Re: [Paparazzi-devel] Electrical connections in the airborne equipment.

[antoine drouin]

Hi Helge

We know for experience that 4 micro servos on the twog supply, on a
not too fast plane work ( we did that alot on our own twinstar ), but
I thing this really is the upper limit, the supply on the twog is
rated 2 amps, above that, it shuts down. I would advice to move all
the servos supply to the external bec as it's always unpleasant to
have the autopilot reboot in flight.

Regards

Poine

On Tue, Jul 13, 2010 at 12:45 AM, Helge Walle <address@hidden> wrote:
> By reading the postings about surging behaviour I am getting a little unsure
> if the connections in my TwinstarII are sensible.
>
> At the moment they are as follows:
>
>
>
> - TWOG is supplied directly from the 3000mAh 3S lipo, which is the only
> battery in the plane.
>
> - The AC4790 modem is powered by the TWOG 5V supply. I use only Quarter
> power output (25mW Conducted).
>
> - Only the throttle signal lead and ground is connected between the TWOG and
> the motor ESC’s.
>
> - A BEC in the plane powers the 2.4GHz RC receiver and ppm encoder.
>
> - The four mini servos are powered by the TWOG 5V supply.
>
>
>
> Would it be better if I remove the + lead between the TWOG and the servos
> and instead power the servos with a + lead from the BEC ?
>
>
>
> Or should I just try my current setup first? I now have my son home on
> vacation to help me with the tuning so I expect to try Auto flight Shortly.
>
>
>
> Thanks,
>
> Helge.
>
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