Concerned about reliability. Switch to APM?

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Concerned about reliability. Switch to APM?

Postby Rilot » Mon Sep 09, 2013 10:35 am

I've already had one flyaway with my Phantom, which luckily only resulted in a broken prop and cracked case, but I'm now concerned about the reliability of the Naza M.
I have a Naza M V1 in my F550 and I'm seriously considering changing to APM 2.6 after several people on this forum have reported F550 crashes recently that aren't attributed to pilot error.
The Phantom is a toy and I can afford to lose it but the F550 represents a significant investment in time and money. My confidence in the Naza has been knocked.

I accept that crashes happen. I spent years flying TREX450s so I appreciate that the second I raise the throttle from the stop, it could be the last time I see my bird in one piece, but all of my crashes in helis can be attributed to pilot error. With the Naza's reported flyaways (and the one I had with my Phantom) there seems to be nothing one can do to stop it once it starts.

I've google "APM flyaway" but I get very few results, the majority of which are the multi doing something weird when flying to a waypoint.
Google "Naza flyaway" and you get hundreds of results.

Has anyone made the switch to the APM? Regret it? Like it?
DJI S800 EVO - A2, iOSD, X140BS gimbal, 2.4GHz ground station.
DJI Phantom 2 - H3-2D, Immersion vTx, iOSD Mini
DJI F550 - Naza V2, H3-2D, iOSD Mini, Graupner 9x5.
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Re: Concerned about reliability. Switch to APM?

Postby Slartibartfast » Mon Sep 09, 2013 11:04 am

Thinking about doing the same myself. I posted on DIYDRONES asking for opinions on switching and got a mixed response, some yes and some no. From what I have gathered the APM is not a plug & play like the NAZA, and you will need more setup, but once you have it dialed in the results are excellent. There is a guy on utube, Peter King, who sells 450/550's fitted with APM quite cheap and puts his parameter files on Google for all to access, so plenty of help available.

From what I have discovered all APM flyaways can be attributed to user error, bad GPS, vibration etc
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Re: Concerned about reliability. Switch to APM?

Postby Rilot » Mon Sep 09, 2013 11:19 am

I appreciate that there is more work to setting up the APM. I'm not afraid of this at all. Although with the newer firmware a lot of the configurations seem to work reasonably well out of the box.
I've watched Peter King's setup videos and nothing looks too daunting.
DJI S800 EVO - A2, iOSD, X140BS gimbal, 2.4GHz ground station.
DJI Phantom 2 - H3-2D, Immersion vTx, iOSD Mini
DJI F550 - Naza V2, H3-2D, iOSD Mini, Graupner 9x5.
FrSky Taranis
http://www.rilot.co.uk - Achieve an elevated view
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Re: Concerned about reliability. Switch to APM?

Postby Slartibartfast » Mon Sep 09, 2013 3:30 pm

It seems as long as you get a good compasmot & your vibration is within the recommended range you are good to go.
Pity DJI haven't incorporated something like the 'ring fence' I think that would solve many of the so called fly always :)
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Re: Concerned about reliability. Switch to APM?

Postby Rilot » Mon Sep 09, 2013 6:35 pm

I think I'm going to just do it. I can sell my Naza + GPS for more than the APM 2.5 + GPS + Telemetry + PMU costs anyway.
DJI S800 EVO - A2, iOSD, X140BS gimbal, 2.4GHz ground station.
DJI Phantom 2 - H3-2D, Immersion vTx, iOSD Mini
DJI F550 - Naza V2, H3-2D, iOSD Mini, Graupner 9x5.
FrSky Taranis
http://www.rilot.co.uk - Achieve an elevated view
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Re: Concerned about reliability. Switch to APM?

Postby Rilot » Tue Sep 10, 2013 9:39 am

I bought the following:

APM 2.6
Ublox GPS
PMU
3DR Telemetry module
MinimOSD

Should be fun configuring it all but TBH it seems fairly straightforward. Certainly the MinimOSD looks much more simple as it pulls all it's data directly from the APM.
DJI S800 EVO - A2, iOSD, X140BS gimbal, 2.4GHz ground station.
DJI Phantom 2 - H3-2D, Immersion vTx, iOSD Mini
DJI F550 - Naza V2, H3-2D, iOSD Mini, Graupner 9x5.
FrSky Taranis
http://www.rilot.co.uk - Achieve an elevated view
User avatar
Rilot
 
Posts: 388
Joined: Mon Sep 09, 2013 8:45 am

Re: Concerned about reliability. Switch to APM?

Postby Slartibartfast » Tue Sep 10, 2013 10:21 am

Looks good, let us know how you get on!
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Posts: 363
Joined: Sat Jun 08, 2013 4:29 pm
Location: High Wycombe, Bucks


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