Fred,
The capacitor must be attached to the output of the alternator
irrespective of the down stream items. I talked to my Rotax factory guru
"Glen" about what is necessary. As long as the cap is in the circuit,
no load is necessary for stable alternator. I run my Rotax unit with no
load and I did not want to have it not work when I needed it. Transit
glitches are best handled by the battery as you stated. So, my 40A system
is running smooth....
Yes your getting close. You will enjoy the Europa as it a nice
flying airplane. It flys like other airplanes. You know, pull the stick
back and it and things get smaller, push the stick forward and things get
bigger, :-))) But the difference is, it is one YOU made and
when fine tuned, it gets where you want smartly or cheaply by your
choice.
Jim Nelson
<fillinger@ameritech.net> writes:
> <fillinger@ameritech.net>
>
> > Doesn't Rotax specify a 50 volt cap? I would think that
> a
> > momentary spike across the cap. would be tolerated. Have you
> looked
> > at "Lectric Bobs" over voltage unit and how its wired ?
> > ...
> > Come on Fred, lets get yours in the air!!! Your are
> getting
> > close aren't you??
> >
> > Jim Nelson
>
> Yes I have the Aeroelectric circuit for PM generator OV protection.
> Rotax says 25V cap, but if a battery is connected the capacitor
> isn't
> accomplishing much. The battery should suppress any transients far
>
> better. If the battery is disconnected, then what the capacitor is
>
> intended to accomplish and what ratings are adequate is conjecture
> with
> a regulator of unknown design.
>
> I am very close to finish painting, and have just acquired a
> flatbed
> trailer. Hopefully soon now!
>
> Regards,
> Fred F.
>
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