bcross2160(at)rogers.com
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 Posted: Sun Mar 09, 2008 7:03 pm Post subject: Diode from the Main Bus to the Endurance Bus |
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Hi Folks
I have already one airplane flying using Bob's Z-11 architecture with
absolutely no issues. It has been great & really appreciated all the
info provided by Bob & the forum.
I do have one question. I am not questioning the wisdom of the
design but merely wondering why a diode is placed between the main
bus & the endurance bus. I realize that it is there to prevent
backfeeding from the E bus to the main bus when the master is turned
off in the case of an alternator failure etc.
However, you can easily install a 2-10 switch that could be used to set to
1/ Both buses off
2/ E bus only on, master off & all other buses turned off
3/ Main bus & E bus on with the E bus being fed through the main bus & master
Is the considered opinion of the group that a diode is more reliable
than a switch & therefore used, or, to simplify the whole design or what?
Just curious as there is a slight power loss across the diode of
course which is the only negative and think of at this point.
Thanks very much
Brian Cross
RV-8 #81844
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