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gordonrsmith921@yahoo.com
Joined: 06 Oct 2009
Posts: 24
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 Posted: Mon Jun 21, 2010 7:24 am Post subject: Z Figure Inconsistencies |
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I find some inconsistencies regarding E-Bus feeds and I can’t understand the physics that might drive the decision for these differences. Or are they just items that need to be updated in the future?
- The wire from the E-Bus Alternate Feed Switch (or relay) to the E-Bus:
In most cases this wire connects to the E-Bus directly at the bolt, with no protection between the E-Bus bolt and the other end. In two cases it is different. In Z10-8 it connects at the E-Bus through a fuse on the E-Bus. In Z13-8 it connects to the E-Bus bolt through a Fuselink at the bolt. It seems to me that this wire will likely be more than 6 inches (especially when coming from a panel mounted switch). It seems to me that this wire should be protected at the E-Bus when the E-Bus is hot from the Main Bus Feed and the E-Bus Alternate Feed is open. However, I don’t know which is the favored method (Fuse or Fuselink).
- The wire from the Main Bus to the E-Bus main feed Diode:
In all cases except one this wire comes directly from the Main Bus Bolt to the Diode, with no protection (in most cases it is marked to be less than 6 inches). In the Z19 figures, this wire comes from the Main Bus through a fuse on the Main Bus and then to the main feed Diode. Is this because it is assumed that this wire will likely be longer than 6 inches? If the E-Bus and Main Bus could be close to each other and the Diode could this wire be as in the other Z figures?
Gordon Smith
[quote][b]
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nuckolls.bob(at)aeroelect
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| Posted: Thu Jun 24, 2010 4:06 am Post subject: Z Figure Inconsistencies |
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At 10:15 AM 6/21/2010, you wrote:
| Quote: | I find some inconsistencies regarding E-Bus feeds and I can’t understand the physics that might drive the decision for these differences. Or are they just items that need to be updated in the future?
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Gordon, the answer to your question will take some time
and I'm up to my eyeballs in garage sale management for
the next three days. I've got your query on the list of
things to do.
Bob . . .
////
(o o)
===========o00o=(_)=o00o=========
< Go ahead, make my day . . . >
< show me where I'm wrong. >
=================================
[quote][b]
| | - The Matronics AeroElectric-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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gordonrsmith921@yahoo.com
Joined: 06 Oct 2009
Posts: 24
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| Posted: Thu Jun 24, 2010 4:43 am Post subject: Z Figure Inconsistencies |
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RESEND – Originally sent on 21 June.
I find some inconsistencies regarding E-Bus feeds and I can’t understand the physics that might drive the decision for these differences. Or are they just items that need to be updated in the future?
- The wire from the E-Bus Alternate Feed Switch (or relay) to the E-Bus:
In most cases this wire connects to the E-Bus directly at the bolt, with no protection between the E-Bus bolt and the other end. In two cases it is different. In Z10-8 it connects at the E-Bus through a fuse on the E-Bus. In Z13-8 it connects to the E-Bus bolt through a Fuselink at the bolt. It seems to me that this wire will likely be more than 6 inches (especially when coming from a panel mounted switch). It seems to me that this wire should be protected at the E-Bus when the E-Bus is hot from the Main Bus Feed and the E-Bus Alternate Feed is open. However, I don’t know which is the favored method (Fuse or Fuselink).
- The wire from the Main Bus to the E-Bus main feed Diode:
In all cases except one this wire comes directly from the Main Bus Bolt to the Diode, with no protection (in most cases it is marked to be less than 6 inches). In the Z19 figures, this wire comes from the Main Bus through a fuse on the Main Bus and then to the main feed Diode. Is this because it is assumed that this wire will likely be longer than 6 inches? If the E-Bus and Main Bus could be close to each other and the Diode could this wire be as in the other Z figures?
Gordon Smith
[quote][b]
| | - The Matronics AeroElectric-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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