Today's Message Index:
----------------------
1. 07:02 AM - Re: Subaru ICM failure? and ignition performance (The Meiste's)
2. 08:32 AM - Re: Subaru ICM failure? and ignition performance (gary)
3. 11:41 AM - Lister Comments - Please Support The Lists (Matt Dralle)
4. 02:57 PM - carb jets (Don Walker)
5. 06:17 PM - Re: carb jets (Larry McFarland)
Message 1
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| Subject: | Re: Subaru ICM failure? and ignition performance |
--> Stratus-List message posted by: "The Meiste's" <meiste@essex1.com>
> I noticed that several people had failures with the
> Subaru Nippodenso ignition control module. Was the
> module used with the Subaru Nippodenso K31 coil (the
> stock coil)? Or with something else?
++++++++++++++++++++++++++++++++++++++
Michel,
I fly the Stratus engine in my 601 and lost my ign in flight at 60 hours on
the Hobbs. My coil (IC107) failed causing my ICM inside the ND distributor
to fry it's self.
Kelly Meiste
Message 2
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| Subject: | Re: Subaru ICM failure? and ignition performance |
--> Stratus-List message posted by: "gary" <FlyinK@Efortress.com>
> I noticed that several people had failures with the
> Subaru Nippodenso ignition control module. Was the
> module used with the Subaru Nippodenso K31 coil (the
> stock coil)? Or with something else?
Michel,
That's great that you're finally getting it running right. As far as the
coils, that's something i've been meaning to look into. Clare Snyder on the
airsood list says that the IC107 coil needs a ballast resistor. This may
explain why some of them burn up - too much current.
Also, both of the ignitions on the stock Stratus work about the same. I
can switch from the distributor with the stock ND, and the GM ignition with
the mag pickup on the flywheel and the engine runs about the same. Slight
difference in idle due to advance differences but there's nothing like 700
rpm change between the two.
good luck,
Gary Krysztopik
Pelican PL - N522GK
Stratus Subaru EA-81
Newport, RI
http://members.efortress.com/flyink/index.html
Message 3
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| Subject: | Lister Comments - Please Support The Lists |
--> Stratus-List message posted by: Matt Dralle <dralle@matronics.com>
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Message 4
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Seal-Send-Time: Sat, 27 Nov 2004 16:56:15 -0600
--> Stratus-List message posted by: "Don Walker" <d3dw@msn.com>
For the heck of it, after reading the posts on carb jets, I flew to experiment
with the enrichener. In the midrange, pulling the enrichener (choke) increased
the rpm by about 150. Then in the main jet range adding the enrichener made
no difference.
On a cooler day I did the same and found that the midrange increased even more
and the main jet range rpm increased by about 50 when enrichened. Is it likely
that lowering the needle in the midrange will affect them both. Should I increase
main jet size and lower the needle? Will a main jet change affect the
midrange? Don Walker HDS TD
Message 5
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--> Stratus-List message posted by: "Larry McFarland" <larrymc@qconline.com>
Don,
What you describe is detailed to some exactitude on page 18 of the Bing
Carburettors Aircraft tuning and
parts manual. Picking up power with the enriching circuit (choke) suggests
you're running lean if the EGTs
are reduced. If you lower the needle, you will lean the engine further and
risk damage to the engine. They recommend doing only one thing at a time.
I'd consider just another size jet first. I'm using 170s and my
needle is on 3, one notch from the richest setting. Not being satisfied
with trying to estimate by EGTs, I'm going to purchase a Colortune plug from
Bing Monday. Then it might be possible to see better what these changes do.
Yes, a main jet change will affect the midrange. It sound like you need the
manual from Bing.
Their phone number is 1-800-2464 weekdays 8:30-5:00 CST.
Larry McFarland
Subject: Stratus-List: carb jets
> --> Stratus-List message posted by: "Don Walker" <d3dw@msn.com>
>
> For the heck of it, after reading the posts on carb jets, I flew to
> experiment with the enrichener. In the midrange, pulling the enrichener
> (choke) increased the rpm by about 150. Then in the main jet range adding
> the enrichener made no difference.
> On a cooler day I did the same and found that the midrange increased even
> more and the main jet range rpm increased by about 50 when enrichened. Is
> it likely that lowering the needle in the midrange will affect them both.
> Should I increase main jet size and lower the needle? Will a main jet
> change affect the midrange? Don Walker HDS TD
>
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