Today's Message Index:
----------------------
0. 12:13 AM - Please Make a Contribution to Support Your Lists... (Matt Dralle)
1. 05:17 AM - Re: 912 oil filters (Roger Roy)
2. 05:25 AM - Re: Rectifier-Regulator (jackandval)
3. 05:43 AM - Re : Re: Rectifier-Regulator (Gilles.Thesee@ac-grenoble.fr)
4. 06:33 AM - Re: Re: Rectifier-Regulator (paul wilson)
5. 06:44 AM - Re : Re: Rectifier-Regulator (Gilles.Thesee@ac-grenoble.fr)
6. 06:51 AM - Re: 912 oil filters (Ivor Phillips)
7. 08:23 AM - Re: 912 oil filters (Bayne)
8. 08:52 AM - Re: Re : Re: Rectifier-Regulator (Noel Loveys)
9. 08:53 AM - Re: Re: Rectifier-Regulator (Noel Loveys)
10. 09:13 AM - Re : Re: Re : Re: Rectifier-Regulator (Gilles.Thesee@ac-grenoble.fr)
11. 09:49 AM - Re: Re : Re: Re : Re: Rectifier-Regulator (Noel Loveys)
12. 12:05 PM - CHT markings for Rotax 503 DCSI (cristalclear13)
13. 02:55 PM - Re: Rectifier-Regulator (jackandval)
14. 04:59 PM - Re: 912 oil filters (BOB MCMILLIN)
15. 05:50 PM - Re: 912 oil filters (Hugh)
16. 06:27 PM - Re: CHT markings for Rotax 503 DCSI (ElleryWeld@aol.com)
17. 06:30 PM - Re: 912 oil filters (rlborger)
18. 07:02 PM - Re: CHT markings for Rotax 503 DCSI (cristalclear13)
19. 07:51 PM - Re: Re: CHT markings for Rotax 503 DCSI (ElleryWeld@aol.com)
20. 08:01 PM - Re: 912 oil filters (Hugh)
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| Subject: | Please Make a Contribution to Support Your Lists... |
Just a reminder that November is the Annual List Fund Raiser. Please make a Contribution
today to support the continued operation and upgrade of these great
List services!! And pick up a really nice free gift with your qualifying Contribution
too!
The Contribution Site is fast and easy:
http://www.matronics.com/contribution
Thank you!
Matt Dralle
Matronics Email List Administrator
Message 1
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| Subject: | Re: 912 oil filters |
Bob, there is no such product listed using the PN 1002, where to
buy?......RJ
----- Original Message -----
From: BOB MCMILLIN<mailto:rmcmill@zoominternet.net>
To:
rotaxengines-list@matronics.com<mailto:rotaxengines-list@matronics.com>
Sent: Saturday, November 17, 2007 11:19 PM
Subject: Re: RotaxEngines-List: 912 oil filters
<rmcmill@zoominternet.net<mailto:rmcmill@zoominternet.net>>
jack k&n 1002 and also can be safety wired
----- Original Message -----
From: "Jack Kuehn" <jack.kuehn@gmail.com<mailto:jack.kuehn@gmail.com>>
To:
<rotaxengines-list@matronics.com<mailto:rotaxengines-list@matronics.com>>
Sent: Saturday, November 17, 2007 9:13 PM
Subject: RotaxEngines-List: 912 oil filters
> <jack.kuehn@gmail.com<mailto:jack.kuehn@gmail.com>>
>
> What's the latest on using automotive oil filters on a 912UL? Is
> there a K&N that is of high enough quality and proper fit?
>
> Jack
>
>
>
>
>
http://www.matronics.com/contribution<http://www.matronics.com/contributi
on>
http://www.matronics.com/Navigator?RotaxEngines-List<http://www.matronics
com/Navigator?RotaxEngines-List>
Message 2
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| Subject: | Re: Rectifier-Regulator |
In cruise @5200 RPM the voltmeter indicates about 13.5 to 14.0.
If I load the system down, lights, radio,and strobes the amp meter will go from
20 amps to about 10 amps.
Yes the capacitor is correct. No loose connections and good ground.
Battery after flight was checked a few hours later and reads 11.8 or 9
which sort of makes the battery suspect?
But my question was how do you test the regulator??????
Thanks,
Jack
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=146838#146838
Message 3
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| Subject: | Re: Rectifier-Regulator |
> In cruise @5200 RPM the voltmeter indicates about 13.5 to 14.0.
Those numbers are exactly within specs.
>
> If I load the system down, lights, radio,and strobes the amp meter
> will go from 20 amps to about 10 amps.
Looks normal.
But it seems like a lot of loads : one must not get carried away with lights, strobes,
bells and whistles. 12 amps is about the maximum current draw one must
ask from the Rotax alternator/regulator to achieve adequate life expectancy.
>
> Yes the capacitor is correct. No loose connections and good ground.
>
> Battery after flight was checked a few hours later and reads 11.8
> or 9
> which sort of makes the battery suspect?
Oh yes. A correctly charged recombinant gas battery must read about 12.8 V after
sitting for some hours.
>
> But my question was how do you test the regulator??????
The easiest way is to monitor the voltage during normal operation.
Otherwise you need a special bench, like we set up to conduct our Rotax & Schicke
regulator investigations :
http://contrails.free.fr/elec_ducati_en.php
But what makes you think there is something wrong with your regulator ?
Best regards,
Gilles
http://contrails.free.fr
>
Message 4
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| Subject: | Re: Rectifier-Regulator |
You do NOT have a regulator issue. You do might have a bad battery
since the voltage is so low.
IMO, cover up the amp meter and pay attention to the voltmeter. If
the voltage stays as you indicated all is well with the alternator
and regulator.
After flight a good battery should read above ~12.7+ and as high as
13.5+ Of course if you are exceeding the alternator capability then
the battery would not be fully charged. and could account for low
batt voltage. Do the following on your next flight: Operate with the
lowest electrical load you can and then check the batt volts an hour
after flight then again in 24 hours. If the batt stays above ~12.7,
then the batt is ok and you are just overloading he wimpy Rotax
alternator. You could also verify the batt is good with an overnight
charge at the 2 amp rate then wait 24 hours for it to loose its
surface charge then see what the voltage is.
Paul
===============
At 05:25 AM 11/18/2007, you wrote:
>
>In cruise @5200 RPM the voltmeter indicates about 13.5 to 14.0.
>
>If I load the system down, lights, radio,and strobes the amp meter
>will go from 20 amps to about 10 amps.
>
>Yes the capacitor is correct. No loose connections and good ground.
>
>Battery after flight was checked a few hours later and reads 11.8 or 9
>which sort of makes the battery suspect?
>
>But my question was how do you test the regulator??????
>
>Thanks,
>Jack
>
>
>Read this topic online here:
>
>http://forums.matronics.com/viewtopic.php?p=146838#146838
>
>
Message 5
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| Subject: | Re: Rectifier-Regulator |
----- Message d'origine -----
De: jackandval <jackry@alltel.net>
>
> But my question was how do you test the regulator??????
Jack,
Saw your post on the Zenith List Forum. Let's quickly review the physics of the
Rotax alternator system.
The alternator provides electricity when the magnets rotate in front of the stator
coils. Supplied AC voltage is dependant on RPM and can climb as high as 80-100
V.
The regulator is there to :
- Rectify the current to make itDC current
- Regulate the voltage so that is stay in the 13.5-14.5 range when RPM is sufficient.
IF the system overcharges - which yours doesn't, but let's pretend- the regulator
will supply voltage ABOVE the rated voltage, let's say 15, 16....40 volts.
In this case, the REGULATOR is faulty, and obviously the alternator is working.
IF the alternator were faulty, it just COULDN'T supply electricity. In this case
your system would be UNDERcharging.
A quick AC voltage measurement between the yellow alternator leads will tell the
story.
Hope this helps,
Best regards,
Gilles
http://contrails.free.fr
Message 6
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I believe he meant HP1002
-----Original Message-----
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of Roger
Roy
Sent: 18 November 2007 13:18
Subject: Re: RotaxEngines-List: 912 oil filters
Bob, there is no such product listed using the PN 1002, where to
buy?......RJ
----- Original Message -----
From: BOB <mailto:rmcmill@zoominternet.net> MCMILLIN
Sent: Saturday, November 17, 2007 11:19 PM
Subject: Re: RotaxEngines-List: 912 oil filters
<rmcmill@zoominternet.net>
jack k&n 1002 and also can be safety wired
----- Original Message -----
From: "Jack Kuehn" <jack.kuehn@gmail.com>
Sent: Saturday, November 17, 2007 9:13 PM
Subject: RotaxEngines-List: 912 oil filters
> <jack.kuehn@gmail.com>
>
> What's the latest on using automotive oil filters on a 912UL? Is
> there a K&N that is of high enough quality and proper fit?
>
> Jack
>
>
> p; -- Please Support Your Lists This Month (And Get the Annual
link Free title=http://www.matronics.com/contribution
href="http://www.matronics.com/contribution">http://www.matronics.com/c
Thank you for your generous ; -Matt Dralle, List
nbsp; Features Chat, --> http://www.p;
<http://www.matronics.com/Navigator?RotaxEngines-List> via the Web
title=http://forums.matronics.com/
href="http://forums.matronics.com">http://forums.matronics.com
Message 7
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| Subject: | Re: 912 oil filters |
Try K&N p/n hp-1002 .
http://www.knfilters.com/search/product.aspx?Prod=HP-1002
----- Original Message -----
From: Roger Roy
To: rotaxengines-list@matronics.com
Sent: Sunday, November 18, 2007 5:17 AM
Subject: Re: RotaxEngines-List: 912 oil filters
Bob, there is no such product listed using the PN 1002, where to
buy?......RJ
----- Original Message -----
From: BOB MCMILLIN
To: rotaxengines-list@matronics.com
Sent: Saturday, November 17, 2007 11:19 PM
Subject: Re: RotaxEngines-List: 912 oil filters
<rmcmill@zoominternet.net>
jack k&n 1002 and also can be safety wired
----- Original Message -----
From: "Jack Kuehn" <jack.kuehn@gmail.com>
To: <rotaxengines-list@matronics.com>
Sent: Saturday, November 17, 2007 9:13 PM
Subject: RotaxEngines-List: 912 oil filters
> <jack.kuehn@gmail.com>
>
> What's the latest on using automotive oil filters on a 912UL? Is
> there a K&N that is of high enough quality and proper fit?
>
> Jack
>
>
>
>
> p; -- Please Support Your Lists This Month (And Get the Annual
link Free title=http://www.matronics.com/contribution
href="http://www.matronics.com/contribution">http://www.matronics.com/c
Thank you for your generous ; -Matt Dralle, List
nbsp; Features Chat, --> http://www.p; via the Web
title=http://forums.matronics.com/
href="http://forums.matronics.com">http://forums.matronics.com
-------------------------------------------------------------------------
-----
11/17/2007 2:55 PM
Message 8
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| Subject: | Re: Rectifier-Regulator |
In Canada a certified airplane is allowed 100% of the load to a charging
system if a load meter is installed. Without the load meter only 80% of
capacity (in amps) is allowed.
Our planes are not certified and as such are not governed by the regulations
but the practice may be a good idea.
Output of the Rotax internal generator is 18A. 80% of that is 14.4A. That
is the greatest load I expect you would want to put on your buss and still
have a margin of safety.
Noel
>
> Looks normal.
> But it seems like a lot of loads : one must not get carried
> away with lights, strobes, bells and whistles. 12 amps is
> about the maximum current draw one must ask from the Rotax
> alternator/regulator to achieve adequate life expectancy.
Message 9
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| Subject: | Re: Rectifier-Regulator |
The test for the regulator is to use a voltmeter... You're past that stage.
The generator has to put out a voltage above that of the battery,
theoretically 12 V. to allow the battery enough EMF to charge. Most
regulators are set to 13.8V., rounded off that's 14V which is what the
certified planes rate their busses.
Sounds to me like your regulator/rectifier is doing just fine.
Noel
> -----Original Message-----
> From: owner-rotaxengines-list-server@matronics.com
> [mailto:owner-rotaxengines-list-server@matronics.com] On
> Behalf Of jackandval
> Sent: Sunday, November 18, 2007 9:56 AM
> To: rotaxengines-list@matronics.com
> Subject: RotaxEngines-List: Re: Rectifier-Regulator
>
>
> <jackry@alltel.net>
>
> In cruise @5200 RPM the voltmeter indicates about 13.5 to 14.0.
>
> If I load the system down, lights, radio,and strobes the amp
> meter will go from 20 amps to about 10 amps.
>
> Yes the capacitor is correct. No loose connections and good ground.
>
> Battery after flight was checked a few hours later and reads 11.8 or 9
> which sort of makes the battery suspect?
>
> But my question was how do you test the regulator??????
>
> Thanks,
> Jack
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=146838#146838
>
>
>
>
>
>
>
>
>
>
>
Message 10
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| Subject: | Re: Rectifier-Regulator |
Output of the Rotax internal generator is 18A. 80% of that is
> 14.4A. That
> is the greatest load I expect you would want to put on your buss
> and still
> have a margin of safety.
Noel,
Experience from the field and from the lab seems to indicate that 12 A permanent
load is the most one should expect from the Rotax Ducati regulator to avoid
overheating and self-destruction.
So we'd better keep the loads to a minimum.
Best regards,
--
Gilles
http://contrails.free.fr
Message 11
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| Subject: | Re: Rectifier-Regulator |
In this case I agree.... Go with the experience and limit the load to 12A
maximum. If you need more capacity than that, install a larger alternator.
2A @ 12V may not seem to be very much.... Until you see how that can burn a
wire.
Thanks
Noel
> -----Original Message-----
> From: owner-rotaxengines-list-server@matronics.com
> [mailto:owner-rotaxengines-list-server@matronics.com] On
> Behalf Of Gilles.Thesee@ac-grenoble.fr
> Sent: Sunday, November 18, 2007 1:43 PM
> To: rotaxengines-list@matronics.com
> Subject: Re : RE: Re : RotaxEngines-List: Re: Rectifier-Regulator
>
>
>
>
> Output of the Rotax internal generator is 18A. 80% of that is
> > 14.4A. That
> > is the greatest load I expect you would want to put on your buss
> > and still
> > have a margin of safety.
>
> Noel,
>
> Experience from the field and from the lab seems to indicate
> that 12 A permanent load is the most one should expect from
> the Rotax Ducati regulator to avoid overheating and self-destruction.
>
> So we'd better keep the loads to a minimum.
>
> Best regards,
> --
> Gilles
>
> http://contrails.free.fr
>
>
>
>
>
>
Message 12
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| Subject: | CHT markings for Rotax 503 DCSI |
Hi. I have a Kolb Twinstar Mark II with a Rotax 503 DCSI. I am trying to find
the values to mark (green, red, yellow) my dual CHT.
Also is there some website where I could download a manual for this engine?
I looked for the technical specs on rotax-owner.com, but when I went to the 2-stroke
selection, nothing came up.
[Question]
--------
Cristal
Mark II Twinstar
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=146923#146923
Message 13
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| Subject: | Re: Rectifier-Regulator |
Thanks Guys! I think your right that it is the battery. I am charging the battery
and will see what it reads tomorrow.
Jack
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=146959#146959
Message 14
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| Subject: | Re: 912 oil filters |
get them at advanced auto parts
----- Original Message -----
From: Roger Roy
To: rotaxengines-list@matronics.com
Sent: Sunday, November 18, 2007 8:17 AM
Subject: Re: RotaxEngines-List: 912 oil filters
Bob, there is no such product listed using the PN 1002, where to
buy?......RJ
----- Original Message -----
From: BOB MCMILLIN
To: rotaxengines-list@matronics.com
Sent: Saturday, November 17, 2007 11:19 PM
Subject: Re: RotaxEngines-List: 912 oil filters
<rmcmill@zoominternet.net>
jack k&n 1002 and also can be safety wired
----- Original Message -----
From: "Jack Kuehn" <jack.kuehn@gmail.com>
To: <rotaxengines-list@matronics.com>
Sent: Saturday, November 17, 2007 9:13 PM
Subject: RotaxEngines-List: 912 oil filters
> <jack.kuehn@gmail.com>
>
> What's the latest on using automotive oil filters on a 912UL? Is
> there a K&N that is of high enough quality and proper fit?
>
> Jack
>
>
>
>
> p; -- Please Support Your Lists This Month (And Get the Annual
link Free title=http://www.matronics.com/contribution
href="http://www.matronics.com/contribution">http://www.matronics.com/c
Thank you for your generous ; -Matt Dralle, List
nbsp; Features Chat, --> http://www.p; via the Web
title=http://forums.matronics.com/
href="http://forums.matronics.com">http://forums.matronics.com
Message 15
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Bob:
Your comment is well taken, however, you and Roger Lee seem to be on
opposite sides of the fence on the matter of using automotive oil filters
for the Rotax 912 UL. Check the Archive for this subject on this forum or
drop him a note directly. The date of his comments is 12/29/06 on the Rotax
engine forum. In his comments he states that the Purolator 1, PL10241 has a
bypass rating of 12 psi. I do not know what the by-pass relief valve setting
in psi is on the Rotax filter. Can you shed more light on this for all of
us?
Hugh McKay in NC
Allegro 2000
912 UL
N661WW
_____
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of rlborger
Sent: Saturday, November 17, 2007 9:24 PM
Subject: Re: RotaxEngines-List: 912 oil filters
Jack,
It's a serious No-No. You do NOT EVER want to use an automotive oil filter
in the Rotax engine. The issue isn't filtration but pressure relief valve
setting. Automotive filters have a much lower pressure relief valve which
will allow dirty oil back into the engine before filter change time.
Resulting damage will make a real Rotax oil filter seem dirt cheap.
Good building and great flying,
Bob Borger
Europa Kit #A221 N914XL, XS Mono, Intercooled 914, Airmaster C/S
http://www.europaowners.org/N914XL
(90%) tail kit done, wings closed, cockpit module installed, pitch system
in, landing gear frame in, rudder system in, outrigger mod in, Fuselage Top
on, lift/drag/flap pins in, wing incidence set, tie bar in, flap drive in,
Mod 70 done. Baggage bay in. Flaps & Main Gear complete. Mod 72 complete.
Instrument panel complete, except for testing. Rotax 914 installed (for the
3rd time). Airmaster Prop installed. Electrical complete, except for
testing. Fuel system complete except for testing. Working in - 32 Tail, 34
Door Latches & 35 Doors, 37 Interior & Finishing. Airmaster arrived 29 Sep
05. Seat arrived from Oregon Aero. E04 interior kit has arrived and is being
installed.
3705 Lynchburg Dr.
Corinth, TX 76208
Home: 940-497-2123
Cel: 817-992-1117
On Nov 17, 2007, at 8:13 PM, Jack Kuehn wrote:
What's the latest on using automotive oil filters on a 912UL? Is
there a K&N that is of high enough quality and proper fit?
Jack
Message 16
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| Subject: | Re: CHT markings for Rotax 503 DCSI |
Get a CPS Catalog California Power Systems book all Rotax engine info is in
there
Ellery in Maine
do not archive
Message 17
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| Subject: | Re: 912 oil filters |
Hugh,
These are experimental aircraft. You can use whatever you want. I
took the Rotax 9xx course through Lockwood Aviation. Champion makes
the filters for Rotax. They look like the plain vanilla atuo
filters. They are NOT the same as the automotive filters. I do not
remember the exact pressure specs for the Rotax filter right now.
But we were told that, if you choose to use the automotive filter,
you run the distinct risk of running bypassed (unfiltered) oil back
into your engine. If I can come up with the bypass pressure numbers
for the Rotax filter I'll pass them along. Personally, I'll pay the
extra $ for the Rotax filter.
I agree with Giles' post. If you really want to save money flying,
throttle back. It'll only cost 5 kts but save you more money in
lower fuel consumption and less wear on the engine.
As they say in the filter commercial: "You pays your money and you
takes your chances."
Check six,
Bob Borger
On Nov 18, 2007, at 7:50 PM, Hugh wrote:
> Bob:
>
>
> Your comment is well taken, however, you and Roger Lee seem to be
> on opposite sides of the fence on the matter of using automotive
> oil filters for the Rotax 912 UL. Check the Archive for this
> subject on this forum or drop him a note directly. The date of his
> comments is 12/29/06 on the Rotax engine forum. In his comments he
> states that the Purolator 1, PL10241 has a bypass rating of 12 psi.
> I do not know what the by-pass relief valve setting in psi is on
> the Rotax filter. Can you shed more light on this for all of us?
>
>
> Hugh McKay in NC
>
> Allegro 2000
>
> 912 UL
>
> N661WW
>
>
> From: owner-rotaxengines-list-server@matronics.com [mailto:owner-
> rotaxengines-list-server@matronics.com] On Behalf Of rlborger
> Sent: Saturday, November 17, 2007 9:24 PM
> To: rotaxengines-list@matronics.com
> Subject: Re: RotaxEngines-List: 912 oil filters
>
>
> Jack,
>
>
> It's a serious No-No. You do NOT EVER want to use an automotive oil
> filter in the Rotax engine. The issue isn't filtration but pressure
> relief valve setting. Automotive filters have a much lower pressure
> relief valve which will allow dirty oil back into the engine before
> filter change time. Resulting damage will make a real Rotax oil
> filter seem dirt cheap.
>
>
> Good building and great flying,
>
> Bob Borger
>
> Europa Kit #A221 N914XL, XS Mono, Intercooled 914, Airmaster C/S
>
> http://www.europaowners.org/N914XL
>
> (90%) tail kit done, wings closed, cockpit module installed, pitch
> system in, landing gear frame in, rudder system in, outrigger mod
> in, Fuselage Top on, lift/drag/flap pins in, wing incidence set,
> tie bar in, flap drive in, Mod 70 done. Baggage bay in. Flaps &
> Main Gear complete. Mod 72 complete. Instrument panel complete,
> except for testing. Rotax 914 installed (for the 3rd time).
> Airmaster Prop installed. Electrical complete, except for testing.
> Fuel system complete except for testing. Working in - 32 Tail, 34
> Door Latches & 35 Doors, 37 Interior & Finishing. Airmaster arrived
> 29 Sep 05. Seat arrived from Oregon Aero. E04 interior kit has
> arrived and is being installed.
>
> 3705 Lynchburg Dr.
>
> Corinth, TX 76208
>
> Home: 940-497-2123
>
> Cel: 817-992-1117
>
>
> On Nov 17, 2007, at 8:13 PM, Jack Kuehn wrote:
>
>
> <jack.kuehn@gmail.com>
>
>
> What's the latest on using automotive oil filters on a 912UL? Is
>
> there a K&N that is of high enough quality and proper fit?
>
>
> Jack
>
>
> http://www.matronics.com/contribution
> http://www.matronics.com/Navigator?RotaxEngines-List
> http://forums.matronics.com
>
> ============================================================ _-
> forums.matronics.com_-
> ===========================================================
>
Message 18
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| Subject: | Re: CHT markings for Rotax 503 DCSI |
Thanks Ellery. I did get a new CPS catalog this week. I am seeing on page 25
the "Specifications and Technical Data" for the 503 Dual Ignition Engine. However
there is no mention there of CHT or EGT values.
On page 205 under the "Instruments" section it states that optimum heat range is
from 225F to 375F. I don't know if that would be my green markings on the CHT
gauge because when I look at this website:
http://www.ultralightnews.com/engineinfo/chtwirdia.htm
It says:
"Normally a Rotax air cooled engine should read between 350F to 375F on a cylinder
head temperature gauge (CHT) ."
(That's quite a big difference for normal range!...so which one is right?)
I believe 400F would be my red marking because both the book and the website list
potential problems if the temp exceeds 400F.
--------
Cristal
Mark II Twinstar
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=147020#147020
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| Subject: | Re: CHT markings for Rotax 503 DCSI |
I really like to see anywhere in the range of 225 F to 375 F Depending on the
air Temp You will be flying in I have seen it in the mid 235 F on real cold
in the single number temp days, or even on a hot day pulling the power back
and putting your plane into a long dive will make your CHT drop a lot faster
than it should Just keep it in between the 225 and the 375 F and you should be
OK But I wouldn't let it get any lower than 225F because then you will be
having Cold seizers (Cylinder Contracting faster than the piston and seizing
the piston inside the Cylinder) your correct for the Red Line of 400 F Never
exceed this temp Your aluminum parts are very close to the melting point and I
don't think I have to explain what will happen then
When I got my airworthy inspection done I only had a Red line Mark on CHT and
EGT Tach etc. that was all that was required but on your Airspeed You
should have Your Green Safe operating range, Redline Never exceed, White Flap
range ,Yellow Caution MAX Maneuvering speed, Redline VNE never exceed Speed
I am not an expert Just into alot of flying and Building Aircraft ,this is
worth what you paid for it
Ellery in Maine Building Mk3Xtra, X-Air, Rans S-6, Thorp, Sky Ranger,
Highlander,
do not archive
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Bob:
I agree, it is not worth the risk. I would like to know what the pressure
specs are for the Rotax filter. Any way of getting this?
Hugh
_____
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of rlborger
Sent: Sunday, November 18, 2007 9:29 PM
Subject: Re: RotaxEngines-List: 912 oil filters
Hugh,
These are experimental aircraft. You can use whatever you want. I took the
Rotax 9xx course through Lockwood Aviation. Champion makes the filters for
Rotax. They look like the plain vanilla atuo filters. They are NOT the same
as the automotive filters. I do not remember the exact pressure specs for
the Rotax filter right now. But we were told that, if you choose to use the
automotive filter, you run the distinct risk of running bypassed
(unfiltered) oil back into your engine. If I can come up with the bypass
pressure numbers for the Rotax filter I'll pass them along. Personally, I'll
pay the extra $ for the Rotax filter.
I agree with Giles' post. If you really want to save money flying, throttle
back. It'll only cost 5 kts but save you more money in lower fuel
consumption and less wear on the engine.
As they say in the filter commercial: "You pays your money and you takes
your chances."
Check six,
Bob Borger
On Nov 18, 2007, at 7:50 PM, Hugh wrote:
Bob:
Your comment is well taken, however, you and Roger Lee seem to be on
opposite sides of the fence on the matter of using automotive oil filters
for the Rotax 912 UL. Check the Archive for this subject on this forum or
drop him a note directly. The date of his comments is 12/29/06 on the Rotax
engine forum. In his comments he states that the Purolator 1, PL10241 has a
bypass rating of 12 psi. I do not know what the by-pass relief valve setting
in psi is on the Rotax filter. Can you shed more light on this for all of
us?
Hugh McKay in NC
Allegro 2000
912 UL
N661WW
_____
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of rlborger
Sent: Saturday, November 17, 2007 9:24 PM
Subject: Re: RotaxEngines-List: 912 oil filters
Jack,
It's a serious No-No. You do NOT EVER want to use an automotive oil filter
in the Rotax engine. The issue isn't filtration but pressure relief valve
setting. Automotive filters have a much lower pressure relief valve which
will allow dirty oil back into the engine before filter change time.
Resulting damage will make a real Rotax oil filter seem dirt cheap.
Good building and great flying,
Bob Borger
Europa Kit #A221 N914XL, XS Mono, Intercooled 914, Airmaster C/S
<http://www.europaowners.org/N914XL> http://www.europaowners.org/N914XL
(90%) tail kit done, wings closed, cockpit module installed, pitch system
in, landing gear frame in, rudder system in, outrigger mod in, Fuselage Top
on, lift/drag/flap pins in, wing incidence set, tie bar in, flap drive in,
Mod 70 done. Baggage bay in. Flaps & Main Gear complete. Mod 72 complete.
Instrument panel complete, except for testing. Rotax 914 installed (for the
3rd time). Airmaster Prop installed. Electrical complete, except for
testing. Fuel system complete except for testing. Working in - 32 Tail, 34
Door Latches & 35 Doors, 37 Interior & Finishing. Airmaster arrived 29 Sep
05. Seat arrived from Oregon Aero. E04 interior kit has arrived and is being
installed.
3705 Lynchburg Dr.
Corinth, TX 76208
Home: 940-497-2123
Cel: 817-992-1117
On Nov 17, 2007, at 8:13 PM, Jack Kuehn wrote:
<mailto:jack.kuehn@gmail.com> jack.kuehn@gmail.com>
What's the latest on using automotive oil filters on a 912UL? Is
there a K&N that is of high enough quality and proper fit?
Jack
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