Today's Message Index:
----------------------
1. 03:53 AM - Re: Re: AC tug (rd2)
2. 09:49 AM - Re: AC tug (GLEN MATEJCEK)
3. 06:28 PM - Strange voltage regulator issue... (andymeyer)
4. 07:15 PM - Re: Strange voltage regulator issue... (user9253)
5. 07:29 PM - Volt meter (Daryl Thompson)
6. 07:33 PM - Re: Strange voltage regulator issue... (Charlie England)
Message 1
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I wasn't familiar with scooters. Now I see a number with 2 12 V batteries - some
in parallel, some in series.
----- Original Message -----
From: mikepienaar09@gmail.com
Sent: Sat, 13 Mar 2021 18:30:39 -0500 (EST)
Subject: RE: AeroElectric-List: Re: AC tug
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-->My scooter is 24 VI only have a 12 V charger so that adds a small inconvenienceKeep
well From: owner-aeroelectric-list-server@matronics.com <owner-aeroelectric-list-server@matronics.com>
On Behalf Of rd2
Sent: March 13, 2021 6:05 AM
Subject: Re: AeroElectric-List: Re: AC tug Thanks. However they are 12V and I am
on 24V. ----- Original Message -----
From: GLEN MATEJCEK <fly4grins@gmail.com>
Sent: Sat, 13 Mar 2021 08:01:26 -0500 (EST)
Subject: AeroElectric-List: Re: AC tug Another data point is that you can rig
a ground power cable to a scooter to jump start your plane if needed. Those
scooter batteries pack a lot of power.
Message 2
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The several I have seen had two large AGM's in series, and crank an R-2800
at an amazing speed.
>Subject: Re: AeroElectric-List: Re: AC tug
>
>Thanks. However they are 12V and I am on 24V.
On Sun, Mar 14, 2021 at 7:39 AM AeroElectric-List Digest Server <
aeroelectric-list@matronics.com> wrote:
> *
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> AeroElectric-List Digest Archive
> ---
> Total Messages Posted Sat 03/13/21: 5
> ----------------------------------------------------------
>
>
> Today's Message Index:
> ----------------------
>
> 1. 05:02 AM - Re: AC tug (GLEN MATEJCEK)
> 2. 05:46 AM - Re: Re: AC tug (Ken Ryan)
> 3. 05:46 AM - Re: Re: AC tug (Ken Ryan)
> 4. 06:05 AM - Re: Re: AC tug (rd2)
> 5. 03:31 PM - Re: Re: AC tug ()
>
>
> ________________________________ Message 1
> _____________________________________
>
>
> Time: 05:02:43 AM PST US
> From: GLEN MATEJCEK <fly4grins@gmail.com>
> Subject: AeroElectric-List: Re: AC tug
>
> Another data point is that you can rig a ground power cable to a scooter to
> > jump start your plane if needed. Those scooter batteries pack a lot of
> > power.
>
> ________________________________ Message 2
> _____________________________________
>
>
> Time: 05:46:49 AM PST US
> From: Ken Ryan <keninalaska@gmail.com>
> Subject: Re: AeroElectric-List: Re: AC tug
>
> I have found myself wondering how an electric bicycle motor might be put to
> use to build a tug.
>
>
> On Sat, Mar 13, 2021 at 4:10 AM GLEN MATEJCEK <fly4grins@gmail.com> wrote:
>
> >
> >
> > Another data point is that you can rig a ground power cable to a scooter
> >> to jump start your plane if needed. Those scooter batteries pack a lot
> of
> >> power.
> >
> >
>
> ________________________________ Message 3
> _____________________________________
>
>
> Time: 05:46:56 AM PST US
> From: Ken Ryan <keninalaska@gmail.com>
> Subject: Re: AeroElectric-List: Re: AC tug
>
> I have found myself wondering how an electric bicycle motor might be put to
> use to build a tug.
>
>
> On Sat, Mar 13, 2021 at 4:10 AM GLEN MATEJCEK <fly4grins@gmail.com> wrote:
>
> >
> >
> > Another data point is that you can rig a ground power cable to a scooter
> >> to jump start your plane if needed. Those scooter batteries pack a lot
> of
> >> power.
> >
> >
>
> ________________________________ Message 4
> _____________________________________
>
>
> Time: 06:05:38 AM PST US
> From: rd2 <rd2@dejazzd.com>
> Subject: Re: AeroElectric-List: Re: AC tug
>
> Thanks. However they are 12V and I am on 24V.
> ----- Original Message -----
> From: GLEN MATEJCEK <fly4grins@gmail.com>
> Sent: Sat, 13 Mar 2021 08:01:26 -0500 (EST)
> Subject: AeroElectric-List: Re: AC tug
>
>
> Another data point is that you can rig a ground power cable to a scooter
> to jump
> start your plane if needed. Those scooter batteries pack a lot of power.
>
>
> ________________________________ Message 5
> _____________________________________
>
>
> Time: 03:31:16 PM PST US
> From: <mikepienaar09@gmail.com>
> Subject: RE: AeroElectric-List: Re: AC tug
>
> My scooter is 24 V
>
> I only have a 12 V charger so that adds a small inconvenience
>
> Keep well
>
>
> From: owner-aeroelectric-list-server@matronics.com
> <owner-aeroelectric-list-server@matronics.com> On Behalf Of rd2
> Sent: March 13, 2021 6:05 AM
> Subject: Re: AeroElectric-List: Re: AC tug
>
>
> Thanks. However they are 12V and I am on 24V.
>
>
> ----- Original Message -----
> From: GLEN MATEJCEK <fly4grins@gmail.com <mailto:fly4grins@gmail.com> >
> <mailto:aeroelectric-list@matronics.com> >
> Sent: Sat, 13 Mar 2021 08:01:26 -0500 (EST)
> Subject: AeroElectric-List: Re: AC tug
>
>
> Another data point is that you can rig a ground power cable to a scooter
> to jump start your plane if needed. Those scooter batteries pack a lot
> of power.
>
>
Message 3
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| Subject: | Strange voltage regulator issue... |
I have a 1982 Long EZ... Prestolite alternator from back in the day, along with
the original 3 wire voltage regulator with a big old cannon plug on it. From
what I can tell - fairly stock Long-EZ configuration from the books...
A few flights ago - humming along no problem at 14.4 volts... (PC680 battery). Upped it a year ago when I replaced the RG25XC. Trim pot like this under a cap... https://www.amazon.com/uxcell-Through-Hole-Trimmer-Potentiometer/dp/B008LT4IGY
Last flight, noticed voltage up around 16 volts... shut the alternator down - voltage
fell to the ~12V range and slowly fell (as expected)... Came back and landed...
Went out tonight to troubleshoot... Started up at idle and right up around 16 volts...
Started spinning the screw back in the voltage regulator and it fell from
16.5 to around 15.8, then jumped down to 13.0. Turned screw back in, climbed
to 13.7 or so, then jumped back up to 16.5 or so... Repeatable... Wierd!
Probably time to replace the voltage regulator - she's got ~40 years on her from
what I can tell. Any other thoughts?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=500978#500978
Message 4
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| Subject: | Re: Strange voltage regulator issue... |
Check all of the electrical connections in the charging system for tightness and
corrosion. The alternator on-off switch is also suspect.
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=500979#500979
Message 5
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I am wanting to install a new voltmeter in my 14V Cherokee Six. What
recommendations do you have? Where would be the best place to sample the
volts with the master switch on? Thinking maybe at the master switch
itself but when I tried that the volts read 11V on a charged battery.
Should I just come directly off the bus bar?
Message 6
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| Subject: | Re: Strange voltage regulator issue... |
On 3/14/2021 8:27 PM, andymeyer wrote:
>
> I have a 1982 Long EZ... Prestolite alternator from back in the day, along with
the original 3 wire voltage regulator with a big old cannon plug on it. From
what I can tell - fairly stock Long-EZ configuration from the books...
>
> A few flights ago - humming along no problem at 14.4 volts... (PC680 battery). Upped it a year ago when I replaced the RG25XC. Trim pot like this under a cap... https://www.amazon.com/uxcell-Through-Hole-Trimmer-Potentiometer/dp/B008LT4IGY
>
> Last flight, noticed voltage up around 16 volts... shut the alternator down -
voltage fell to the ~12V range and slowly fell (as expected)... Came back and
landed...
>
> Went out tonight to troubleshoot... Started up at idle and right up around 16
volts... Started spinning the screw back in the voltage regulator and it fell
from 16.5 to around 15.8, then jumped down to 13.0. Turned screw back in, climbed
to 13.7 or so, then jumped back up to 16.5 or so... Repeatable... Wierd!
>
> Probably time to replace the voltage regulator - she's got ~40 years on her from
what I can tell. Any other thoughts?
>
>
No experience with that particular product, but the symptom description
sounds like what a potentiometer does when it gets a 'dead spot'. It
could just have some corrosion on that area in the resistance path
inside. *Might* be cleared with a few shots of tuner cleaner &
'exercising' the control a bit. Failing that, if you know the value of
the pot & have soldering equipment, you could just replace it.
Charlie
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