Today's Message Index:
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1. 03:47 AM - Re: Re: Rotax Engines-List: 91 octane and time to be heard (Thomas R. Riddle)
2. 07:01 AM - Re: Butenol??? (John Goodings)
3. 07:42 AM - Re: Re: Butenol??? (LarryMcFarland)
4. 09:50 AM - Re: Butenol??? (rampil)
5. 11:56 AM - Re: Re: Butenol??? (LarryMcFarland)
6. 12:30 PM - Re: Re: Butenol??? (Ivan)
7. 06:15 PM - Rotax 912S oil (Dale Orth)
8. 07:48 PM - Re: Rotax 912S oil (Roger Lee)
9. 08:02 PM - Re: Rotax 912S oil (lucien)
10. 08:07 PM - Re: Rotax 912S oil (Craig Payne)
11. 08:23 PM - Re: Rotax 912S oil (Roger Lee)
12. 10:17 PM - Re: Rotax 912S oil (lucien)
Message 1
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| Subject: | Re: Rotax Engines-List: 91 octane and time to be |
heard
Here is a Wki entry on Butanol Fuel.
http://en.wikipedia.org/wiki/Butanol_fuel
No idea if this has anything at all to do with what Swift is doing.
Message 2
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Are you sure about "butenol", Larry? Do you mean butanol? Butanol is
butyl alcohol, i.e. a pure alcohol, C4H9OH. It has some of the same
solvent characteristics as ethanol, C2H5OH. Both are very good fuels,
particularly from an anti-polution point of view. But both could be hard
on some gasket materials. And they have burning velocities which are
rather different from gasoline, which is mainly a mixture of octanes,
nonanes and decanes (C8H18, C9H20 and C10H22). This could mean that an
engine's timing would have to be set up rather differently.
John Goodings, C-FGPJ, CH601HD with R912S, Carp/Ottawa/Toronto
Message 3
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No John,
I'm not a competent chemist and my spelling gets clobbered by my typing,
but a proper formulated butanol doesn't absorb water, is a better
solution than ethanol
not competing with food products and doesn't require huge amounts of
water to produce. I think they are still considering these aspects or
hope they are.
In areas of ethanol production, the dropping water tables affect large
area access for everyone here with well water.
Larry McFarland
John Goodings wrote:
> <goodings@yorku.ca>
>
> Are you sure about "butenol", Larry? Do you mean butanol? Butanol is
> butyl alcohol, i.e. a pure alcohol, C4H9OH. It has some of the same
> solvent characteristics as ethanol, C2H5OH. Both are very good fuels,
> particularly from an anti-polution point of view. But both could be
> hard on some gasket materials. And they have burning velocities which
> are rather different from gasoline, which is mainly a mixture of
> octanes, nonanes and decanes (C8H18, C9H20 and C10H22). This could
> mean that an engine's timing would have to be set up rather differently.
>
> John Goodings, C-FGPJ, CH601HD with R912S, Carp/Ottawa/Toronto
>
>
Message 4
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Larry,
Let's not get carried away.
All short chain alcohols are soluble and mixable with water,
Butanol only somewhat less so than ethanol.
It has somewhat more energy density than ethanol, but still less than gasoline.
Interesting but not magic.
--------
Ira N224XS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=197913#197913
Message 5
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I'm not enthused one bit about any of the alternative fuels as I am
about 87-octane with or without
10% ethanol. It's more economic and my Subaru likes it too. Don't think
it's going away any time soon
unless Obama and the socialist bent environmental people get their way.
Then all bets are off.
Larry McFarland 601HDS at www.macsmachine.com
do not archive
rampil wrote:
>
> Larry,
>
> Let's not get carried away.
>
> All short chain alcohols are soluble and mixable with water,
> Butanol only somewhat less so than ethanol.
>
> It has somewhat more energy density than ethanol, but still less than gasoline.
>
> Interesting but not magic.
>
> --------
> Ira N224XS
>
>
>
Message 6
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Now let's not get political and ruin our credibility.
Ivan
----- Original Message -----
From: "LarryMcFarland" <larry@macsmachine.com>
Sent: Monday, August 11, 2008 11:56 AM
Subject: Re: RotaxEngines-List: Re: Butenol???
> <larry@macsmachine.com>
>
> I'm not enthused one bit about any of the alternative fuels as I am about
> 87-octane with or without
> 10% ethanol. It's more economic and my Subaru likes it too. Don't think
> it's going away any time soon
> unless Obama and the socialist bent environmental people get their way.
> Then all bets are off.
>
> Larry McFarland 601HDS at www.macsmachine.com
> do not archive
>
> rampil wrote:
>>
>> Larry,
>>
>> Let's not get carried away.
>>
>> All short chain alcohols are soluble and mixable with water,
>> Butanol only somewhat less so than ethanol.
>> It has somewhat more energy density than ethanol, but still less than
>> gasoline.
>>
>> Interesting but not magic.
>>
>> --------
>> Ira N224XS
>>
>>
>>
>>
>
>
>
Message 7
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I just bought a KitFox with a 912S. The previous owner said Valvoline DuraBlend
is best if you use 100LL once in awhile. I could use some input from some more
experienced Rotax owners.
Thanks, Dale
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=198043#198043
Message 8
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| Subject: | Re: Rotax 912S oil |
Hi Dale,
If you are going to use 91 octane then use a full synthetic. If you are going to
use 100LL then use a semi synthetic. Full synthetic will not suspen the lead
and it falls out in the gear box and crankcase. If you only use 100LL once in
a blue moon then a full synthetic is still good. There are of course different
synthetics, but two I recommend and have used and is used by thousands of Rotax
people are Mobile One 10-40W or 20-50 and AmsOil 10-40W or 20-50W. You need
to use the motorcycle ones of these oils. The motorcycle oils have special
additives for engines that share oil with the gear box. Regular auto oil does
not have this. Yes auto oil will work and some say look my Rotax still runs, but
you will pay later for lack of the additives that are needed for the gear box.
This is taught in all Rotax classes.
If you are going to use 100LL more often or all the time then two good semi synthetic
oils are Aero Shell Sport 4 plus which was made with the Rotax in mind
and Golden Spectro 4. Both of these have excellent properties for the Rotax engine
and all of its needs. These also are motorcycle oils with the special additives.
Some use CPS's RV-9 oil for the Rotax.
If you use 91 octane change oil every 50 hrs. and if you use 100LL every 25 hrs.
This is also taught in the Rotax classes. Change your plugs at 75 hrs. and 40-50
hours with 100LL. Using 100LL more or less cuts your maint. time tables in
half. You have an expensive and great engine don't skimp like some and try to
drain every last penny out of your maint. I am a Rotax Service Center and I
get to see all those guys more often.
Because we change oils as often as we do any good motorcycle oil will work (Honda
motorcycle oil), but you are trying to get not only to your 1500 hr. TBO, but
beyond. Yes you can go beyond if you are following the "ON Condition" inspection
protocols. Mainly it is nothing more than good paperwork trail and an oil
analysis at each oil change.
Have fun with your Kit Fox.
--------
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=198067#198067
Message 9
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| Subject: | Re: Rotax 912S oil |
Roger Lee wrote:
> Hi Dale,
>
> 10-40W or 20-50W. You need to use the motorcycle ones of these oils. The motorcycle
oils have special additives for engines that share oil with the gear box.
Regular auto oil does not have this. Yes auto oil will work and some say look
my Rotax still runs, but you will pay later for lack of the additives that
are needed for the gear box. This is taught in all Rotax classes.
>
Couple quick questions:
- What exactly are these additives that are put in the motorcycle oils?
- What API service grade are they?
Thanks,
LS
--------
LS
Titan II SS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=198071#198071
Message 10
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There is a service instruction on this. Go to www.rotax-owner.com and sign
in as a guest to read it. If you subscribe you will receive e-mails when new
information is posted.
SI-18-1997 Selection of Motor Oil & General Operating Tips for ROTAX
912 & 914 - Revision 5
-- Craig
-----Original Message-----
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of Dale Orth
Sent: Monday, August 11, 2008 7:14 PM
Subject: RotaxEngines-List: Rotax 912S oil
<daleorth@embarqmail.com>
I just bought a KitFox with a 912S. The previous owner said Valvoline
DuraBlend is best if you use 100LL once in awhile. I could use some input
from some more experienced Rotax owners.
Thanks, Dale
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=198043#198043
Message 11
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| Subject: | Re: Rotax 912S oil |
Hers is some good general educational info. The document is produced by AmsOil,
but has great info and lots of oils.
--------
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=198080#198080
Attachments:
http://forums.matronics.com//files/oil_comparison_168.pdf
Message 12
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| Subject: | Re: Rotax 912S oil |
Roger Lee wrote:
> Hers is some good general educational info. The document is produced by AmsOil,
but has great info and lots of oils.
I can't find the service grades of any of the oils tested in the report, specifically
the API service grades. Only the brands and viscosities are listed (and
batch no's etc), but not the service grades, which is specifically what I'd be
interested in.
Is this available in the report or elsewhere?
Thanks,
LS
--------
LS
Titan II SS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=198094#198094
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