Today's Message Index:
----------------------
1. 04:08 AM - Re: Rotax 582 voltage regulator (myrontruex)
2. 08:16 AM - Re: Rotax 582 voltage regulator (Sonja Englert)
3. 08:35 AM - Re: Rotax 582 voltage regulator (Matt Brock)
Message 1
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| Subject: | Re: Rotax 582 voltage regulator |
That symptom does not lead me to the regulator. Loss of power, if a
complete loss is something in the path from the battery is failing. Two
reasons/symptoms. A high voltage reading on the EIS indicates there is
no load on the regulator. That is it is not seeing the battery. And the
second symptom of your dash going dead also leads to a bad path.
A simple loose connection would be my first suspect. If you have a relay
in the path between the battery and dash it could be failing or have a
loose connection.
In any case this is why my radio and gps's units had battery backup.
If you have a schematic of your system it should be easy to come up with
the most likely fault point.
One trick to try to sort it out is to gently touch, tug, and tap around
to try to duplicate the dead panel issue. Be very gentle. If it is a
loose connection and some corrosion has developed then touching a loose
wire can temporarily cure the problem.
On the good side, if there was enough power to turn over the engine it
is highly unlikely the battery is defective.
From: Keith Palmer
Sent: Saturday, May 09, 2015 8:20 PM
Subject: Re: Pulsar-List: Rotax 582 voltage regulator
I have an unused 582 regulator pay the freight and you can have it !
Keith Dawson-Palmer
South Africa
On 9 May 2015 21:14, "Everett Collier" <everettmcollier@yahoo.com>
wrote:
<everettmcollier@yahoo.com>
I recently (a few months ago) installed a lithium battery in my
Pulsar. It is a lot smaller and lighter and seems to have a lot of
cranking power. Today on a short 0.5 Hr flight my panel went blank
except for my Garmin 286 which has a back up battery. This happened
when I reduced power on final. I have had the panel go dark a couple of
times before when I shut the engine off. That was a nuisance but did
not like losing it on final! After shutdown I removed the cowling but
could not find any problem. Reinstalled the cowling. The battery was
showing 12 .9 v on the EIS. I started the engine and returned directly
home, a 0.3 hr flight. Lost power briefly when I shut down at my home
hanger. On the way home so saw 16.7 v on the EIS. CLEARLY TOO HIGH. I
suspect I have a voltage regulator issue, or a bad interaction between
the regulator and the battery. Any troubleshooting suggestions? Any
way to bench test the regulator?
Everett Collier
582 Pulsar N167EC
Sent from my iPad
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Message 2
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| Subject: | Re: Rotax 582 voltage regulator |
As far as I know, lithium batteries have different charging
requirements than lead batteries. Just swapping the batteries without
adapting the way it needs to be charged may lead to a short life of
the lithium battery. That may be why Rotax does not want the use of
that battery for their engine.
For my electric tricycle, which has a lithium battery, I have a
special charger that is just for this battery.
Anyone out there with more knowledge about this issue?
Sonja
On 5/9/15, Lance Goddard <lancegoddard@mac.com> wrote:
>
> Speaking of batteries, I have a new, unopened Odyssey PC680 that I could
> bring to Lawrence if anyone would like to have it for $80.
>
> Interesting that Rotax says not to use a lithium battery in the 912iS
> installation.
>
> Lance Goddard
> On May 9, 2015, at 12:14 PM, Everett Collier wrote:
>
>> <everettmcollier@yahoo.com>
>>
>> I recently (a few months ago) installed a lithium battery in my Pulsar.
>> It is a lot smaller and lighter and seems to have a lot of cranking power.
>> Today on a short 0.5 Hr flight my panel went blank except for my Garmin
>> 286 which has a back up battery. This happened when I reduced power on
>> final. I have had the panel go dark a couple of times before when I shut
>> the engine off. That was a nuisance but did not like losing it on final!
>> After shutdown I removed the cowling but could not find any problem.
>> Reinstalled the cowling. The battery was showing 12 .9 v on the EIS. I
>> started the engine and returned directly home, a 0.3 hr flight. Lost
>> power briefly when I shut down at my home hanger. On the way home so saw
>> 16.7 v on the EIS. CLEARLY TOO HIGH. I suspect I have a voltage
>> regulator issue, or a bad interaction between the regulator and the
>> battery. Any troubleshooting suggestions? Any way to bench test the
>> regulator?
>>
>> Everett Collier
>> 582 Pulsar N167EC
>>
>> Sent from my iPad
>>
>>
>>
>>
>
>
Message 3
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| Subject: | Re: Rotax 582 voltage regulator |
Any lithium batteries have very different charge requirements to lead acid type
batteries.
You definitely need a special charger and generally these will individually charge
or 'balance' each cell, as well as cater for the different voltages etc. I
would think that any manufacturers would strongly recommend against straight
swapping lead acid for lipo batteries for very justified safety reasons.
I'm sure if you Google it you'll have enough material to read for days on why this
should not be done.
Regards,
Matt.
Original Message
From: Sonja Englert
Sent: Sunday, 10 May 2015 19:18
Reply To: pulsar-list@matronics.com
Subject: Re: Pulsar-List: Rotax 582 voltage regulator
As far as I know, lithium batteries have different charging
requirements than lead batteries. Just swapping the batteries without
adapting the way it needs to be charged may lead to a short life of
the lithium battery. That may be why Rotax does not want the use of
that battery for their engine.
For my electric tricycle, which has a lithium battery, I have a
special charger that is just for this battery.
Anyone out there with more knowledge about this issue?
Sonja
On 5/9/15, Lance Goddard <lancegoddard@mac.com> wrote:
>
> Speaking of batteries, I have a new, unopened Odyssey PC680 that I could
> bring to Lawrence if anyone would like to have it for $80.
>
> Interesting that Rotax says not to use a lithium battery in the 912iS
> installation.
>
> Lance Goddard
> On May 9, 2015, at 12:14 PM, Everett Collier wrote:
>
>> <everettmcollier@yahoo.com>
>>
>> I recently (a few months ago) installed a lithium battery in my Pulsar.
>> It is a lot smaller and lighter and seems to have a lot of cranking power.
>> Today on a short 0.5 Hr flight my panel went blank except for my Garmin
>> 286 which has a back up battery. This happened when I reduced power on
>> final. I have had the panel go dark a couple of times before when I shut
>> the engine off. That was a nuisance but did not like losing it on final!
>> After shutdown I removed the cowling but could not find any problem.
>> Reinstalled the cowling. The battery was showing 12 .9 v on the EIS. I
>> started the engine and returned directly home, a 0.3 hr flight. Lost
>> power briefly when I shut down at my home hanger. On the way home so saw
>> 16.7 v on the EIS. CLEARLY TOO HIGH. I suspect I have a voltage
>> regulator issue, or a bad interaction between the regulator and the
>> battery. Any troubleshooting suggestions? Any way to bench test the
>> regulator?
>>
>> Everett Collier
>> 582 Pulsar N167EC
>>
>> Sent from my iPad
>>
>>
>>
>>
>
>
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