOTHING wrong with the older DJI. It works great. The new firmware is really geared for video. It just gives a more crisp feeling and faster reaction to stick movements when in forward flight. If you are use to the current one or doing mostly photography its a great setup.

New firmware also has the fail safe enhancement with the Return to Home feature (not sure what version you have).

Robert
N.A. Dist for DJI
N.A. Dist. for PhotoHigher
Formerly DJIUSA

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