Today's Message Index:
----------------------
1. 02:45 AM - Re: Electrical question (Warren Hill)
2. 05:27 AM - Re: Electrical question (Justin Drafts)
3. 08:12 AM - Re: Did a stall, and engine almost quit. (Harv)
4. 08:30 AM - Re: Re: Did a stall, and engine almost quit. (Richard Goode)
5. 10:49 AM - Re: Nose leg - NANCHANG - Shimmy issue (stephen.hayne)
6. 10:58 AM - Re: Electrical question (doug sapp)
7. 11:09 AM - Re: Re: Did a stall, and engine almost quit. (Anthony Savarese)
Message 1
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| Subject: | Re: Electrical question |
Gill,
The unused switches can certainly be used for other applications. I have one assigned
the task of turning off and on an electric boost pump and another is used
for my strobes. I believe that these switches also have a built-in circuit
breaker. Was told that this is approximately 20 amps, but have not confirmed this.
It would be prudent to add an appropriate circuit breaker for each application
that the switch controls.
Warren Hill
N464TW
Mesa, AZ
> On May 13, 2019, at 10:17 PM, glipaz <glipaz@yahoo.com> wrote:
>
>
> I have an electrical question and would appreciate your advice.
> I have a Nanchang with 4 unused switches on the standard lower/horizontal switch
panel. On the left vertical side panel, I have three other switches including
a switch for the alternator, a switch for the landing light and a switch
for nav and strobe lights. Is there any reason why these can't be rewired to
use the unused switches below? For example, can the alternator be wired to the
old generator switch? Can the light switches be rewired to use the other remaining
unused switches? I'm wondering if the amperage rating is wrong and that
is why they are on a separate panel.
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=489208#489208
>
>
>
>
>
>
>
>
>
Message 2
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| Subject: | Re: Electrical question |
One very simple suggestion I would throw in from my past
frustrations/experiences, having refurbed much of my CJ6's wiring: label
label label!
It's very helpful to add small identifying labels to each wire and wire
bundle for future reference, especially if it deviates from the standard
PLAAF wire diagrams.
Future mechanics and avionics techs will surely thank you!
Justin
N280NC
Seattle WA
On Tue, May 14, 2019 at 2:19 PM Warren Hill <k7wx@earthlink.net> wrote:
>
> Gill,
>
> The unused switches can certainly be used for other applications. I have
> one assigned the task of turning off and on an electric boost pump and
> another is used for my strobes. I believe that these switches also have a
> built-in circuit breaker. Was told that this is approximately 20 amps, but
> have not confirmed this. It would be prudent to add an appropriate circuit
> breaker for each application that the switch controls.
>
> Warren Hill
> N464TW
> Mesa, AZ
>
>
> > On May 13, 2019, at 10:17 PM, glipaz <glipaz@yahoo.com> wrote:
> >
> >
> > I have an electrical question and would appreciate your advice.
> > I have a Nanchang with 4 unused switches on the standard
> lower/horizontal switch panel. On the left vertical side panel, I have
> three other switches including a switch for the alternator, a switch for
> the landing light and a switch for nav and strobe lights. Is there any
> reason why these can't be rewired to use the unused switches below? For
> example, can the alternator be wired to the old generator switch? Can the
> light switches be rewired to use the other remaining unused switches? I'm
> wondering if the amperage rating is wrong and that is why they are on a
> separate panel.
> >
> >
> >
> >
> > Read this topic online here:
> >
> > http://forums.matronics.com/viewtopic.php?p=489208#489208
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
Message 3
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| Subject: | Re: Did a stall, and engine almost quit. |
I had similar issues with my CJ, happened after about 30mins flight time and adding
power smoothed it out. Problem became worse during subsequent flights and
it turned out to be failing mag coils. I couldnt repeat the issue on the ground
even after prolonged warmup and ground running.
How long into your flight before this occurred?
I removed the old mag coils, had them both rewound and it now runs stronger than
ever.
Just my thoughts.
Maybe do a few more over airfield flights for plus 30 mins and see if it happens
again.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=489220#489220
Message 4
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| Subject: | Re: Did a stall, and engine almost quit. |
That is a classic coil problem which will only manifest itself when the engine
is hot and the heat has totally penetrated the magneto and, more specifically
the coil. It is very difficult to get the magneto sufficiently hot to have this
partial failure on the ground. And the only solution is to change the coil!
RICHARD GOODE AEROBATICS
Rhodds Farm, Lyonshall, Hereford, HR5 3LW, UK
Tel: +44 (0)1544 340120 Fax: +44 (0)1544 340129
e-mail: richard.goode@russianaeros.com
www.russianaeros.com
WORLD LEADERS IN RUSSIAN SPORTING AIRCRAFT & ENGINES
In partnership with Aerometal Kft, Hungary.
-----Original Message-----
From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Harv
Sent: 14 May 2019 16:12
Subject: Yak-List: Re: Did a stall, and engine almost quit.
I had similar issues with my CJ, happened after about 30mins flight time and adding
power smoothed it out. Problem became worse during subsequent flights and
it turned out to be failing mag coils. I couldnt repeat the issue on the ground
even after prolonged warmup and ground running.
How long into your flight before this occurred?
I removed the old mag coils, had them both rewound and it now runs stronger than
ever.
Just my thoughts.
Maybe do a few more over airfield flights for plus 30 mins and see if it happens
again.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=489220#489220
Message 5
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| Subject: | Re: Nose leg - NANCHANG - Shimmy issue |
I completely agree with Walt (out of balance tires), and have been pursuing shimmy
for over a year. I still get a little "bzzzttt" when touchdown at ~70knots,
so I keep the nose off until 60'ish.
I've statically balanced (no joy), dynamically balanced at a motorcycle shop (much
better), rebuilt the shimmy dampener complete with dunking under 5606 to remove
all bubbles, rebushed torque links, rebushed strut with new seals, checked
all pressures on all struts (went to max pressure on main struts to stop duckwalk
when carrying, ummm, heavier instructors) and tires, dynamically balanced
mains and set toe, new bearings and races. Whew. Everything feels incredibly
solid. But...
So, still hunting. Here's a few pics - the one with the cordless drill is a joke
pic! Used a Bridgeport knee mill and CNC lathe for all work.
https://drive.google.com/drive/folders/1XZZezfVFTB5tDHF4xm8E7kHwu-jMVE5e?usp=sharing
Stephen
--------
-
Dr. Stephen C. Hayne, Professor, CIS, Colorado State University
666CJA
http://selfsynchronize.com/hayne/plane/cj6.asp
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=489224#489224
Message 6
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| Subject: | Re: Electrical question |
Gil / Warren,
These ZKC switch breakers come in various amperage, 2, 5, 10, 20, and 40.
Care must be taken to make sure the proper breaker amperage matches the
equipment being installed.
Doug
On Tue, May 14, 2019 at 2:49 AM Warren Hill <k7wx@earthlink.net> wrote:
>
> Gill,
>
> The unused switches can certainly be used for other applications. I have
> one assigned the task of turning off and on an electric boost pump and
> another is used for my strobes. I believe that these switches also have a
> built-in circuit breaker. Was told that this is approximately 20 amps, but
> have not confirmed this. It would be prudent to add an appropriate circuit
> breaker for each application that the switch controls.
>
> Warren Hill
> N464TW
> Mesa, AZ
>
>
> > On May 13, 2019, at 10:17 PM, glipaz <glipaz@yahoo.com> wrote:
> >
> >
> > I have an electrical question and would appreciate your advice.
> > I have a Nanchang with 4 unused switches on the standard
> lower/horizontal switch panel. On the left vertical side panel, I have
> three other switches including a switch for the alternator, a switch for
> the landing light and a switch for nav and strobe lights. Is there any
> reason why these can't be rewired to use the unused switches below? For
> example, can the alternator be wired to the old generator switch? Can the
> light switches be rewired to use the other remaining unused switches? I'm
> wondering if the amperage rating is wrong and that is why they are on a
> separate panel.
> >
> >
> >
> >
> > Read this topic online here:
> >
> > http://forums.matronics.com/viewtopic.php?p=489208#489208
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
Message 7
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| Subject: | Re: Did a stall, and engine almost quit. |
If I may ask, who rewound the coils?
Thx
Dennis
Sent from my iPhone
> On May 14, 2019, at 11:11 AM, Harv <martin.harvey@kbr.com> wrote:
>
>
> I had similar issues with my CJ, happened after about 30mins flight time and
adding power smoothed it out. Problem became worse during subsequent flights and
it turned out to be failing mag coils. I couldnt repeat the issue on the ground
even after prolonged warmup and ground running.
>
> How long into your flight before this occurred?
>
>
> I removed the old mag coils, had them both rewound and it now runs stronger than
ever.
>
> Just my thoughts.
>
> Maybe do a few more over airfield flights for plus 30 mins and see if it happens
again.
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=489220#489220
>
>
>
>
>
>
>
>
>
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