Today's Message Index:
----------------------
1. 03:41 AM - Re: Mag Ground (Clive Richards)
2. 07:17 AM - Re: Exhaust spring wear (Roger Lee)
3. 08:29 AM - Re: Re: Exhaust spring wear (Gordon)
4. 11:13 AM - Re: Fw: Kolb-List: hanger break-in (Noel Loveys)
Message 1
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Vic
I read someware this is OK provided the mags are grounded
to prevent plugs firing and you have a seperate start button, as it is
the much high voltage generated if a plug cannot fire which causes the
damage and is the reason not to use a standard mag selector switch such
as in a Cesna .
Clive
From: Richard Girard
To: rotaxengines-list@matronics.com
Sent: Thursday, May 19, 2011 12:27 AM
Subject: Re: RotaxEngines-List: Mag Ground
Gordon, No it's just the part of the module that gets damaged if it
attempts to fire an ungrounded spark plug.
Rick
On Wed, May 18, 2011 at 11:51 AM, Gordon <cscsail@gmavt.net> wrote:
That's interesting, so is the diode suppose to protect the
circuitry? If so it doesn't seem well thought out.
Gordon
----- Original Message -----
From: Richard Girard
To: rotaxengines-list@matronics.com
Sent: Wednesday, May 18, 2011 12:30 PM
Subject: Re: RotaxEngines-List: Mag Ground
Vic, If your ignitions are still working you got away with it.
There's a diode in the circuitry that takes the current when a plug
tries to fire ungrounded and gets cooked. With it gone the ignition will
be dead and since it's encapsulated the only fix is to replace the
ignition module.
Rick Girard
On Wed, May 18, 2011 at 8:46 AM, Vic Peters
<vicsv@myfairpoint.net> wrote:
<vicsv@myfairpoint.net>
All,
In the past I have run my 912UL without plugs and or wires not
connected to fill gas lines and bring up oil press. didn't know
it was a no no.
If I have caused a problem what would the symptoms be?
--------
Vic
912ul Xtra
Maine
Too old to cut the mustard but not the cheese.
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Message 2
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| Subject: | Re: Exhaust spring wear |
I am familiar with those other springs and they are fine. Some of you have some
excessive spring wear at 150 hrs. Thats lots of vibration pulsation going on
or just poor quality springs.
I guess the bottom line here is forget the hour time check or replacement on the
springs and keep an extra good eye on them all the time. Make sure they are
safety wired and silicone will definitely help this wear. Just a note on the silicone.
From some of the planes that come in to my shop it is evident that many
owners do not use a big enough bead down the spring or work it into the coils.
The silicone must have enough mass to do you some good. A thin bead won't
cut it.
--------
Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Repair Center
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=340390#340390
Message 3
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| Subject: | Re: Exhaust spring wear |
200+ hrs, no silicone and no signs of wear. Wondering if the silicone
prevents the springs from holding with enough force to keep them in place. I
also have so little vibration that I would not expect the springs to be and
issue, but checked yesterday after reading the post.
Gordon
----- Original Message -----
From: "Roger Lee" <ssadiver1@yahoo.com>
Sent: Thursday, May 19, 2011 10:14 AM
Subject: RotaxEngines-List: Re: Exhaust spring wear
>
> I am familiar with those other springs and they are fine. Some of you have
> some excessive spring wear at 150 hrs. Thats lots of vibration pulsation
> going on or just poor quality springs.
>
> I guess the bottom line here is forget the hour time check or replacement
> on the springs and keep an extra good eye on them all the time. Make sure
> they are safety wired and silicone will definitely help this wear. Just a
> note on the silicone. From some of the planes that come in to my shop it
> is evident that many owners do not use a big enough bead down the spring
> or work it into the coils. The silicone must have enough mass to do you
> some good. A thin bead won't cut it.
>
> --------
> Roger Lee
> Tucson, Az.
> Light Sport Repairman - Maintenance Rated
> Rotax Repair Center
> Home 520-574-1080 TRY HOME FIRST
> Cell 520-349-7056
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=340390#340390
>
>
>
Message 4
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| Subject: | Fwd: Kolb-List: hanger break-in |
Sounds like they knew exactly what they were after... The stolen property
is probably in its way out of the country by now.
Noel
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of Jack
Sent: May 18, 2011 11:37 AM
Subject: RotaxEngines-List: Fwd: Kolb-List: hanger break-in
-------- Original Message --------
Subject:
Kolb-List: hanger break-in
Tue, 17 May 2011 14:04:19 -0700
From:
Ralph B <mailto:rstar447@gmail.com> <rstar447@gmail.com>
kolb-list@matronics.com
kolb-list@matronics.com
Thought you guys might be interested in this posted on the Kolb-List.
--> Kolb-List message posted by: "Ralph B" <mailto:rstar447@gmail.com>
<rstar447@gmail.com>
I have some sad news to report. Mark's hanger at Forest Lake (25D in
Minnesota) was broken into last night and my Kolbra was targeted. The
thieves stole the engine, battery, aircraft seatbelts, and all avionics by
unbolting and cutting off the engine cable and unscrewing the panel and
cutting off the wires to all the instruments. Mark's large snowblower,
tools, and battery charger were also stolen. Mark just finished building his
new RANS S-7 and he is worried that his fuel may have been compromised
although his airplane looked intact.
They got in through the locked door and then opened the bi-fold hanger door
to bring a hoist and vehicle into the hanger. This was all done under the
cover of darkness. Mark called the police this morning and they have the
engine serial number (#4400582). The Warp Drive tapered prop was also stolen
(#T9433). The engine had a Titan exhaust system with a specially-made prop
spacer. This polished aluminum prop spacer is very large and is
one-of-a-kind.
If anyone has any information on this please contact me or local law
enforcement (651-325-6461 Forest Lake Police Department). Please be on the
lookout for anyone who has recently acquired a used 912UL 80hp engine. The
instruments, include an EIS, transponder, Microair radio, ASI, altimeter,
and compass.
I would appreciate it if you could forward this to other lists that I am not
aware of.
Here are some pictures ...
Thanks for any information about this theft,
Ralph Burlingame
Mound, Minnesota
--------
Ralph B
Original Firestar 447
N91493 E-AB
1000 hours
24 years flying it
Kolbra 912UL
N20386
3 years flying it
150 hrs
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=340179#340179
Attachments:
http://forums.matronics.com//files/what_the_panel_looked_like__786.jpg
<http://forums.matronics.com/files/what_the_panel_looked_like__786.jpg>
http://forums.matronics.com//files/missing_panel__174.jpg
<http://forums.matronics.com/files/missing_panel__174.jpg>
http://forums.matronics.com//files/missing_engine__101.jpg
<http://forums.matronics.com/files/missing_engine__101.jpg>
http://forums.matronics.com//files/kolbra_engine_stolen__104.jpg
<http://forums.matronics.com/files/kolbra_engine_stolen__104.jpg>
http://forums.matronics.com//files/everything_gone__837.jpg
<http://forums.matronics.com/files/everything_gone__837.jpg>
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