alt switc
Mmmm thanks
So where did the question come from?
I have a 912 turbo with a skyview.
About once a flight my amps go up off the chart - 70a - ending up with a
red x on the screen (no sparks or smoke :-)). After which the instrument
comes alive and the amps reduce to normal 7-10 depending on the load. And
remain normal thereafter.
When the amps are climbing the reading can be "reset" by turning off the
alternator and then turning it back in again.
I have a hall effect sensor on the thick wire which charges the battery and
this changes very little as on would expect.
I asked the europa and the aeroelectric forums and dynon. Several people
said they had similar events. So having checked the wiring i assumed
that this was a dynon bug.
AND ....I always understood that the alternator was unable to produce more
than 18A hence people adding external alternator. But is thus a fair
assumption?
Could it be a faulty regulator?
Will
William Daniell
+1 786 878 0246
On Wed, May 13, 2020, 06:41 Gilles Thesee <gilles@elixir-aircraft.com>
wrote:
> Le 13/05/2020 =C3- 04:17, William Daniell a =C3=A9crit :
>
>
> *Fortunately my 912 turbo will run at low boost on just the mechanical
> pump so i am not electrically dependant.*
>
> *On another note what is the max possible amps produced by the rotax alt?
*
>
>
> Will,
>
> We found that the alternator can easily supply its short circuit limit
> current of 21A without thermal distress.
> The limiting item is the voltage regulator.
>
>
> --
> Best regards,
> Gilles
> http://contrails.free.fr
> http://lapierre.skunkworks.free.fr
>
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