Today's Message Index:
----------------------
0. 04:01 AM - What's My Contribution Used For? (Matt Dralle)
1. 12:32 AM - Bitcoin Financial Freedom - 8400% after 48 hours (goldbtc1)
2. 07:22 AM - A slice of history (Robert L. Nuckolls, III)
3. 09:08 AM - Re: A slice of history (Rick Beebe)
4. 11:05 AM - Need help with some Z-14 electrical system troubleshooting (Bill Watson)
5. 11:54 AM - Re: Need help with some Z-14 electrical system troubleshooting (Charlie England)
6. 11:57 AM - Re: Need help with some Z-14 electrical system troubleshooting (Ken)
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| Subject: | What's My Contribution Used For? |
Dear Listers,
Some have asked, "What's my Contribution used for?" and that's a good question.
Here are just a few examples of what your direct List support enables. It provides
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But most importantly, your List Contribution enables a forum where you and your
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or by dropping a personal check in the mail to:
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Thank you for your support!
Matt Dralle
Email List Administrator
Message 1
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| Subject: | Bitcoin Financial Freedom - 8400% after 48 hours |
Bitcoin Financial Freedom - 8400% after 48 hours
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Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=485745#485745
Message 2
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| Subject: | A slice of history |
https://youtu.be/ncUdqT8AxY0
Bob . . .
Message 3
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| Subject: | Re: A slice of history |
It was awesome being at AirVenture and watching their formation flights.
That video is a great find. Thanks.
--Rick
On 11/27/2018 10:21 AM, Robert L. Nuckolls, III wrote:
> <nuckolls.bob@aeroelectric.com>
>
>
> https://youtu.be/ncUdqT8AxY0
Message 4
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| Subject: | Need help with some Z-14 electrical system troubleshooting |
(the Z-14 has 2 buses, 2 alternators and 2 batteries - B&C alternators
and regulators, Odyssey batteries)
I regularly fly with the 2 buses not interconnected. At cruise I've
been seeing between 14.5 and 14.7 volts on both buses. I've been
running like that for over a year.
On my last flight I noticed the voltage on bus 2 dropped almost 1 volt.
It was jumping around between 13.4 and 14.0 volts. I removed various
loads to see if perhaps I had a malfunctioning component but this had no
effect.
I engaged the cross feed to connect the 2 buses. Bus 2 remained at 14
volts or less but was less jumpy staying closer to 14. Bus 1 remained
at 14.5 to 14.7.
With the cross feed engaged and Bus 2 switched off, the voltage on Bus 2
dropped to between 12.4 and 13.7
With the cross feed engaged, I pulled the CB on the bus 2 regulator
taking the #2 regulator/alternator offline. Bus 2 voltage was between
12.8 and 13.5 (bus 1 was 14.5)
I don't have a load tester but the bus 2 battery seems okay (12.78volts
with no load at 50F). It would seem that I'm getting some current from
the alternator but there has been a distinct drop in bus 2 voltage. I
would have thought that both buses would have roughly the same voltage
when interconnected with the bus 2 alternator offline.
I'm looking for some advice on troubleshooting. Thanks!
---
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Message 5
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| Subject: | Re: Need help with some Z-14 electrical system troubleshooting |
On 11/27/2018 1:04 PM, Bill Watson wrote:
> <Mauledriver@nc.rr.com>
>
> (the Z-14 has 2 buses, 2 alternators and 2 batteries - B&C alternators
> and regulators, Odyssey batteries)
>
> I regularly fly with the 2 buses not interconnected. At cruise I've
> been seeing between 14.5 and 14.7 volts on both buses. I've been
> running like that for over a year.
>
> On my last flight I noticed the voltage on bus 2 dropped almost 1
> volt. It was jumping around between 13.4 and 14.0 volts. I removed
> various loads to see if perhaps I had a malfunctioning component but
> this had no effect.
>
> I engaged the cross feed to connect the 2 buses. Bus 2 remained at 14
> volts or less but was less jumpy staying closer to 14. Bus 1 remained
> at 14.5 to 14.7.
>
> With the cross feed engaged and Bus 2 switched off, the voltage on Bus
> 2 dropped to between 12.4 and 13.7
>
> With the cross feed engaged, I pulled the CB on the bus 2 regulator
> taking the #2 regulator/alternator offline. Bus 2 voltage was between
> 12.8 and 13.5 (bus 1 was 14.5)
>
> I don't have a load tester but the bus 2 battery seems okay
> (12.78volts with no load at 50F). It would seem that I'm getting some
> current from the alternator but there has been a distinct drop in bus
> 2 voltage. I would have thought that both buses would have roughly
> the same voltage when interconnected with the bus 2 alternator offline.
>
> I'm looking for some advice on troubleshooting. Thanks!
>
Any chance you have an instrument error issue? If you put a digital
meter on each bus, what does it say? If you verify low voltage, maybe a
shorted diode in the alternator?
Charlie
---
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Message 6
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| Subject: | Re: Need help with some Z-14 electrical system troubleshooting |
Nice description. My Z14 does show both voltages the same with the
crossfeed closed as you surmise. I'd want to verify that the buss 2
voltage is accurate with a separate meter.
Next I'd physically disconnect the buss 2 alternator to see what
happens. Or measure the current from (or into) the #2 regulator or
alternator if you have a current meter. A DC Clamp ON ammeter is handy
for rough DC current measurements. (under $20. on ebay).
Ken
On 2018-11-27 2:04 p.m., Bill Watson wrote:
> <Mauledriver@nc.rr.com>
>
> (the Z-14 has 2 buses, 2 alternators and 2 batteries - B&C alternators
> and regulators, Odyssey batteries)
>
> I regularly fly with the 2 buses not interconnected. At cruise I've
> been seeing between 14.5 and 14.7 volts on both buses. I've been
> running like that for over a year.
>
> On my last flight I noticed the voltage on bus 2 dropped almost 1 volt.
> It was jumping around between 13.4 and 14.0 volts. I removed various
> loads to see if perhaps I had a malfunctioning component but this had no
> effect.
>
> I engaged the cross feed to connect the 2 buses. Bus 2 remained at 14
> volts or less but was less jumpy staying closer to 14. Bus 1 remained
> at 14.5 to 14.7.
>
> With the cross feed engaged and Bus 2 switched off, the voltage on Bus 2
> dropped to between 12.4 and 13.7
>
> With the cross feed engaged, I pulled the CB on the bus 2 regulator
> taking the #2 regulator/alternator offline. Bus 2 voltage was between
> 12.8 and 13.5 (bus 1 was 14.5)
>
> I don't have a load tester but the bus 2 battery seems okay (12.78volts
> with no load at 50F). It would seem that I'm getting some current from
> the alternator but there has been a distinct drop in bus 2 voltage. I
> would have thought that both buses would have roughly the same voltage
> when interconnected with the bus 2 alternator offline.
>
> I'm looking for some advice on troubleshooting. Thanks!
>
>
> ---
> This email has been checked for viruses by Avast antivirus software.
> https://www.avast.com/antivirus
>
>
>
>
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