Today's Message Index:
----------------------
1. 06:21 AM - rumor I heard (Thom Riddle)
2. 06:56 AM - Re: rumor I heard (Roger Lee)
3. 07:58 AM - Re: Fw: Photo Booth (Thanks Edna) (FLYaDIVE)
4. 09:58 AM - Re: rumor I heard (Roger Lee)
5. 10:07 AM - Re: rumor I heard (Richard Girard)
6. 11:25 AM - Re: rumor I heard (Thom Riddle)
7. 01:13 PM - Re: rumor I heard (Roger Lee)
8. 05:14 PM - Re: rumor I heard (FLYaDIVE)
9. 09:55 PM - 914 partial power failure (john firth)
Message 1
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This is directed to Roger Lee or anyone else who might know.
I read the following on another list this morning and would like to know if there
is any truth in this.
THis is rumor until I see it.
There is a kit coming out to reduce the compression ratio of the Rotax 912S from
10.1:1 to something lower. It is rumored that there will be bigger jugs and
pistons to try to raise the displacement from just over 1300 CCs to something
closer to our 2200 CCs.
It will raise the HP from 98 to around 110 HP.
More displacement= more torque and less need for high octane gas.
--------
Thom Riddle
Buffalo, NY (9G0)
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x32
Don't accept your dog's admiration as conclusive evidence that you are wonderful.
Ann Landers
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=328973#328973
Message 2
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| Subject: | Re: rumor I heard |
Hi Thom,
I have not heard that, but I know just who to ask. I'll keep in touch.
--------
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=328977#328977
Message 3
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| Subject: | Re: Fwd: Photo Booth (Thanks Edna) |
CUTE!
CUTE AS HELL... I PISSED IN MY PANTS!
FUNNY!
On Fri, Jan 28, 2011 at 6:06 PM, <NYTerminat@aol.com> wrote:
>
>
> ------------------------------
> *Subject:* *It's a tad long but it's made me laugh.... I'l bet you watch
> it till the end. . . *
>
>
> THIS IS REALLY CUTE!!!:
>
>
> Click on below site....
>
> http://www.wimp.com/photobooth
>
>
> *
>
> *
>
>
Message 4
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| Subject: | Re: rumor I heard |
Hi Thom,
Got my email back. Pure BS. Let them run with it and sit back and smile, it's all
garbage.
--------
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=329001#329001
Message 5
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| Subject: | Re: rumor I heard |
Thom, That's going to be some trick to accomplish. The bore of a 912 ULS is
84mm (3.31")and the stroke is 61mm (2.40"). Leaving the stroke alone, to ge
t
a displacement of 2200 cc the bore has to increase to 107mm (4.22"). I don'
t
think you can get there from here.
Rick
On Sun, Jan 30, 2011 at 8:19 AM, Thom Riddle <riddletr@gmail.com> wrote:
m
> >
>
> This is directed to Roger Lee or anyone else who might know.
>
> I read the following on another list this morning and would like to know
if
> there is any truth in this.
>
> THis is rumor until I see it.
>
> There is a kit coming out to reduce the compression ratio of the Rotax 91
2S
> from
> 10.1:1 to something lower. It is rumored that there will be bigger jugs
> and
> pistons to try to raise the displacement from just over 1300 CCs to
> something
> closer to our 2200 CCs.
>
> It will raise the HP from 98 to around 110 HP.
> More displacement= more torque and less need for high octane gas.
>
> --------
> Thom Riddle
> Buffalo, NY (9G0)
> Kolb Slingshot SS-021
> Jabiru 2200A #1574
> Tennessee Prop 64x32
>
>
> Don't accept your dog's admiration as conclusive evidence that you are
> wonderful.=94
> =97Ann Landers
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=328973#328973
>
>
===========
===========
===========
===========
>
>
--
Zulu Delta
Mk IIIC
Thanks, Homer GBYM
It isn't necessary to have relatives in Kansas City in order to be unhappy.
- Groucho Marx
Message 6
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| Subject: | Re: rumor I heard |
It did not sound like a reasonable modification to me either. However, some rumors
are wild exaggerations with some element of truth, so I was interested to
see if there was anything at all to it.
The one mod/option I think we would all like to see is EFI.
Any chance of THiS being in the works?
Do not archive
--------
Thom Riddle
Buffalo, NY (9G0)
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x32
Don't accept your dog's admiration as conclusive evidence that you are wonderful.
Ann Landers
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=329006#329006
Message 7
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| Subject: | Re: rumor I heard |
EFI has been in the works for a couple of years. My guess it will be about a $6K
option. It is part electronic and part mechanical from what I hear. I hope it
comes out this year, but who knows for sure.
--------
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=329011#329011
Message 8
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| Subject: | Re: rumor I heard |
Rick:
Companies do some pretty stupid things but this sure sounds like a hoax.
If you consider that 1300cc produces 98 HP that is .075HP per cc. With
2200cc @.075 HP/cc you would expect to see something like 165HP but figure
something like 75% efficiency so that would be 124 HP. So, where
do they get 112 HP? Kind of defeats the purpose? Why do ALL that changing
and work for ONLY a 12 HP gain.
It would make more sense to increase the compression to gain the HP.
Example: a Lycomming went from 150 HP @ 7.5:1 to 160 HP @ 8:1. So there
saw a gain of 6.25%. If Rotatx went up ONLY 6.25% that would be 104HP and
if they went to 11:1 that would be 110 HP with ONLY a piston change. NOW,
these are only paper numbers, there very well could be a greater increase.
BUT! Could the cylinders handle it?
Barry
On Sun, Jan 30, 2011 at 1:04 PM, Richard Girard <aslsa.rng@gmail.com> wrote
:
> Thom, That's going to be some trick to accomplish. The bore of a 912 ULS
is
> 84mm (3.31")and the stroke is 61mm (2.40"). Leaving the stroke alone, to
get
> a displacement of 2200 cc the bore has to increase to 107mm (4.22"). I do
n't
> think you can get there from here.
>
> Rick
>
> On Sun, Jan 30, 2011 at 8:19 AM, Thom Riddle <riddletr@gmail.com> wrote:
>
>> riddletr@gmail.com>
>>
>> This is directed to Roger Lee or anyone else who might know.
>>
>> I read the following on another list this morning and would like to know
>> if there is any truth in this.
>>
>> THis is rumor until I see it.
>>
>> There is a kit coming out to reduce the compression ratio of the Rotax
>> 912S from
>> 10.1:1 to something lower. It is rumored that there will be bigger jugs
>> and
>> pistons to try to raise the displacement from just over 1300 CCs to
>> something
>> closer to our 2200 CCs.
>>
>> It will raise the HP from 98 to around 110 HP.
>> More displacement= more torque and less need for high octane gas.
>>
>> --------
>> Thom Riddle
>> Buffalo, NY (9G0)
>> Kolb Slingshot SS-021
>> Jabiru 2200A #1574
>> Tennessee Prop 64x32
>>
>>
>> Don't accept your dog's admiration as conclusive evidence that you are
>> wonderful.=94
>> =97Ann Landers
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=328973#328973
>>
>>
>>
>>
>>
>>
>>
>> ==========
>> -List" target="_blank">
>> http://www.matronics.com/Navigator?RotaxEngines-List
>> ==========
>> http://forums.matronics.com
>> ==========
>> le, List Admin.
>> ="_blank">http://www.matronics.com/contribution
>> ==========
>>
>>
>>
>>
>
>
> --
> Zulu Delta
> Mk IIIC
> Thanks, Homer GBYM
>
> It isn't necessary to have relatives in Kansas City in order to be unhapp
y.
> - Groucho Marx
>
>
> *
>
===========
===========
===========
===========
> *
>
>
Message 9
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| Subject: | 914 partial power failure |
Hello all, I have a 914 fitted to a mono wheel Europa. a couple of weeks ago I
suffered a partial power failure on take off and had to land immediately. After
changing the fuel filters and cleaning out the carbs she ran fine for three
hours and five take offs and then failed again and now has symptom's on ground
runs which are:-
starts well and runs smooth till 2800ish rpm
can be made to go to 5000plus but runs rough and mag drops 600
I have checked the following:-
Replaced the whole fuel system except pumps, selector valve and tank fittings but
removed and checked them all.
Done Rotax fuel flow check at plus 0.5 bar simulated air box pressure giving 10psi
fuel pressure and delivering 70litres/hour on each pump.
Checked airbox pressure v fuel pressure when engine running 4psi
Checked float bowls for dirt, blown out jets, checked needle valves and float level-
all appear ok.
Checked slide and diaphragm for leaks and smooth operation.
Checked all small air pipes for leaks and blockage and carb mounting rubbers for
splits.
Checked plugs- all look OK with light brown deposits slightly white but am running
Avgas at the moment. (she runs the same on Mogas) and swopped the top two
plugs with each other at both sides.
When run to 5000rpm, airbox pressure rises to 1.1b and fuel increases to 1,4b.
TCU lights normal on power up and servo can be heard operating.I will check waste
gate arm moving tomorrow.
I could use some ideas from the wealth of experience out there.
Regards, john.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=329052#329052
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