Today's Message Index:
----------------------
1. 03:15 AM - Re: 912ULS integrated alternator question (icrashrc)
2. 07:30 AM - Re: 912ULS integrated alternator question (lucien)
3. 10:17 AM - Re: Re: 912ULS integrated alternator question (Gilles Thesee)
4. 11:52 AM - Soft start (rparigor@suffolk.lib.ny.us)
5. 12:07 PM - Re: Soft start (Craig Payne)
6. 12:47 PM - Re: 912ULS integrated alternator question (lucien)
7. 01:28 PM - Re: Soft start (Kevin Klinefelter)
8. 03:48 PM - Re: Soft start (Mark Burton)
9. 05:33 PM - Re: 912ULS integrated alternator question (Hugh)
10. 07:52 PM - Re: Soft start (Matt Tucciarone)
Message 1
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| Subject: | Re: 912ULS integrated alternator question |
I just saw a similar problem in a 912 powered Alegro. The charging system seemed
to have problems keeping the voltage up at anything less than cruise power.
Finally the charging system quit working. After the regulator was replaced all
was much better, even the low voltage at low rpm issue. I wouldn't be surprised
if your low voltage problems went away as well. The Alegro has 2 glass panels,
electric fuel pump, landing lights, strobes, transponder, gps, etc, etc, etc.
and can maintain reasonable voltage levels... now.
--------
Scott
www.ill-EagleAviation.com
do not archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=242481#242481
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| Subject: | Re: 912ULS integrated alternator question |
icrashrc wrote:
> I just saw a similar problem in a 912 powered Alegro. The charging system seemed
to have problems keeping the voltage up at anything less than cruise power.
Finally the charging system quit working. After the regulator was replaced all
was much better, even the low voltage at low rpm issue. I wouldn't be surprised
if your low voltage problems went away as well. The Alegro has 2 glass panels,
electric fuel pump, landing lights, strobes, transponder, gps, etc, etc,
etc. and can maintain reasonable voltage levels... now.
In my case, it appeared some solder had dribbled into the spade connector on one
of the battery leads (the one going to B+ on the R/R) so it never correctly
connected to the R/R. I figure it finally just came off inside the connector creating
an open circuit and blowing the regulator.
BTW, is there a better quality R/R we can use instead of the Ducati one? For 170
bucks a pop, they shouldn't blow so easily and often.....
LS
--------
LS
Titan II SS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=242490#242490
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| Subject: | Re: 912ULS integrated alternator question |
lucien a crit :
> BTW, is there a better quality R/R we can use instead of the Ducati one? For
170 bucks a pop, they shouldn't blow so easily and often.....
>
Have you considered the Schicke GR6 ?
http://contrails.free.fr/elec_ducati_en.php
Best regards,
--
Gilles
http://contrails.free.fr
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Does anyone have first hand experiance using a soft start module on a
914? (912 or 92S?)
Which ignition did you install it on?
Do you notice any difficulties? Actual benefits?
Thx.
Ron Parigoris
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Did you see the video on Rotax-owner demonstrating and reviewing it?
http://rotaxowner.com/exp/ssm-MAIN.htm
-- Craig
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of
rparigor@suffolk.lib.ny.us
Sent: Sunday, May 03, 2009 12:52 PM
Subject: RotaxEngines-List: Soft start
Does anyone have first hand experiance using a soft start module on a 914?
(912 or 92S?)
Which ignition did you install it on?
Do you notice any difficulties? Actual benefits?
Thx.
Ron Parigoris
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| Subject: | Re: 912ULS integrated alternator question |
Gilles.Thesee(at)ac-greno wrote:
> lucien a crit :
>
> > BTW, is there a better quality R/R we can use instead of the Ducati one? For
170 bucks a pop, they shouldn't blow so easily and often.....
> >
> >
> >
>
> Have you considered the Schicke GR6 ?
> http://contrails.free.fr/elec_ducati_en.php
>
> Best regards,
> --
> Gilles
> http://contrails.free.fr
Hi Gilles,
Er, are these available in the US? I couldn't find any source for it here. Looks
like a nice regulator tho...
LS
--------
LS
Titan II SS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=242524#242524
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No experience with it but we did discuss the Soft Start module at the
Rotax course I just attended at Rotech in Vernon BC. They said it is not
needed on the 914 compared to the 912S due to the lower compression
ratio.
Kevin
----- Original Message -----
From: rparigor@suffolk.lib.ny.us
To: rotax engines
Sent: Sunday, May 03, 2009 11:51 AM
Subject: RotaxEngines-List: Soft start
Does anyone have first hand experiance using a soft start module on a
914? (912 or 92S?)
Which ignition did you install it on?
Do you notice any difficulties? Actual benefits?
Thx.
Ron Parigoris
Message 8
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Hi Ron,
I have to own up to having a commercial interest in the SSM (I manufacture them
for ConAir). As I already have more than enough work in the pipeline I wont
try to convince you to buy one, but...
My old 912 (not an S) over the years has occasionally kicked back but with the
SSM fitted it now starts with much less fuss (and doesn't kick back).
With the SSM it kinda lumbers into life in a lazy fashion and then as the SSM becomes
inactive it perks up (I normally wait till the ignition has advanced before
switching the second ignition on).
As for issues, you have to ensure that everything is right (battery state, ignition
gap, carb balance, etc.) otherwise you're wasting your money fitting a SSM.
I don't know why but some engines just don't seem to need the SSM while others
do. If you haven't experienced any problems yet I would wait and see. If you get
kickbacks and everything else is looking right, perhaps you should fit one.
Cheers,
Mark
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=242553#242553
Message 9
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| Subject: | 912ULS integrated alternator question |
Lucien:
My only comment about this is you can place in the Rotax circuitry a small
red light (mounted on the panel) that will alert you if the regulator is not
charging the battery (i.e. bad regulator). In fact, this light is shown on
the simplified wiring diagram in the Rotax 912 Installation Manual on page
46 of 66. If that red light comes on you are operating off of the remaining
charge in the battery, and not charging it. Guys, if I am incorrect in my
understanding of this please let me know. In other words if you are flying
along and this light comes on, the battery is not being charged by the
engine and you should land.
Hugh
-----Original Message-----
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of lucien
Sent: Saturday, May 02, 2009 7:53 PM
Subject: RotaxEngines-List: 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
Checked by AVG - www.avg.com
14:23:00
Message 10
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I have talked to some who have used them. They seem to like the way it
starts. I also talked to Phil Lockwood at Sun and Fun and of course he
recommended it. Even if you do not have the kick back problem, it should
help on the wear and tear of your engine, sprag clutch and gear box.
I use an Odyssey 925 battery and with the high torque starter, the cranking
amps just really spin the 912s. So it kind of plows through the rough start
up that some engines have and that mine used to have.
I have an Aventura II and the battery is in the nose, far from then engine
which is mounted as a pusher on top of the plane. I use #4 gauge starter
cable because of the distance. This is also important.
_____
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of
rparigor@suffolk.lib.ny.us
Sent: Sunday, May 03, 2009 2:52 PM
Subject: RotaxEngines-List: Soft start
Does anyone have first hand experiance using a soft start module on a 914?
(912 or 92S?)
Which ignition did you install it on?
Do you notice any difficulties? Actual benefits?
Thx.
Ron Parigoris
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