Today's Message Index:
----------------------
1. 06:11 AM - Missing Man for my Father in Law (Ernest Martinez)
2. 06:13 AM - Re: Missing Man for my Father in Law (Ernest Martinez)
3. 09:47 AM - Re: Battery Charging CJ-6 (in this case Yak's) (Bitterlich, Mark G CIV NAVAIR, WD)
4. 12:14 PM - Re: Re: Battery Charging CJ-6 (in this case Yak's) (Dr. Herbert Coussons)
Message 1
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| Subject: | Missing Man for my Father in Law |
I'm reaching out to you all in the Cleveland Ohio area. My father in Law
Robert D. Shea passed away recently and we will be having a ceremony at
KCGF which is named after him.
I would mean a lot to the family if we could get a missing man over the
field during the ceremony. His Obit is below.
*Robert D. Shea, 93, died Saturday, June 14, 2017 in Ocala, Fl. surrounded
> by family. *
>
> *He leaves behind his 4 children Robert Jr, John, Mary and Tom.*
>
> * Born in Cleveland, son of Margarite (Mitchell) and Patrick Shea, he was
> a longtime resident of Gates Mills, OH *
>
> * He served as an Army Air Corps pilot during WWII and went on to graduate
> from Ohio University in 1948. After the war he dedicated his life to
> aviation, first as a Flight Instructor in the Air Force reserve from
> 1946-1948 and in 1949 opened the Cuyahoga County Airport and served as
> airport manager for 42 years. *
>
> *In 1963 Robert was the Recipient of the Air Force Association Aero Space
> Award and 1990 Recipient of the American Association of Airport Managers
> Distinguished Service Award. He was beloved member of the QB Society for 40
> years. *
>
* He continued to serve the aviation community as:*
>
>
> * - President of the Ohio Airport Managers Association from 1976 thru 1977
- President of the Cleveland National Air Show from 1983 thru 1987; -
Vice-President of the Air Show Foundation; - Member of the Advisory
Committee at Ohio University - Aviation Department; *
>
>
> * - Executive member of the American Association of Airport Executives;
> *
>
> *On October 13, 1991 Robert retired after 42 years of dedicated service
> from the county. In tribute, the Board of Cuyahoga County Commissioners
> dedicated his name to Cuyahoga County Airport which is now also known as
> ROBERT D. SHEA FIELD.*
>
Please contact me offline.
Thanks
Ernie
Message 2
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| Subject: | Re: Missing Man for my Father in Law |
Forgot to add.. the date of the ceremony will be Mon Aug 14th in the AM.
On Mon, Jul 17, 2017 at 9:11 AM, Ernest Martinez <erniel29@gmail.com> wrote:
> I'm reaching out to you all in the Cleveland Ohio area. My father in Law
> Robert D. Shea passed away recently and we will be having a ceremony at
> KCGF which is named after him.
>
> I would mean a lot to the family if we could get a missing man over the
> field during the ceremony. His Obit is below.
>
> *Robert D. Shea, 93, died Saturday, June 14, 2017 in Ocala, Fl. surrounded
>> by family. *
>>
>> *He leaves behind his 4 children Robert Jr, John, Mary and Tom.*
>>
>> * Born in Cleveland, son of Margarite (Mitchell) and Patrick Shea, he was
>> a longtime resident of Gates Mills, OH *
>>
>> * He served as an Army Air Corps pilot during WWII and went on to
>> graduate from Ohio University in 1948. After the war he dedicated his life
>> to aviation, first as a Flight Instructor in the Air Force reserve from
>> 1946-1948 and in 1949 opened the Cuyahoga County Airport and served as
>> airport manager for 42 years. *
>>
>> *In 1963 Robert was the Recipient of the Air Force Association Aero Space
>> Award and 1990 Recipient of the American Association of Airport Managers
>> Distinguished Service Award. He was beloved member of the QB Society for 40
>> years. *
>>
>
> * He continued to serve the aviation community as:*
>
>>
>>
>>
>>
>>
>>
>>
>>
>> * - President of the Ohio Airport Managers Association from 1976 thru
> 1977 - President of the Cleveland National Air Show from 1983 thru 1987; -
> Vice-President of the Air Show Foundation; - Member of the Advisory
> Committee at Ohio University - Aviation Department; *
>>
>>
>>
>>
>> * - Executive member of the American Association of Airport Executives;
>> *
>>
>> *On October 13, 1991 Robert retired after 42 years of dedicated service
>> from the county. In tribute, the Board of Cuyahoga County Commissioners
>> dedicated his name to Cuyahoga County Airport which is now also known as
>> ROBERT D. SHEA FIELD.*
>>
> Please contact me offline.
>
> Thanks
>
> Ernie
>
Message 3
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| Subject: | Re: Battery Charging CJ-6 (in this case Yak's) |
To add to what Chris said:
On all of the YAK aircraft I have worked on, the electrical junction boxes are
very close to identical. The way they operate is pretty simple as regards power,
and this will answer your question in more detail.
In the cockpit, the Master Power Switch has three positions. Up is battery power.
Middle is OFF. Down is Ground Power. This switch controls TWO identical
relays in the main electrical panel, one of which connects battery power to
the main electrical bus, and one that connects external power to the main electrical
bus. This is an "either/or" situation, as it is wired, meaning you cannot
connect external power to the aircraft and have it charge the battery.
To the electrical guru's out there, the fact that these two relays are identical
is important to know. They tend to fail now and then, and when that happens
to the one that connects the battery to the aircrafts electrical bus, you will
lose all electrical power, but it can be insidious. If this relay fails
in flight, the generator will pick up the load, and you will never really know
it happened. As soon as you bring the engine to idle, you will lose all electrical
power for the aircraft, run the engine back up and you will get power back
again. The trick is this, since the ground power relay is exactly the same,
you carry a spare with you at all times! You can just switch them, and you're
back in business. The down side is that this electrical panel is difficult
to get to and work on and in the long run it is usually easier to just remove
the complete panel and work on it outside of the aircraft.
Going back to charging the battery, yes ... the external power relay could be re-wired
so that when you connected a charger to the external power connector,
it would close the external power relay and instead of powering the aircraft,
would send the power directly to the battery for charging. Wiring it like that
would keep battery power off the external power connector unless you had the
charger attached. However, the danger to that approach is that if someone connected
"true external high current power" to that connector, you could end up
having unlimited charging current going to your battery, which would not only
ruin them, but also would gas them and possibly split the case. This could end
up being an example of what Chris was talking about! Very much less than good.
In the long run I'd advise against that method, it's an accident waiting to happen,
which I would guess is why the original design did not allow it. In my experience
the Russians did everything for a reason, usually very good ones.
I did see a neat trick done by the previous owner of my SM1019. He took the excellent
"Battery Minder" brand of battery charger, and actually mounted it in
the battery compartment semi-permanently. He then wired in a permanent 115 VAC
female plug (with rubber cover) directly through the aircraft. Yes, he cut
a round hole where you can take a 115 VAC extension cord, remove the cover on
the aircraft, and then plug the 115 VAC extension cord right into the aircraft!
The Battery Minder then gets powered up and charges your battery. I think
that was a brilliant idea actually, and I wish I had thought of it!
Lastly, I agree with Chris when charging batteries "in situ" but with a Battery
Minder properly connected, it checks battery temperature plus controls charging
current plus pulses the battery after charging with a 3 MHz pulse extending
the life of the plates, so to a large degree, safety is in the design.
Mark
-----Original Message-----
From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Looigi
Sent: Sunday, July 16, 2017 6:45 PM
Subject: [Non-DoD Source] Yak-List: Re: Battery Charging CJ-6
Hi there,
I can't speak for the CJ, but on the Yak.... No.
The aircraft can take power from the Battery OR the ground power socket. this
would imply that you can't poke power back the other way from the ground power
socket to the battery.
You could possibly put a separate charging plug hot wired to the battery, but for
my money I would just drop the hatch and connect directly to the battery.
I get nervous charging batteries in situ.... better have them where you can see
them and with a bit of ventilation. I know they are charged in the air in their
enclosure, but with a system designed for that purpose. I have seen the
results of an overcharged battery on a charger and believe me when I tell you
that you would want that as far away from your plane as possible!
My two cents,
Chris
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=471074#471074
Message 4
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| Subject: | Re: Battery Charging CJ-6 (in this case Yak's) |
I agree w Mark on the top quality battery minder. I would charge in vivo (Physician)
After owning turboprops and having friends w jets, The very expensive batteries
will list 2-3x longer with a battery minder.
I would not mount the battery minder in the plane though. It comes with a pigtail
that can attached to the battery and run to a convenient access point.
Be sure to get 12v or 28v as it may apply. The other difference in models is amperage.
If I recall they come in 2A and 8A. If the batteries are healthy to
begin with I believe the 2A is sufficient.
On the other hand, I have wired a 115 ac male mounted on the back of the cowl louvers
on my TW to plug in the heater pads on the engine and oil tank.
Herb
> On Jul 17, 2017, at 11:46 AM, Bitterlich, Mark G CIV NAVAIR, WD <mark.bitterlich@navy.mil>
wrote:
>
>
> To add to what Chris said:
>
> On all of the YAK aircraft I have worked on, the electrical junction boxes are
very close to identical. The way they operate is pretty simple as regards
power, and this will answer your question in more detail.
>
> In the cockpit, the Master Power Switch has three positions. Up is battery power.
Middle is OFF. Down is Ground Power. This switch controls TWO identical
relays in the main electrical panel, one of which connects battery power
to the main electrical bus, and one that connects external power to the main electrical
bus. This is an "either/or" situation, as it is wired, meaning you
cannot connect external power to the aircraft and have it charge the battery.
>
> To the electrical guru's out there, the fact that these two relays are identical
is important to know. They tend to fail now and then, and when that happens
to the one that connects the battery to the aircrafts electrical bus, you
will lose all electrical power, but it can be insidious. If this relay fails
in flight, the generator will pick up the load, and you will never really know
it happened. As soon as you bring the engine to idle, you will lose all electrical
power for the aircraft, run the engine back up and you will get power
back again. The trick is this, since the ground power relay is exactly the
same, you carry a spare with you at all times! You can just switch them, and
you're back in business. The down side is that this electrical panel is difficult
to get to and work on and in the long run it is usually easier to just remove
the complete panel and work on it outside of the aircraft.
>
> Going back to charging the battery, yes ... the external power relay could be
re-wired so that when you connected a charger to the external power connector,
it would close the external power relay and instead of powering the aircraft,
would send the power directly to the battery for charging. Wiring it like that
would keep battery power off the external power connector unless you had the
charger attached. However, the danger to that approach is that if someone
connected "true external high current power" to that connector, you could end
up having unlimited charging current going to your battery, which would not only
ruin them, but also would gas them and possibly split the case. This could
end up being an example of what Chris was talking about! Very much less than
good.
>
> In the long run I'd advise against that method, it's an accident waiting to happen,
which I would guess is why the original design did not allow it. In my
experience the Russians did everything for a reason, usually very good ones.
>
> I did see a neat trick done by the previous owner of my SM1019. He took the
excellent "Battery Minder" brand of battery charger, and actually mounted it in
the battery compartment semi-permanently. He then wired in a permanent 115
VAC female plug (with rubber cover) directly through the aircraft. Yes, he cut
a round hole where you can take a 115 VAC extension cord, remove the cover on
the aircraft, and then plug the 115 VAC extension cord right into the aircraft!
The Battery Minder then gets powered up and charges your battery. I think
that was a brilliant idea actually, and I wish I had thought of it!
>
> Lastly, I agree with Chris when charging batteries "in situ" but with a Battery
Minder properly connected, it checks battery temperature plus controls charging
current plus pulses the battery after charging with a 3 MHz pulse extending
the life of the plates, so to a large degree, safety is in the design.
>
> Mark
>
>
>
> -----Original Message-----
> From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Looigi
> Sent: Sunday, July 16, 2017 6:45 PM
> To: yak-list@matronics.com
> Subject: [Non-DoD Source] Yak-List: Re: Battery Charging CJ-6
>
>
> Hi there,
>
> I can't speak for the CJ, but on the Yak.... No.
>
> The aircraft can take power from the Battery OR the ground power socket. this
would imply that you can't poke power back the other way from the ground power
socket to the battery.
>
> You could possibly put a separate charging plug hot wired to the battery, but
for my money I would just drop the hatch and connect directly to the battery.
I get nervous charging batteries in situ.... better have them where you can
see them and with a bit of ventilation. I know they are charged in the air in
their enclosure, but with a system designed for that purpose. I have seen the
results of an overcharged battery on a charger and believe me when I tell you
that you would want that as far away from your plane as possible!
>
> My two cents,
> Chris
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=471074#471074
>
>
>
>
>
>
>
>
>
>
>
>
>
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