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1. 08:02 AM - Re: What makes diode get warm (rvg8tor)
2. 03:47 PM - Re: Re: What makes diode get warm (Robert L. Nuckolls, III)
Message 1
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| Subject: | Re: What makes diode get warm |
Bob N.
When I looked at the B&C website for my diode the install instructions for the
diode said for an E-bus drawing more than 3 amps to mount the diode on a heat
sink, my E-bus will draw 9 amps. So I bought he diode already mounted to the
heat sink, I did not think about the fact that just mounting it to the metal panel
would provide some heat sink capability.
I have read many posts with regard to E-bus design, my goal was not to fly to my
destination if I was battery only but to be able to fly to suitable field, not
necessarily the closest field and land to make repairs. In all honesty I think
I may never see battery only when I consider the probability of losing both
main and standby alternators. I like the insurance of the standby alternator
when I consider IFR operations, this is my main reason for adding this to this
and hence my adoption of Z-12.
Thanks again for the help you provide it is much appreciated, I have been learning
a lot.
--------
Mike "Nemo" Elliott
RV-8A QB (Fuselage)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=269970#269970
Message 2
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| Subject: | Re: What makes diode get warm |
At 10:00 AM 10/29/2009, you wrote:
>
>Bob N.
>
>When I looked at the B&C website for my diode the install
>instructions for the diode said for an E-bus drawing more than 3
>amps to mount the diode on a heat sink, my E-bus will draw 9
>amps. So I bought he diode already mounted to the heat sink, I did
>not think about the fact that just mounting it to the metal panel
>would provide some heat sink capability.
>
>I have read many posts with regard to E-bus design, my goal was not
>to fly to my destination if I was battery only but to be able to fly
>to suitable field, not necessarily the closest field and land to
>make repairs. In all honesty I think I may never see battery only
>when I consider the probability of losing both main and standby
>alternators. I like the insurance of the standby alternator when I
>consider IFR operations, this is my main reason for adding this to
>this and hence my adoption of Z-12.
>
>Thanks again for the help you provide it is much appreciated, I have
>been learning a lot.
Then leave the e-bus out. There are thousands of Bonanzas,
and large Piper/Cessna singles wired like Z-12. This pre-supposes
that you're not interested in the pre-flight power up of a
comm radio before starting the engine.
Z-12 Works good, lasts a long time.
Bob . . .
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( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
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