Today's Message Index:
----------------------
1. 05:31 AM - Re: Running on both ign's & more (gary)
2. 07:31 AM - Re: Running on both ign's & more (Hinde, Frank George (Corvallis))
3. 07:34 AM - Re: Running on both ign's & more (Hinde, Frank George (Corvallis))
4. 10:13 AM - Re: Running on both ign's & more (Larry McFarland)
5. 10:46 AM - Re: Running on both ign's & more (Hinde, Frank George (Corvallis))
6. 01:31 PM - Re: Running on both ign's & more (The Meiste's)
7. 03:25 PM - Re: Running on both ign's & more (Larry McFarland)
8. 04:27 PM - Re: Running on both ign's & more (Hinde, Frank George (Corvallis))
9. 05:07 PM - Re: RAM Heads Installed and Running (Hugh & Sherry MacKenzie)
10. 05:15 PM - Re: RAM Heads Installed and Running (Hugh & Sherry MacKenzie)
11. 05:17 PM - Re: Running on both ign's & more (Hugh & Sherry MacKenzie)
12. 05:20 PM - Re: Running on both ign's & more (Larry McFarland)
13. 05:22 PM - Re: Running on both ign's & more (Hugh & Sherry MacKenzie)
Message 1
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| Subject: | Re: Running on both ign's & more |
--> Stratus-List message posted by: "gary" <FlyinK@Efortress.com>
check with CPS (California Power Systems), if you don't see it online then
call and ask. I'll try to get a part number.
gary
----- Original Message -----
From: "The Meiste's" <meiste@essex1.com>
Subject: Re: Stratus-List: Running on both ign's & more
> --> Stratus-List message posted by: "The Meiste's" <meiste@essex1.com>
>
> > get the bing overflow trays, that's what they're for
> >
> > gary
>
> Thanks for the tip Gary, I've never seen or heard of these. Got any info
on
> were I can pick up a set?
> I've got a Bing manual but don't recall seeing these items.
>
> Kelly
>
>
Message 2
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| Subject: | Running on both ign's & more |
--> Stratus-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
Especially when you consider the ND ignitor chip is notoriously feeble
as well!
I built my system using the the ND pickups and the TP45 modules built
into the same distributor. Seems to be a prettyy bullet proof system
although if I were doing it again I might see if I could buy an after
market crank pick up kit from Summit racing.
Most of their stuff seems to be very high quality and that would avoid
depending on a single dizzy.
Another thought. Using my system there is no reason not to just use both
systems for TO and landing but switch on off in cruise if you wanted to.
Frank
-----Original Message-----
From: owner-stratus-list-server@matronics.com
[mailto:owner-stratus-list-server@matronics.com] On Behalf Of Larry
McFarland
Subject: Re: Stratus-List: Running on both ign's & more
--> Stratus-List message posted by: "Larry McFarland"
--> <larrymc@qconline.com>
Subject: RE: Stratus-List: Running on both ign's & more
> What if your "changeover" switch should fail?...You then lose both
> systems?
>
> Its your airplane and you need to be comfortable but there is no way
> (and I didn't) I would design my system to rely on any shared
> components which represent a single point of failure.
>
> I run both systems from an individual single on/off switch (main ign
> is from the key switch) and you can check your system on the ground
> because when you turn on the second ignition the RPM's pick up
> unmistakenly...I wired both mine to a lead going to the tach so you
> can also read the RPM's from both systems.....Becareful not to use a
> chagover swith here either because if the lead grounds out both
> systems will die.
>
> Both systems are fed from two independent batteries also. It would
> take a mechanical failure (not the alternator because the two battery
> systems are isolated) to stop my engine as both systems run all the
> time.
>
> Frank
Frank and Kelly,
You both put forward a very compelling argument for splitting my system
a little further in than the A-B switch. It is now fed as extension to
the ignition switch, so it'd be foolish not to take that separation
right out to the main and essential buses.
Can't say I've been comfortable since the B-ignition dropped out on the
last flight.
I'm right in the midst of re-wiring connectors so that I can use Paul
Messingers Dual Dizzy system with paired XL600 pickups, TP45 modules,
etc.
Good timing (no pun intended;-)
Larry
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Message 3
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| Subject: | Running on both ign's & more |
--> Stratus-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
Kelly I thought I read your post as saying you had a changeover
switch...I.e left or right?.. That would make it a single point of
failure for both systems?
Sorry if I mis read that.
Frank
Do not archive
-----Original Message-----
From: owner-stratus-list-server@matronics.com
[mailto:owner-stratus-list-server@matronics.com] On Behalf Of The
Meiste's
Subject: Re: Stratus-List: Running on both ign's & more
--> Stratus-List message posted by: "The Meiste's" <meiste@essex1.com>
> I run both systems from an individual single on/off switch (main ign
> is from the key switch) and you can check your system on the ground
> because when you turn on the second ignition the RPM's pick up
> unmistakenly...
Yup .... same here!
> Both systems are fed from two independent batteries also. It would
> take a mechanical failure (not the alternator because the two battery
> systems are isolated) to stop my engine as both systems run all the
> time.
Double Yup here also!!
Kelly
do not achieve
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Message 4
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| Subject: | Re: Running on both ign's & more |
--> Stratus-List message posted by: "Larry McFarland" <larrymc@qconline.com>
Frank,
This morning you've got me moving my primary A-ignition wire from what was
an A-B switch to the
primary ignition switch and adding a new wire from the B-ignition switch to
its own fuse on the bus.
It's the prudent thing to do, but I am reluctant to run both because there
is still a concern
for overheating the coil selector per the Stratus manual warning.
Most recent guidance by Paul Messinger indicates "Standard" brand XL600
pickups
have a stainless mount plate that avoid cross coupling and provide a good
spark at lower rpm for starting.
This pickup is also not connected to any module so they are cheaper, $75.00
each at NAPA store.
Larry
> --> Stratus-List message posted by: "Hinde, Frank George (Corvallis)"
<frank.hinde@hp.com>
>
> Especially when you consider the ND ignitor chip is notoriously feeble
> as well!
>
> I built my system using the the ND pickups and the TP45 modules built
> into the same distributor. Seems to be a prettyy bullet proof system
> although if I were doing it again I might see if I could buy an after
> market crank pick up kit from Summit racing.
>
> Most of their stuff seems to be very high quality and that would avoid
> depending on a single dizzy.
>
> Another thought. Using my system there is no reason not to just use both
> systems for TO and landing but switch on off in cruise if you wanted to.
> > Both systems are fed from two independent batteries also. It would
> > take a mechanical failure (not the alternator because the two battery
> > systems are isolated) to stop my engine as both systems run all the
> > time.
> >
> > Frank
Message 5
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| Subject: | Running on both ign's & more |
--> Stratus-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
Its amazing isn't it how Stratus now provides warnings about things that
it never used to...I was even told my valve guides fell out because I
ran both ignitions together...Can we say B*** S***!!!
Anyway I'm not saying this is not true but I personally have never had
any problems and I'm not aware of anyone on the Airsoob/Flysoob lists
having issues with the coil joiner overheating. I have ran mine
continuously together for about 300 hours.
While we research this it might be prudent to run both together just
during TO and landing.
Very interesting to hear about the new pickup...I assume you don't need
the TP 45's with this pickup?? Are you going this path?...I might change
mine eventually if yours work good.
The original feedle ND pickup is about $300 but the pickup coil seems to
be OK. That's why you wire it to a TP 45 for $45 each (actually I have a
scrapyard unit for my second chip plus a "spare" mounted on a plate such
that if ever one of them died a long way from home I can simply unplug
the wires from the dud and plug into the spare).
Incidently, I cannot get my ignition to fire in the cold weather or if
its damp...So what you do is to crank the engine with just the primary
ignition ON...Then as it cranks swith the second ignition on and off
slowly. The manuual switch fires the plugs and it barks into life first
or second try!...:)
Not a problem in flight 'cos its all but impossible to stop a
windmilling propellor.
Frank
Do not archive
-----Original Message-----
From: owner-stratus-list-server@matronics.com
[mailto:owner-stratus-list-server@matronics.com] On Behalf Of Larry
McFarland
Subject: Re: Stratus-List: Running on both ign's & more
--> Stratus-List message posted by: "Larry McFarland"
--> <larrymc@qconline.com>
Frank,
This morning you've got me moving my primary A-ignition wire from what
was an A-B switch to the primary ignition switch and adding a new wire
from the B-ignition switch to its own fuse on the bus. It's the prudent
thing to do, but I am reluctant to run both because there is still a
concern for overheating the coil selector per the Stratus manual
warning.
Most recent guidance by Paul Messinger indicates "Standard" brand XL600
pickups have a stainless mount plate that avoid cross coupling and
provide a good spark at lower rpm for starting.
This pickup is also not connected to any module so they are cheaper,
$75.00 each at NAPA store.
Larry
> --> Stratus-List message posted by: "Hinde, Frank George (Corvallis)"
<frank.hinde@hp.com>
>
> Especially when you consider the ND ignitor chip is notoriously feeble
> as well!
>
> I built my system using the the ND pickups and the TP45 modules built
> into the same distributor. Seems to be a prettyy bullet proof system
> although if I were doing it again I might see if I could buy an after
> market crank pick up kit from Summit racing.
>
> Most of their stuff seems to be very high quality and that would avoid
> depending on a single dizzy.
>
> Another thought. Using my system there is no reason not to just use
> both systems for TO and landing but switch on off in cruise if you
> wanted to.
> > Both systems are fed from two independent batteries also. It would
> > take a mechanical failure (not the alternator because the two
> > battery systems are isolated) to stop my engine as both systems run
> > all the time.
> >
> > Frank
==
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Message 6
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| Subject: | Re: Running on both ign's & more |
--> Stratus-List message posted by: "The Meiste's" <meiste@essex1.com>
> check with CPS (California Power Systems), if you don't see it online then
> call and ask. I'll try to get a part number.
>
> gary
+++++++++++++++++++++++++++++++++++++++++++++
I found it Gary, thanks again for the tip.
But at $110 a pop I'll try building something similar first.
Kelly
Message 7
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| Subject: | Re: Running on both ign's & more |
--> Stratus-List message posted by: "Larry McFarland" <larrymc@qconline.com>
This is the route I'm taking, but
you still need the TP45s for each pickup, but you don't have to throw away a
module
to connect with a much improved and robust one. The LX600 is a pickup
from a 1985
Subaru XT. See http://www.smpcorp.com/home.asp and you can find your way
thru
the parts easily.
Larry
Do not archive
> Very interesting to hear about the new pickup...I assume you don't need
> the TP 45's with this pickup?? Are you going this path?...I might change
> mine eventually if yours work good.
>
> Frank
Message 8
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| Subject: | Running on both ign's & more |
--> Stratus-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
Looks good.
When dou you think you might get them installed?
Frank
Do not archive
-----Original Message-----
From: owner-stratus-list-server@matronics.com
[mailto:owner-stratus-list-server@matronics.com] On Behalf Of Larry
McFarland
Subject: Re: Stratus-List: Running on both ign's & more
--> Stratus-List message posted by: "Larry McFarland"
--> <larrymc@qconline.com>
This is the route I'm taking, but
you still need the TP45s for each pickup, but you don't have to throw
away a module to connect with a much improved and robust one. The
LX600 is a pickup from a 1985 Subaru XT. See
http://www.smpcorp.com/home.asp and you can find your way thru the
parts easily.
Larry
Do not archive
> Very interesting to hear about the new pickup...I assume you don't
> need the TP 45's with this pickup?? Are you going this path?...I might
> change mine eventually if yours work good.
>
> Frank
==
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Message 9
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| Subject: | RAM Heads Installed and Running |
--> Stratus-List message posted by: "Hugh & Sherry MacKenzie" <hugs.mackenzie@sympatico.ca>
The probes are past the elbow right after the weld on the stock exhaust. I
think it's about 4.5" from the flange. The gauge manual says to install 4-8"
from the flange.
-----Original Message-----
From: owner-stratus-list-server@matronics.com
[mailto:owner-stratus-list-server@matronics.com] On Behalf Of gary
Subject: Re: Stratus-List: RAM Heads Installed and Running
--> Stratus-List message posted by: "gary" <FlyinK@Efortress.com>
where exactly are your egt's? after the elbow on the stock stratus exhaust?
how many inches from head or elbow?
thanks and congrats,
gary
----- Original Message -----
From: "Hugh & Sherry MacKenzie" <hugs.mackenzie@sympatico.ca>
Subject: Stratus-List: RAM Heads Installed and Running
> --> Stratus-List message posted by: "Hugh & Sherry MacKenzie"
<hugs.mackenzie@sympatico.ca>
>
> I finally got back into the air after having my heads re-done by RAM.
Also,
> installed an EGT gauge with probes in both pipes as well as changed the
carb
> main jets to 170 which seemed to be the size to use based on reports from
> this list.
>
> The engine is definitely running better now. I had some nagging minor
> vibration after my rebuild earlier, but that seems to be gone. Note sure
if
> it is due to the heads or some belt adjustment or... I certainly feel more
> confident now with the RAM heads.
>
> For those interested, here are some temps I have seen. EGT at 4800-5000rpm
> are around 1350-1375 deg.F. From what I have seen on the list, this seems
to
> be OK?? I was very pleased in that one flight was on a very hot day,
around
> 28 deg.C. with a humidex of around 32. The head temp was 195deg.F. at
> 4800rpm and 200 at 5000rpm. The oil temp was 215 and 220 respectively.
Today
> was cooler, about 22 deg.C. and head temp only reached 185 and oil temp
> 200max. The head temp is based on the stratus supplied sensor screwed into
> the head.
>
> The spark plugs look pretty good, and I don't think I would want to go any
> richer on the mixture. I have not changed the circlip on the needle from
> it's original position.
>
> On the first flight, the left side EGT was a little lower than the right,
> between 20 to maybe 50deg.F. at various rpm's. My gauge is analog and has
a
> very small scale, so hard to see exactly how far apart they were. On the
> second flight, I had a better view angle on the gauge and the temps seemed
> to be about bang on at cruise. I will keep an eye on it to see if it is
> really the temps or my view of the gauge.
>
> As a side note, I have been running my engine with both ignitions on at
all
> times since my first flight 6 years ago. Never any ignition problems
(knock
> on wood). Only about 100 hours though in that time. Now that things seem
to
> be running well, hope to get a lot of flying in.
>
> FYI, Hugh
>
> 601HDS
>
>
Message 10
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| Subject: | RAM Heads Installed and Running |
--> Stratus-List message posted by: "Hugh & Sherry MacKenzie" <hugs.mackenzie@sympatico.ca>
Frank,
No, didn't change the needle jets. I wanted to do one step at a time.
According to the Bing manual, only the main jet affects things after 3/4
throttle. I think this is where I am in cruise so not sure the needle jet
will make a difference here. What do you mean by running weak? Do you mean
lean? Wouldn't the EGT's show if there were a problem here?
I am no expert, so just curious. Also, is the ignition cut-off at cruise
power OK on the engine, just concerns me?
Hugh
-----Original Message-----
From: owner-stratus-list-server@matronics.com
[mailto:owner-stratus-list-server@matronics.com] On Behalf Of Hinde, Frank
George (Corvallis)
Subject: RE: Stratus-List: RAM Heads Installed and Running
--> Stratus-List message posted by: "Hinde, Frank George (Corvallis)"
<frank.hinde@hp.com>
Did you increase the size of the needle jets?...Mine had to go up a few
sizes. You can't simply change the main jet size and assume it will fix
the cruise mixture, the Bings simply don't work that way.
Tie the plane to a post and run it to cruise fower for a minute and cut
the ignition without changine the throttle...The check the plug colour.
You may be running very weak otherwise.
Frank
-----Original Message-----
From: owner-stratus-list-server@matronics.com
[mailto:owner-stratus-list-server@matronics.com] On Behalf Of gary
Subject: Re: Stratus-List: RAM Heads Installed and Running
--> Stratus-List message posted by: "gary" <FlyinK@Efortress.com>
where exactly are your egt's? after the elbow on the stock stratus
exhaust? how many inches from head or elbow?
thanks and congrats,
gary
----- Original Message -----
From: "Hugh & Sherry MacKenzie" <hugs.mackenzie@sympatico.ca>
Subject: Stratus-List: RAM Heads Installed and Running
> --> Stratus-List message posted by: "Hugh & Sherry MacKenzie"
<hugs.mackenzie@sympatico.ca>
>
> I finally got back into the air after having my heads re-done by RAM.
Also,
> installed an EGT gauge with probes in both pipes as well as changed
> the
carb
> main jets to 170 which seemed to be the size to use based on reports
> from this list.
>
> The engine is definitely running better now. I had some nagging minor
> vibration after my rebuild earlier, but that seems to be gone. Note
> sure
if
> it is due to the heads or some belt adjustment or... I certainly feel
> more confident now with the RAM heads.
>
> For those interested, here are some temps I have seen. EGT at
> 4800-5000rpm are around 1350-1375 deg.F. From what I have seen on the
> list, this seems
to
> be OK?? I was very pleased in that one flight was on a very hot day,
around
> 28 deg.C. with a humidex of around 32. The head temp was 195deg.F. at
> 4800rpm and 200 at 5000rpm. The oil temp was 215 and 220 respectively.
Today
> was cooler, about 22 deg.C. and head temp only reached 185 and oil
> temp 200max. The head temp is based on the stratus supplied sensor
> screwed into the head.
>
> The spark plugs look pretty good, and I don't think I would want to go
> any richer on the mixture. I have not changed the circlip on the
> needle from it's original position.
>
> On the first flight, the left side EGT was a little lower than the
> right, between 20 to maybe 50deg.F. at various rpm's. My gauge is
> analog and has
a
> very small scale, so hard to see exactly how far apart they were. On
> the second flight, I had a better view angle on the gauge and the
> temps seemed to be about bang on at cruise. I will keep an eye on it
> to see if it is really the temps or my view of the gauge.
>
> As a side note, I have been running my engine with both ignitions on
> at
all
> times since my first flight 6 years ago. Never any ignition problems
(knock
> on wood). Only about 100 hours though in that time. Now that things
> seem
to
> be running well, hope to get a lot of flying in.
>
> FYI, Hugh
>
> 601HDS
>
>
==
direct advertising on the Matronics Forums.
==
==
==
Message 11
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| Subject: | Running on both ign's & more |
--> Stratus-List message posted by: "Hugh & Sherry MacKenzie" <hugs.mackenzie@sympatico.ca>
I am sure I was told to run them both at the same time by Reiner. My manual
has no info on it (1998).
-----Original Message-----
From: owner-stratus-list-server@matronics.com
[mailto:owner-stratus-list-server@matronics.com] On Behalf Of Hinde, Frank
George (Corvallis)
Subject: RE: Stratus-List: Running on both ign's & more
--> Stratus-List message posted by: "Hinde, Frank George (Corvallis)"
<frank.hinde@hp.com>
Its amazing isn't it how Stratus now provides warnings about things that
it never used to...I was even told my valve guides fell out because I
ran both ignitions together...Can we say B*** S***!!!
Anyway I'm not saying this is not true but I personally have never had
any problems and I'm not aware of anyone on the Airsoob/Flysoob lists
having issues with the coil joiner overheating. I have ran mine
continuously together for about 300 hours.
While we research this it might be prudent to run both together just
during TO and landing.
Very interesting to hear about the new pickup...I assume you don't need
the TP 45's with this pickup?? Are you going this path?...I might change
mine eventually if yours work good.
The original feedle ND pickup is about $300 but the pickup coil seems to
be OK. That's why you wire it to a TP 45 for $45 each (actually I have a
scrapyard unit for my second chip plus a "spare" mounted on a plate such
that if ever one of them died a long way from home I can simply unplug
the wires from the dud and plug into the spare).
Incidently, I cannot get my ignition to fire in the cold weather or if
its damp...So what you do is to crank the engine with just the primary
ignition ON...Then as it cranks swith the second ignition on and off
slowly. The manuual switch fires the plugs and it barks into life first
or second try!...:)
Not a problem in flight 'cos its all but impossible to stop a
windmilling propellor.
Frank
Do not archive
-----Original Message-----
From: owner-stratus-list-server@matronics.com
[mailto:owner-stratus-list-server@matronics.com] On Behalf Of Larry
McFarland
Subject: Re: Stratus-List: Running on both ign's & more
--> Stratus-List message posted by: "Larry McFarland"
--> <larrymc@qconline.com>
Frank,
This morning you've got me moving my primary A-ignition wire from what
was an A-B switch to the primary ignition switch and adding a new wire
from the B-ignition switch to its own fuse on the bus. It's the prudent
thing to do, but I am reluctant to run both because there is still a
concern for overheating the coil selector per the Stratus manual
warning.
Most recent guidance by Paul Messinger indicates "Standard" brand XL600
pickups have a stainless mount plate that avoid cross coupling and
provide a good spark at lower rpm for starting.
This pickup is also not connected to any module so they are cheaper,
$75.00 each at NAPA store.
Larry
> --> Stratus-List message posted by: "Hinde, Frank George (Corvallis)"
<frank.hinde@hp.com>
>
> Especially when you consider the ND ignitor chip is notoriously feeble
> as well!
>
> I built my system using the the ND pickups and the TP45 modules built
> into the same distributor. Seems to be a prettyy bullet proof system
> although if I were doing it again I might see if I could buy an after
> market crank pick up kit from Summit racing.
>
> Most of their stuff seems to be very high quality and that would avoid
> depending on a single dizzy.
>
> Another thought. Using my system there is no reason not to just use
> both systems for TO and landing but switch on off in cruise if you
> wanted to.
> > Both systems are fed from two independent batteries also. It would
> > take a mechanical failure (not the alternator because the two
> > battery systems are isolated) to stop my engine as both systems run
> > all the time.
> >
> > Frank
==
direct advertising on the Matronics Forums.
==
==
==
Message 12
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| Subject: | Re: Running on both ign's & more |
--> Stratus-List message posted by: "Larry McFarland" <larrymc@qconline.com>
I'm expecting the pickups to arrive Thursday, so the TP45s were mounted
on the heat shields this afternoon. My wiring has been converted to 1/4"
spade
connectors and the rest awaits conversion of a spare ND distributor.
Shouldn't take long, probably into next week, I really have the itch to fly
this thing.
Larry
Do not archive
----- Original Message -----
From: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
Subject: RE: Stratus-List: Running on both ign's & more
> --> Stratus-List message posted by: "Hinde, Frank George (Corvallis)"
<frank.hinde@hp.com>
>
> Looks good.
>
> When dou you think you might get them installed?
>
> Frank
>
> Do not archive
>
> -----Original Message-----
> From: owner-stratus-list-server@matronics.com
> [mailto:owner-stratus-list-server@matronics.com] On Behalf Of Larry
> McFarland
> To: stratus-list@matronics.com
> Subject: Re: Stratus-List: Running on both ign's & more
>
>
> --> Stratus-List message posted by: "Larry McFarland"
> --> <larrymc@qconline.com>
>
>
> This is the route I'm taking, but
> you still need the TP45s for each pickup, but you don't have to throw
> away a module to connect with a much improved and robust one. The
> LX600 is a pickup from a 1985 Subaru XT. See
> http://www.smpcorp.com/home.asp and you can find your way thru the
> parts easily.
>
> Larry
> Do not archive
>
> > Very interesting to hear about the new pickup...I assume you don't
> > need the TP 45's with this pickup?? Are you going this path?...I might
>
> > change mine eventually if yours work good.
> >
> > Frank
>
>
> ==
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>
Message 13
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| Subject: | Running on both ign's & more |
--> Stratus-List message posted by: "Hugh & Sherry MacKenzie" <hugs.mackenzie@sympatico.ca>
I have the primary on the key switch and the secondary wired separately on a
second switch. I didn't wire the secondary to the tack so if I lost the
primary, would loose the rpm. I check both before and after flight. I have a
hard time turning off a good ignition but you are making me think about it.
As someone said, we have to be comfortable in our own planes.
Thanks for everyone's input and good discussion.
Hugh
-----Original Message-----
From: owner-stratus-list-server@matronics.com
[mailto:owner-stratus-list-server@matronics.com] On Behalf Of Hinde, Frank
George (Corvallis)
Subject: RE: Stratus-List: Running on both ign's & more
--> Stratus-List message posted by: "Hinde, Frank George (Corvallis)"
<frank.hinde@hp.com>
Yes but can you do it at VX 30 feet off the deck trying to get over a
very large tree?
What if your "changeover" switch should fail?...You then lose both
systems?
Its your airplane and you need to be comfortable but there is no way
(and I didn't) I would design my system to rely on any shared components
which represent a single point of failure.
I run both systems from an individual single on/off switch (main ign is
from the key switch) and you can check your system on the ground because
when you turn on the second ignition the RPM's pick up unmistakenly...I
wired both mine to a lead going to the tach so you can also read the
RPM's from both systems.....Becareful not to use a chagover swith here
either because if the lead grounds out both systems will die.
Both systems are fed from two independent batteries also. It would take
a mechanical failure (not the alternator because the two battery systems
are isolated) to stop my engine as both systems run all the time.
Frank
-----Original Message-----
From: owner-stratus-list-server@matronics.com
[mailto:owner-stratus-list-server@matronics.com] On Behalf Of The
Meiste's
Subject: Stratus-List: Running on both ign's & more
--> Stratus-List message posted by: "The Meiste's" <meiste@essex1.com>
> When running both ignitions at the same time, do you have a way to
> know if one quits, or is the silence of the last one shutting down
> your first notice that they're both off?
++++++++++++++++++++++++++++++++++++++++++++++++++++
Amen to that!
Like Larry, I also had a in-flight ign failure, but mine was on the
primary ign and not the backup as Larry's was (nice job Larry being able
to handle that on your first flight!). NOW if I happened to have Larry's
backup ign installed in my plane, and I was running BOTH ign's
continuously and my primary ign then failed I would have fallen form the
sky like a brick, all the while thinking my back up ign was going to
save my butt. Yes people do run both ign's and get way with it, but
coming from a guy that's been there & done that ..... no thanks. I do my
ground check, then take off and shut down #2 and have it there if
needed. It's really no big deal to switch over to the other ign if one
fails. Heck I was at less than 900 feet AGL when my went out. It's
amazing how fast you can react once that large fan stops turning to keep
you cool.
On a side note, this past weekend I added carb overflow tubes to my Bing
carbs to route any fuel overflow harmlessly AWAY from my exhaust system.
Having heard the stories about nasty things happening if you simply
lengthen the existing tubes I wisely (or so I thought) made my existing
tubes dump into approx 1/2" dia tubes. I was thinking this would not
cause a problem with the carb pressures as I had lots of clearance
between the two tubes, and they were only slid together by 1/2" .......
WRONG! All was normal on takeoff until I reached the end of 07, then the
engine started running VERY rough. I then slowly turned and knowing I
would never make it back to 07, landed on 18 while loosing more rpm the
entire way. I think I would rather have my ign fail in flight & switch
over to my back up than do that over again, as it was NOT a fun flight.
After landing I pulled the Bing overflows out of my newly installed
larger dia over flow tubes, then changed my underwear and went for
another flight. All went well that time. So how are others handling this
issue, must one go to 1 inch dia tubes to prevent the pressure change
issue with these tubes? Thanks for listening,
Kelly Meiste
601 HD (98 hours)
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