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fedico94(at)mchsi.com
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 Posted: Sun May 13, 2012 5:29 pm Post subject: Z-13/8 |
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Note drawing with "main batter bus" connectoed to "endurance bus". An E-bus Alternate Feed Switch is shown on schematic. How can I place a small light bulb to indicate that the E.bus switch is closed and conducting to the E-bus ? This is for visula reminder in low light conditions that be be present as an emergency
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user9253
Joined: 28 Mar 2008
Posts: 1927
Location: Riley TWP Michigan
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| Posted: Sun May 13, 2012 11:40 pm Post subject: Re: Z-13/8 |
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| Quote: | | How can I place a small light bulb to indicate that the E.bus switch is closed |
Connect the lamp in parallel with the E-Bus Relay COIL.
Joe
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Joe Gores |
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nuckolls.bob(at)aeroelect
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| Posted: Mon May 14, 2012 5:41 am Post subject: Z-13/8 |
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At 08:29 PM 5/13/2012, you wrote:
| Quote: |
Note drawing with "main batter bus" connectoed to "endurance
bus". An E-bus Alternate Feed Switch is shown on schematic. How
can I place a small light bulb to indicate that the E.bus switch is
closed and conducting to the E-bus ? This is for visula reminder in
low light conditions that be be present as an emergency
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Not sure what the concern is. The whole idea for
the endurance bus is to keep an electrical system
failure (alternator or battery contactor) from
becoming an emergency. If the e-bus alternate feed
switch is closed, then items powered from the e-bus
remain active irrespective of conditions for the
main bus. If you've not used the e-bus alternate feed
for any particular flight, it will already be off when
you park the airplane. If you DID need the alternate
feed path for comfortable termination of flight, then
you not only need to remember to turn the alternate
feed switch off, you you have some failure issues to
repair as well.
If the alternate feed switch is inadvertently left
in the ON position after shutdown, then items feed
from the e-bus will remain powered . . . it seems
this fact would serve the same function as adding a
light to annunciate the switch position.
Bob . . .
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