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Flyaways - Which P2 models are most prone to...
2427 22 2015-2-8
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away-point
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While purely anecdotal, seems to me Vision models are more prone to flyaways.  

Let's do an informal tally.  Has your Phantom 2 ever failed to respond to controller input, and/or ever flown off on its own?

Please respond with "yes or no" -- Phantom 2 model....

No -- Phantom 2, non-vision
2015-2-8
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MacCool
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They improved the RF shielding in the P2 v2.0 and the P2V+ v3.0. Without that data in your matrix, you won't have a meaningful conclusion

Not that you can get a meaningful conclusion anyway from an internet forum "survey"....
2015-2-8
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markus2015
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To add to MacCools post, there are so many factors to consider. Has somebody attached a GPS tracker, perhaps forgot to swich wifi off on the GoPro, flying near radio antennas, flying in cities with a lot of interference etc. So I don't think that either model is more vulnerable compared to the other. Many times it's a pilot error is one way or another.

I once fiddled with my compass and placed it at an angle to the landing skid and caused it to go nuts and eventually crash. Besides this:

No -- Phantom 2, non vision
2015-2-8
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droneflyers.com
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It's a fact that quads with cameras have more GPS interference and therefore more crashes of one type or another. This is why the Blade 350QX sent shielding to protect a GoPro (even without wireless on). Cameras emit RF and gimbals also add to the mix.

That's science.

So your supposition is true. Most quads of any and all brands which fly away or crash are probably carrying cameras. Most are also operated by fairly inexperienced pilots.

This is why companies are constantly trying to update their hardware and software which relates to this.
2015-2-8
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jeepinocala
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This forum needs vote polls where each person just gets a simple vote.
2015-2-8
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away-point
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jeepinocala Posted at 2015-2-8 23:42
This forum needs vote polls where each person just gets a simple vote.

Agreed.           
2015-2-8
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away-point
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Not expecting clinical trial accuracy here, just a small sampling of actual user experience.  What sparked my interest here is that most every time someone posts of serious misbehavior in flight, it's a vision of one variety or another.  

Okay, let's look at it in a more focus approach...

Anyone here have a Phantom 2 (non-Vision) fly away?

After a year with 3 different P2's, in hundreds of flights, my answer is no.  
2015-2-8
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uptowndisco
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The compass shielding for a new P2 v2 I bought (equivalent to v3 on a +)  did not have the improved shield that is fitted to the vision + v3,
perhaps dji thought it was not needed as the P2 does not have the wifi unit to cause interference to the compass ?
2015-2-8
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Humboldt710
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I see the Visions having the problems. Never had either of my P2 non visions fly away. I can't recall off the top of my head ever hearing of a P2 non vision fly away.


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2015-2-8
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gnixon2015
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Humboldt710 Posted at 2015-2-9 08:01
I see the Visions having the problems. Never had either of my P2 non visions fly away. I can't recal ...

me neither and i seem to see many more pluses than non pluses.
2015-2-8
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droneflyers.com
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away-point Posted at 2015-2-9 03:18
Not expecting clinical trial accuracy here, just a small sampling of actual user experience.  What s ...

I have seen lots of stories here about P2's with GoPro's having misbehaved. I can remember 1/2 dozen right off the top of my head.

Of course, many less are sold (P2 ZM) than V+.

Before the P2's, there were MANY stories of P1's crashing. I hesitate to use misbehaving or flyaway because I've seen pilot error being called by the wrong names, etc.

Heck, I just read a review where a guy returned and complained about a GPS drone because he was using it inside and it didn't react to the ceiling height he set in the software! Really. Actually, I read a couple that were that way.

2015-2-8
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Jamie Hellmich
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I just did a quick search and the last "flyaway" reported on the forum was January 6.  Am I missing some or have the flyaway reports diminished?

No lack of crashes or hard landings though.
2015-2-8
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andrew.packetlo
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Mine made a bid for freedom yesterday, very nervous about taking it up ever again:

2015-2-9
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away-point
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andrew.packetlo Posted at 2015-2-9 18:02
Mine made a bid for freedom yesterday, very nervous about taking it up ever again:

https://www.yout ...

Thats scary!  Damn near flipped twice!  Sure would be nice to know what caused that.  Wish we had access to log files like other control boards.  If you figure out what caused those rolls, please share!
2015-2-9
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droneflyers.com
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Jamie Hellmich Posted at 2015-2-9 11:27
I just did a quick search and the last "flyaway" reported on the forum was January 6.  Am I missing  ...

The pilots who got them for Xmas and have never flown have either crashed, lost or learned (that they need to read up and practice on something smaller)....

I'm done some digging and seen most events "reported" a 1/2 dozen times or more. That's another problem with trying to count.

2015-2-9
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michael.haws.ya
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andrew.packetlo Posted at 2015-2-9 18:02
Mine made a bid for freedom yesterday, very nervous about taking it up ever again:

https://www.yout ...

Sure would be nice if DJI would take a look at this video and give us some idea what could cause it to do this.     DJI  ... are you listening ?????
2015-2-9
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2015-2-9
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away-point
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bpiasta@gmx.de Posted at 2015-2-10 02:55
Don't expect too much. DJI is counting all the money they are making with us.
Only when the heep  ...

I'm afraid you are correct.  It's like DJI goes 75% of the way to being outstanding.  Innovative designs, but support and quality control are often just not that good.  

2015-2-9
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jonathan.statt
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andrew.packetlo Posted at 2015-2-9 18:02
Mine made a bid for freedom yesterday, very nervous about taking it up ever again:

https://www.yout ...

The fact that it regained immediate composure when in RTH mode would suggest that it's less likely a problem with the drones motors, ESCs etc or even it's brain. It could be bad signals from the controller telling it to do crazy things. If you slam the right joystick hard left or right very suddenly the Drone will lean over very strongly (albeit not almost flip like it looks like in the image). I realise you were not doing that, so you could do a diagnostic with the assistant on the PC and make sure the controller joystick axis are working properly and not jittering. Maybe the controller has had too much salty sea air   I doubt it is the reception on the drone itself because it was in close proximity to you when this happened (twice) and was actually stable and fine further away. Not likely to be strong magnetic fields anywhere near there either!
2015-2-9
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scom20.gmail
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andrew.packetlo Posted at 2015-2-9 18:02
Mine made a bid for freedom yesterday, very nervous about taking it up ever again:

https://www.yout ...

Maybe its switching into manual mode some how. Were you flying in NAZA or  Phantom Mode. Sounds like NAZA M with rth function unless you mean you were turning the remote home. GPS and home postion was accurately working which usally dosent in fly aways. I too have a 2+ V3, so makes me nervious
2015-2-10
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andrew.packetlo
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scom20.gmail Posted at 2015-2-11 11:54
Maybe its switching into manual mode some how. Were you flying in NAZA or  Phantom Mode. Sounds lik ...

Naza mode, switched S1 to RTH.

Believe me it makes me nervous too! I came very close to losing it and it proves all the changes to the the v3 revision of the phantom hasn't solved the problem and probably will affect the inspire too.

I was going to switch to a H4-3D gimbal but it's not worth the risk so DJI you have lost out on the £££ due to your faulty products and its only a matter of time until somebody gets hurt by a flyaway.
2015-2-11
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allenlastinger.
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Andrew, it sounds to me as iff you are getting hit with some other signals nearby.
2015-2-11
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bjr981s
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It is possibly a problem with the transmitter but I doubt it.

Check the transmitter calibrations as was suggested above and check that the switches are operating as expected.

The difference between normal flying and Return To Home is that the onboard flight unit ignores transmitter input other than the S1 switch.

The behaviour of your Phantom in tumbling from the sky at first before it starts to stabilise would take manual mode non stabilisation to be activated to allow it to deviate so far off stable flight.

So to me it would be an issue that relates to a glitch in the stabilisation unit. Hardware or Firmware is not obvious.

I still suspect that there are power related issues in the Phantom design that relate to the power draw from the Camera Gimbals.

I think I quoted that grit or sand in the gimbal has the potential to cause this issues in a previous post on flyaways.

Given you took off from the sand and the rotors do kick up quite a lot of debris I am suspicious, but not convinced that this is what you experienced.

Cheers
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cheers
   
2015-2-12
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