Today's Message Index:
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1. 12:35 AM - Re: Flap Motor lack of Oomph (jerb)
2. 10:19 AM - Re: Source for Schumacher 1562A (Radioflyer)
3. 01:47 PM - Voltage measurements for Schumacher 1562A (Fisher Paul A.)
4. 03:36 PM - Re: Voltage measurements for Schumacher 1562A (Kevin Boddicker)
5. 04:07 PM - Re: Jhp 520 PTT cable (rampil)
Message 1
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Subject: | Re: Flap Motor lack of Oomph |
Sounds like you may have a lab type bench power supply, many of these
also have a current limit setting control. May be a smaller knob on
one of the larger knobs or separate, and turn like a volume
control. It could be set to limit the amount of current the power
supply would supply for testing/design applications.
jerb
At 08:05 AM 3/26/2010, you wrote:
>The Power Supply is an Astron RS-35M , 13.8v, 25 amps continuous @
>50% duty cycle. American made in Irvine CA
>
>Daniel was right. It's not a flap motor problem. The motor perked
>right up when connected to my car battery.
>
>Anyone have ideas re the power supply? There was an incident where
>the positive and negative alligator clips contacted each other. But
>the 8 amp fuse of the PS didn't blow so I thought everything was OK.
>
>J
>
>
><http://www.matronics.com/Navigator?AeroElectric-List>http://www.matronics.com/Navigator?AeroElectric-List
><http://www.matronics.com/contribution>http://www.matronics.com/contribution
>
Message 2
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Subject: | Re: Source for Schumacher 1562A |
I sent the Schumacher I was mis-trusting to Bob N. for further evaluation. He probably
has not yet received it. However, I look forward to his corroborating
my high/non-optimal voltages. So, we shall see.
--Jose
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=292088#292088
Message 3
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Subject: | Voltage measurements for Schumacher 1562A |
I realize the issue is the new model versus the old version, but I did take
some measurements that I wanted to report. I have three of the 1562A's -
all of which appear to be the "old version" with the 6V-12V switch on the f
ront panel. All of them were purchase from Wal-Mart on two different dates
. The last two were purchased in August or September of 2009.
SWC0907 SWC0701 SWC0907
Holding voltage 13.33V 13.32V 13.30V
Charging voltage 14.39V 14.54V 14.30V
The "SWC" numbers were stamped into the bottom of the case - I have no idea
if these are relevant or not, but I included it in case it made sense to s
omeone. The first charger is connected to a tractor (standard automotive t
ype battery), the second and third are in airplanes with RG batteries.
Test procedure: After the chargers had been on for over 24 hours, I took r
eadings of the holding voltages. Then I turned lights on for 2-3 minutes t
o activate the charging. After the voltages stabilized (3-5 minutes), the
voltages were recorded again.
I'm not sure if this helps anyone or not, but I at least wanted to report w
hat I found...
Paul A. Fisher
Q-200, N17PF
RV-7A, N18PF
Message 4
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Subject: | Re: Voltage measurements for Schumacher 1562A |
I too checked out the Schumacher 1562A, new version.
I have a PC680 in my plane. I flew for 2.6 hours last Sunday and did not
put the charger/maintainer on.
Today when I got the airport I first checked the voltage of the battery.
12.83 VDC. All readings were taken at the battery terminals. Next I
fired up the 1562A. Initial voltage was 14.2, then very quickly up to
14.9. After about a minute the voltage stabilized at 14.88 VDC.
Half hour later 14.86 to 14.87 VDC.
Hour one 14.83 to 14.84 VDC.
Hour two. Finally reached float at 13.4 to 13.5 VDC.
Hour three 13.45 VDC.
Test concluded. It appears to my untrained eye that the unit is
functioning properly.
Bob, please let me know if my assumptions are correct or incorrect.
Kevin Boddicker
TriQ 200 N7868B 160 hrs
Luana, IA.
On Mar 28, 2010, at 3:41 PM, Fisher Paul A. wrote:
> I realize the issue is the new model versus the old version, but I did
take some measurements that I wanted to report. I have three of the
1562A=92s ' all of which appear to be the =93old version=94 with the
6V-12V switch on the front panel. All of them were purchase from
Wal-Mart on two different dates. The last two were purchased in August
or September of 2009.
>
> SWC0907 SWC0701 SWC0907
> Holding voltage 13.33V 13.32V 13.30V
> Charging voltage 14.39V 14.54V 14.30V
>
> The =93SWC=94 numbers were stamped into the bottom of the case ' I
have no idea if these are relevant or not, but I included it in case it
made sense to someone. The first charger is connected to a tractor
(standard automotive type battery), the second and third are in
airplanes with RG batteries.
>
> Test procedure: After the chargers had been on for over 24 hours, I
took readings of the holding voltages. Then I turned lights on for 2-3
minutes to activate the charging. After the voltages stabilized (3-5
minutes), the voltages were recorded again.
>
> I=92m not sure if this helps anyone or not, but I at least wanted to
report what I found=85
>
> Paul A. Fisher
> Q-200, N17PF
> RV-7A, N18PF
>
>
>
>
>
>
Message 5
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Subject: | Re: Jhp 520 PTT cable |
As it happens, Japan Radio Corp sold this product to Rexon Tech.
It is now known as the RHP-520. You can find the users manual on the
web and download it as I did.
In a brief scan, I saw nothing about the PTT jack or any detail about
headset operation. The headset adapter cable I have does not split out
a ptt jack
The RHP nee RHP is a great little radio IMHO!
--------
Ira N224XS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=292139#292139
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