Today's Message Index:
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1. 05:34 AM - Re: True Rotax brand oil filters (Rich L)
2. 05:38 AM - Rotax 912 (Tommy Walker)
3. 01:52 PM - Re: Re: True Rotax brand oil filters (george may)
4. 07:24 PM - Re: True Rotax brand oil filters (Roger Lee)
5. 07:55 PM - Re: Re: True Rotax brand oil filters (Bill and Marsha)
6. 09:24 PM - Re: True Rotax brand oil filters (Roger Lee)
Message 1
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| Subject: | Re: True Rotax brand oil filters |
As usual I end up with parts I cant use. Trying to save a buck, I bought 10 Challanger
Oil Filters for my 912uls. After reading what Ron and Rotax has to say
about them, I am going to make a planter out of them. SOB!
Rich
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=177592#177592
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Hi,
I'm looking for a used Rotax 912. Either 80 or 100 HP for a new project
If any of you run across one, please let me know.
Many thanks,
Tommy Walker
N8701 - 912ULS
52 Hours
Message 3
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| Subject: | Re: True Rotax brand oil filters |
Roger--
Thanks for posting this information. I've been looking for a possible sub
stitue for the Rotax filter. I see you indicated that the construction of t
hese substitutes is the equivalent or better, but can you also give any inf
ormation on the operating pressure. I believe, that I've read that the Rota
x filter has a higher operational pressure requirement than car filters?
Thanks
George May
601XL 912s> Subject: RotaxEngines-List: Re: True Rotax brand oil filters> F
rom: ssadiver1@yahoo.com> Date: Thu, 17 Apr 2008 16:29:44 -0700> To: rotaxe
r Lee" <ssadiver1@yahoo.com>> > Hi Ron,> > I don't know who makes the Chall
enger oil filters. If it is the one in the post and it does have the same n
umber I would toss it and forget it. That is an inferior filter. I typed th
e number off the oil filter in the Rotax post into the web search and it ca
me up Challenger. The one that Rotax posted in there bulletin is definitely
an inferior filter. It has a few things wrong with it all of which Rotax l
isted in the document. If you want to run a different oil filter other than
a Rotax then the Fram Tough Guard 3614 and the Purlator Pure One PL10241 a
re better filters and maybe better than Rotax. The Pure One for sure. It's
a shame Rotax didn't cut these two filters apart to try and make a claim be
cause they wouldn't be able to make the inferior product claim. Toss the Ch
allenger filter it's only a few dollars compared to your engine health and
you will only lose a tiny bit of oil. Just top it off again and forget how
to spell Challenger. :D> > --------> Roger Lee> Tucson, Az.> > > > > Read t
his topic online here:> > http://forums.matronics.com/viewtopic.php?p=177
=============> > >
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Message 4
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| Subject: | Re: True Rotax brand oil filters |
Hi Guys,
The Rotax filter bypass pressure is .9-1.1 bar or 13-15.9psi.
The Fram Tough Guard and Pure One filter along with many other American filter
bypass pressure is 12-15 psi.
This should only come into play when the upstream pressure becomes at least 12psi
different from the downstream pressure at the filter. This should not happen
unless you have some serious issues with a clogged filter and if you clog a
filter you have some serious engine issues or haven't changed your oil in the
last ten years or 1000 hrs. which ever came first. :D
The Fram Tough Guard and the Pure One have more filter medium because they are
1/2" longer. The Pure One has a better efficiency rating and three filter mediums
and not just one medium like the Rotax or Fram Tough Guard.
Some say oil filter's actually bypasses at start up. These filters can flow 6 gal.
a minute and the Rotax engine circulates about 4 gals a minute when up at
normal running rpm's and not at a start up rpm or idle.
Full synthetic or semi synthetic is very pourable at most of our normal daily temps.
I find it hard to believe that at start up when you aren't flowing 4 gals.
a minute and there is no pressure restriction that the filters actually bypass
oil. I have heard the people say they do, but I'm not a believer.
When I did my research the oil filter engineer's (not the sales reps) said the
the one psi difference is not an exact science and that everyones can very a psi,
even Rotax's filter.
--------
Roger Lee
Tucson, Az.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=177790#177790
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| Subject: | Re: True Rotax brand oil filters |
Rotax must have an
overstock of filters on hand
----- Original Message -----
From: "Roger Lee" <ssadiver1@yahoo.com>
Sent: Friday, April 18, 2008 9:21 PM
Subject: RotaxEngines-List: Re: True Rotax brand oil filters
>
> Hi Guys,
>
> The Rotax filter bypass pressure is .9-1.1 bar or 13-15.9psi.
> The Fram Tough Guard and Pure One filter along with many other American
> filter bypass pressure is 12-15 psi.
> This should only come into play when the upstream pressure becomes at
> least 12psi different from the downstream pressure at the filter. This
> should not happen unless you have some serious issues with a clogged
> filter and if you clog a filter you have some serious engine issues or
> haven't changed your oil in the last ten years or 1000 hrs. which ever
> came first. :D
> The Fram Tough Guard and the Pure One have more filter medium because they
> are 1/2" longer. The Pure One has a better efficiency rating and three
> filter mediums and not just one medium like the Rotax or Fram Tough Guard.
> Some say oil filter's actually bypasses at start up. These filters can
> flow 6 gal. a minute and the Rotax engine circulates about 4 gals a minute
> when up at normal running rpm's and not at a start up rpm or idle.
> Full synthetic or semi synthetic is very pourable at most of our normal
> daily temps. I find it hard to believe that at start up when you aren't
> flowing 4 gals. a minute and there is no pressure restriction that the
> filters actually bypass oil. I have heard the people say they do, but I'm
> not a believer.
> When I did my research the oil filter engineer's (not the sales reps) said
> the the one psi difference is not an exact science and that everyones can
> very a psi, even Rotax's filter.
>
> --------
> Roger Lee
> Tucson, Az.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=177790#177790
>
>
>
Message 6
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| Subject: | Re: True Rotax brand oil filters |
Rotax doesn't test any other filters because they have their own and all the dealers
are supposed to carry them. As far as oils are concerned you can't get some
types of oils in the world so they had to test a few other well known types
from different areas. They have not bothered and probably won't ever test other
filters or many other oils. Some testing with oils could takes years of use
to get back reliable data.
I would be willing to bet that the Rotax filter has other applications in Europe.
The Champion name on the filter is a European company and not the Champion
people in the USA. I doubt that the Rotax filter only works on a Rotax engine,
but who knows for sure (ok Rotax really knows). They won't say much about the
filters as I have emailed them several times.
--------
Roger Lee
Tucson, Az.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=177804#177804
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