Today's Message Index:
----------------------
1. 07:01 AM - coils (gary)
2. 07:01 AM - Re: Service Ceilings (gary)
3. 09:17 AM - Re: coils (The Meiste's)
Message 1
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--> Stratus-List message posted by: "gary" <FlyinK@Efortress.com>
I'm guessing most people here are on the airsoob/flysoob list too, but I'll
repost this here anyway. I wanted to check into this before but never got
around to it. I'll ask Clare how he knows this (I'd like to get hard
facts - ignition specs or something). I did talk with him about this years
ago and I read the "Neihoff xxxx" number off of the coils that came with the
Stratus and he said that was the IC107. So - should we be adding a ballast
resistor on the distributor coil? I guess the flywheel (GM?) ignition is
ok? Any ideas where to start? I already asked Mykal and he didn't have a
good answer either way. I have heard of a handful of Stratus ignition
failures so there may be something to this. First step is to have the dual
ignition but I think everyone does.
Gary
> Clare Snyder wrote:
>
> > The !C107 is a 1 ohm coil (.89 to 1.03) and is designed to be used WITH
a
> > resistor, Part number icr107, of the same resistance (actually 1.08-1.32
> > ohm)
> > I recommend the 3 ohm primary coil if running without a resistor.
> > That means IC14, IC64, IC675, IC2312
> > This is equivalent to what is referred to as the "Bosch Blue" coil.
> >
> > I'm trying out a pair of motorcycle coils - smaller and lighter than the
107
> > and 3 ohm nominal primary.
>
> Clare, & Michel,
>
> Following this thread with intrest. I finally did get my engine to run
using
> the nippon pick ups, GM modules, and IC 107 coils. Clare you say that a
> resistor is needed for this set up. What happens if the resistor is now
> used? Norm
>
With the GM module you don't need the resistor as it has automatic current
limiting and is designed to run with a 1/2 ohm primary coil. With a Nip
module or the Mitsu, you need the resistor as they use dwell angle or dwell
time control instead of current limiting. The GM module heat sinking is
possibly less critical with higher resistance coil setups. The GM module
does appear to require higher cranking RPM to start than the NipponDenso
unit, and definitely higher than the Mitsu.
>
Message 2
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| Subject: | Re: Service Ceilings |
--> Stratus-List message posted by: "gary" <FlyinK@Efortress.com>
I'll do the service ceiling test as soon as I get my plane back together
(still modifying the cooling system). Like Frank said, it may be the wing
and not the engine. At least we have three different types of planes here
now so we can find out.
Message 3
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--> Stratus-List message posted by: "The Meiste's" <meiste@essex1.com>
I already asked Mykal and he didn't have a good answer either way. I have
heard of a handful of Stratus ignition failures so there may be something to
this.
+++++++++++++++++++++++++++++++++++++++++++
Gary,
Yup if you recall mine happened about 6 months ago with only 60 hours on the
hobbs. Again Mykal didn't have an answer for me as to my early ign failure.
In the end I wound up replacing coils & dist with the same units Stratus
supplies as I couldn't get anything else to work. Will it happen again? I
sure hope not but if there's a glitch in the Stratus ign system it most
likely will.
If you find out any more info please pass it along.
Thanks,
Kelly
601 HD (75 hours)
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