Today's Message Index:
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1. 08:07 AM - Re: 914 UL 5 Year Rubber Replacement (UK LAA Specific) (Goodone)
2. 04:54 PM - 912ULS integrated alternator question (lucien)
3. 07:08 PM - Re: 912ULS integrated alternator question (Gilles Thesee)
4. 07:39 PM - Re: 914 UL 5 Year Rubber Replacement (UK LAA Specific) (Roger Lee)
5. 07:47 PM - Re: 912ULS integrated alternator question (Roger Lee)
6. 07:57 PM - Re: 912ULS integrated alternator question (lucien)
Message 1
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| Subject: | Re: 914 UL 5 Year Rubber Replacement (UK LAA Specific) |
Roger
Sure wish you lived on the east coast so that I could take my aircraft to you for
Rotax inspection and service.
Jim
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=242409#242409
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| Subject: | 912ULS integrated alternator question |
Hi all,
Posted this question also over on the Kolb list but thought I'd ask here as well
since this is the Rotax list.
I'm curious for the 912 gurus, is it ok for the integrated alternater on the 912
series to have no load on it? I just discovered last night that my reg/rect
is long since burnt out. At least for the last 3 or 4 operating hours anyway.
finally smelled a rat after yesterday's flight that the battery took a bunch of
charge where some several flights before it was still most of the way charged
after the same electrics were used. My voltage would always run low when I had
the electrics on so didn't notice it on the voltmeter either.
I checked the stator resistance with my ohmmeter according to the heavy maint.
manual and that looks correct. Also ran er up with the meter hooked to the two
generator leads and got a good 15 volts AC at high idle, on up to 25 and more
as I revved it up. So the stator appears to be undamaged.
Can't find anything in the manuals about any adverse affects of operating the alternator
with no load, which is what the case has been for a bit now. Anyone
know? I assume it's ok since it's just a coil of wire with no current flow due
to the open circuit.
Ordering new R/R on Monday...
LS
--------
LS
Titan II SS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=242446#242446
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| Subject: | Re: 912ULS integrated alternator question |
lucien a crit :
> Can't find anything in the manuals about any adverse affects of operating the
alternator with no load, which is what the case has been for a bit now. Anyone
know? I assume it's ok since it's just a coil of wire with no current flow due
to the open circuit.
>
>
Lucien,
You're right.
No problem at all running the alternator with no load.
Best regards,
--
Gilles
http://contrails.free.fr
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| Subject: | Re: 914 UL 5 Year Rubber Replacement (UK LAA Specific) |
Hi Goodone,
Thank You
--------
Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Service Center
520-574-1080
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=242466#242466
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| Subject: | Re: 912ULS integrated alternator question |
Hi Lucien,
Sounds like you did your homework and did a few checks. Looks like your good to
go and just toss another Reg/Rec in and away you go. Everything sounds ok. Depending
on how some people set up their electrical system you could damage things
(i.e. instruments, ect...) in an instance like this if you took too many short
cuts. Do you have a volt meter and/or ammeter in your plane? You should and
this most likely would have warned you right up front if the Reg/Rec failed
and went on a high charge.
--------
Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Service Center
520-574-1080
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=242467#242467
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| Subject: | Re: 912ULS integrated alternator question |
Roger Lee wrote:
> Hi Lucien,
>
> Sounds like you did your homework and did a few checks. Looks like your good
to go and just toss another Reg/Rec in and away you go. Everything sounds ok.
Depending on how some people set up their electrical system you could damage things
(i.e. instruments, ect...) in an instance like this if you took too many
short cuts. Do you have a volt meter and/or ammeter in your plane? You should
and this most likely would have warned you right up front if the Reg/Rec failed
and went on a high charge.
Yeah the plane has an EIS in it, with a voltmeter. It's on another page than the
one I monitor. Once the battery starts discharging some when I have all my electrics
on, the voltage goes down into the 11's and 12's anyway, so when I checked
it the last couple times in flight it looked normal.
I check the battery with my charger from time to time and noticed it was more discharged
than normal the last few flights. Just didn't register till last night
that I might not have had any charge....
I was concerned if the lack of load might have hurt the stator, but it doesn't
look like it. The R/R I don't care about but that stator would be an expensive
nightmare.
I probably should put in an outboard volt/ammeter so I can monitor this better....
LS
--------
LS
Titan II SS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=242468#242468
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