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Re: [Paparazzi-devel] someting unpredictable

From: Todd Sandercock
Subject: Re: [Paparazzi-devel] someting unpredictable
Date: Fri, 15 Apr 2011 18:11:07 -0700 (PDT)

I have had really weird behaviour flying with electric aircraft with bad speed controllers. Running paparazzi off the same 3 cell battery as the motor was causing voltage drops that would upset the tiny 2's power supply and reset it. This happened mainly when climbing out after takeoff.... Not very fun. Lot's of modelling experience saved the day several times. I have really good quality batteries so I put it down to spikes and drops from the speed controller (some capacitors probably would have fixed the problem).

Now I run the tiny off of a separate battery and everything works a treat.


From: Michael Weigand <address@hidden>
To: address@hidden
Sent: Sat, 16 April, 2011 2:24:04 AM
Subject: Re: [Paparazzi-devel] someting unpredictable


I had a plane fall from the sky the other when I switched into AUTO1
mode and couldn't switch back out.. in AUTO1 it threw all the control
surfaces to their extreme ends (elevator down, ailerons right, rudder
right) and the plane locked up and nose-dived. I suspect my problem
might be related to my thermopile sensors not being correctly aligned
(the wiki is pretty vague on it..), but I still can't figure out why
manual control didn't restore after I switched back..


On Fri, Apr 15, 2011 at 4:24 AM, GARCIA ALVAREZ, ANA
<address@hidden> wrote:
> Hi Roman,
> I have had the same problems you are relating. My RC link frequency was
> 35Mhz. I have recently moved to 2.4GHz and apparently I have no “automatic”
> mode switch.
> As to the GPS, I had accuracy problems related to the fact that my 2.4GHz
> modem was close to the GPS receiver.
> Ana
> _______________________________________________
> Paparazzi-devel mailing list
> address@hidden

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