Frans Veldman a crit :
>
>
> I must say that I'm a bit surprised how many people easily modify the
> fuel system and/or electrical system, without understanding what the
> reasons were why it was designed in that specific way.
>
>
Frans and all,
During the build of our project, we made a thorough study of the
electrical system of the Rotax 914.
We discovered that in some cases true redundancy is not achieved with
the schematic provided by Rotax, because of the Rotax voltage regulator
behavior.
That's why we had to resort to dual battery installation.
Concerning the fire hazard in a crash, it is admitted that skinny hot
conductors (less than 5 amp) present relatively low risk.
Let's remember that at least one always hot conductor exists between the
master switch and the main battery contactor, though the current is
limited by the contactor coil.
Best regards,
--
Gilles
http://contrails.free.fr
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