Today's Message Index:
----------------------
1. 05:25 AM - Re: Looking for good location for magnetometer and OAT sensor (vvkidd@mindspring.com)
2. 06:04 AM - Re: Looking for good location for magnetometer and OAT sensor (Jeff Davidson)
3. 08:10 PM - Radio update***** interesting!!!! Icon A200 (SIDESLIP)
4. 08:20 PM - Re: Radio/Comm issue! Grounding airplane from flying... HELP! (SIDESLIP)
5. 08:25 PM - Re: Radio/Comm issue! Grounding airplane from flying... HELP! (SIDESLIP)
6. 08:27 PM - Re: Radio/Comm issue! Grounding airplane from flying... HELP! (SIDESLIP)
7. 08:42 PM - Re: Radio update***** interesting!!!! Icon A200 (Paul Mulwitz)
Message 1
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| Subject: | Looking for good location for magnetometer and OAT |
sensor
Mag is in the centerline of the acft aft of the maintenance access on the belly,
Xpndr ant is aft of the main spar and just fwd of the maintemance access, OAT
probbe is in the pilots fresh air intake.
Victor Kidd
Charleston, WV CRW
N922VK
-----Original Message-----
>From: Larry McFarland <larrycmcfarland@gmail.com>
>Sent: Nov 10, 2012 1:53 PM
>To: zenith601-list@matronics.com
>Subject: RE: Zenith601-List: Looking for good location for magnetometer and OAT
sensor
>
>
>Hi John,
>I had placed my OAT sensor just below the foot pedals and on the opposite
>side from the exhaust. The Transponder antenna went behind the seats belly
>skin center.
>Works fine. Neither was hard to route to these points.
>
>Larry McFarland (bought Cherokee 140 and sold the 601HDS)
>
>-----Original Message-----
>From: owner-zenith601-list-server@matronics.com
>[mailto:owner-zenith601-list-server@matronics.com] On Behalf Of w8n2bup
>Sent: Saturday, November 10, 2012 7:53 AM
>To: zenith601-list@matronics.com
>Subject: Zenith601-List: Looking for good location for magnetometer and OAT
>sensor
>
>--> <johnrich987@hotmail.com>
>
>Hi all. I have a Grand Rapids panel I am wiring up and they said the wing
>tip was the best location for the magnetometer. This would be difficult as I
>have already built the wing. Fuselage was suggested as long as I'm away from
>ferris metal about 2 feet. Wanted to know if anyone has had luck with a
>SPECIFIC location; perhaps under the luggage area? Also looking for a nice
>location for the OAT sensor i.e. away from engine heat and sun. And as long
>as I'm at it, I see that my transponder antenna is suppose to be at least 3
>feet from the unit itself which eliminates putting it thru the floor in
>front of the spar. Ideas? Thanks, John
>
>
>Read this topic online here:
>
>http://forums.matronics.com/viewtopic.php?p=387501#387501
>
>
Message 2
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| Subject: | Looking for good location for magnetometer and OAT |
sensor
On my 601 HD, the Dynon mag is located at the extreme rear of the baggage compartment
above the floor with an alum cover. It works great and agrees with the
wet compass. The transponder antenna is located in the short stub of the right
wing (HD) to get it as far away from people as possible while keeping the cable
short. My OAT is under the saddle to keep it out of direct sunlight and
still open to outside air. The wires run though a conduit from the tail to the
baggage area. Works well.
Jeff Davidson
N601T
-----Original Message-----
>From: vvkidd@mindspring.com
>Sent: Nov 11, 2012 8:24 AM
>To: zenith601-list@matronics.com
>Subject: RE: Zenith601-List: Looking for good location for magnetometer and OAT
sensor
>
>
>Mag is in the centerline of the acft aft of the maintenance access on the belly,
>Xpndr ant is aft of the main spar and just fwd of the maintemance access, OAT
>probbe is in the pilots fresh air intake.
>
>Victor Kidd
>Charleston, WV CRW
>N922VK
>
>
>-----Original Message-----
>>From: Larry McFarland <larrycmcfarland@gmail.com>
>>Sent: Nov 10, 2012 1:53 PM
>>To: zenith601-list@matronics.com
>>Subject: RE: Zenith601-List: Looking for good location for magnetometer and OAT
sensor
>>
>>
>>Hi John,
>>I had placed my OAT sensor just below the foot pedals and on the opposite
>>side from the exhaust. The Transponder antenna went behind the seats belly
>>skin center.
>>Works fine. Neither was hard to route to these points.
>>
>>Larry McFarland (bought Cherokee 140 and sold the 601HDS)
>>
>>-----Original Message-----
>>From: owner-zenith601-list-server@matronics.com
>>[mailto:owner-zenith601-list-server@matronics.com] On Behalf Of w8n2bup
>>Sent: Saturday, November 10, 2012 7:53 AM
>>To: zenith601-list@matronics.com
>>Subject: Zenith601-List: Looking for good location for magnetometer and OAT
>>sensor
>>
>>--> <johnrich987@hotmail.com>
>>
>>Hi all. I have a Grand Rapids panel I am wiring up and they said the wing
>>tip was the best location for the magnetometer. This would be difficult as I
>>have already built the wing. Fuselage was suggested as long as I'm away from
>>ferris metal about 2 feet. Wanted to know if anyone has had luck with a
>>SPECIFIC location; perhaps under the luggage area? Also looking for a nice
>>location for the OAT sensor i.e. away from engine heat and sun. And as long
>>as I'm at it, I see that my transponder antenna is suppose to be at least 3
>>feet from the unit itself which eliminates putting it thru the floor in
>>front of the spar. Ideas? Thanks, John
>>
>>
>>
>>
>>Read this topic online here:
>>
>>http://forums.matronics.com/viewtopic.php?p=387501#387501
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
Message 3
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| Subject: | Radio update***** interesting!!!! Icon A200 |
So, fellas,
I figured I'd start a new thread about this, since I have narrowed the issue down.
So, the A200 was bench tested, and tested out fine. The only item that seemed out
of whack, was the side tone, which was set VERY high. I cleaned the terminals
on the back of the radio prior to install. I tightened the radio into its tray
firmly, and proceeded to test. The squeal seemed to be gone on 129.10, both
with engine running, and without. This problem I BELIEVE is definitely a squelch
problem. I transmitted the squeal, and while mid transmit, unplugged the
mic cord. The squeal stopped immediately. Then I tried messing with different
volume/squelch settings on the flightcom. To no avail, squeal still present....
Here is where it gets weird.... I pulled the mic away from my face, NO MORE SQUEAL!
Well, very very little, and when I tapped the mic, it tried to come back,
but then faded. So, I figured, let's try the tower. I turned my head looking
over my right shoulder, and ZERO squeal. When I am facing straight ahead, and
get it to squeal, while it is mid squeal, I cover the mic with my hand, and it
deadens it considerably!
IF this was wiring, here is how I disprove that theory....
The handheld transmits and receives PERFECTLY and gives 5/5 no matter what! Worked
seamless. Flip back to the A200, and squeal! Keep in mind, the handheld is
wired into the flightcom as well, and shares all of the same wiring as the A200!
So, the final question........ Could this be as simple as the mic gain on
the 200? With the engine running, there is zero interference from the engine.
On BOTH radios. I think that this proves that the grounds are good, wiring is
good and the flightcom is good. I still get the strobe POP when they fire, but
I get that SAME pop in the Cessna 172M I fly! So, that is an acceptable noise
for me. And since a certified very high dollar factory built airplane has strobe
noise, I'm not too concerned about this one. It really is quiet. So......
MIC GAIN, OR NOT TO MIC GAIN ADJUST? Or try changing antennas? Thoughts? After
changing the side tone, it is MUCH better. Still not acceptable, but it DID get
better. I've read a lot of people suggesting to adjust the mic gains, with
great results for them, yet others say it won't do a thing. It is DEFINITELY feedback
like you'd hear from an amplifier too close to an electric guitar.
I feel that I'm right on the edge of solving this problem.....I'm thinking, that
if I can change antennas and that resolves it, it may be as simple as a faulty
antenna, or maybe even not the right one?
It's would be great to hear some feedback from the pro Bob Nucholls (sp?)
Thanks in advance!!!
Chad Scriver
--------
C-GYXQ. 912ULS. 601XL-B
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=387580#387580
Message 4
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| Subject: | Re: Radio/Comm issue! Grounding airplane from flying... |
HELP!
****** UPDATE!!!!
I fingered around to check for loose grounds etc..... But....
So, fellas,
I figured I'd start a new thread about this, since I have narrowed the issue down.
So, the A200 was bench tested, and tested out fine. The only item that seemed out
of whack, was the side tone, which was set VERY high. I cleaned the terminals
on the back of the radio prior to install. I tightened the radio into its tray
firmly, and proceeded to test. The squeal seemed to be gone on 129.10, both
with engine running, and without. This problem I BELIEVE is definitely a squelch
problem. I transmitted the squeal, and while mid transmit, unplugged the
mic cord. The squeal stopped immediately. Then I tried messing with different
volume/squelch settings on the flightcom. To no avail, squeal still present....
Here is where it gets weird.... I pulled the mic away from my face, NO MORE SQUEAL!
Well, very very little, and when I tapped the mic, it tried to come back,
but then faded. So, I figured, let's try the tower. I turned my head looking
over my right shoulder, and ZERO squeal. When I am facing straight ahead, and
get it to squeal, while it is mid squeal, I cover the mic with my hand, and it
deadens it considerably!
IF this was wiring, here is how I disprove that theory....
The handheld transmits and receives PERFECTLY and gives 5/5 no matter what! Worked
seamless. Flip back to the A200, and squeal! Keep in mind, the handheld is
wired into the flightcom as well, and shares all of the same wiring as the A200!
So, the final question........ Could this be as simple as the mic gain on
the 200? With the engine running, there is zero interference from the engine.
On BOTH radios. I think that this proves that the grounds are good, wiring is
good and the flightcom is good. I still get the strobe POP when they fire, but
I get that SAME pop in the Cessna 172M I fly! So, that is an acceptable noise
for me. And since a certified very high dollar factory built airplane has strobe
noise, I'm not too concerned about this one. It really is quiet. So......
MIC GAIN, OR NOT TO MIC GAIN ADJUST? Or try changing antennas? Thoughts? After
changing the side tone, it is MUCH better. Still not acceptable, but it DID get
better. I've read a lot of people suggesting to adjust the mic gains, with
great results for them, yet others say it won't do a thing. It is DEFINITELY feedback
like you'd hear from an amplifier too close to an electric guitar.
I feel that I'm right on the edge of solving this problem.....I'm thinking, that
if I can change antennas and that resolves it, it may be as simple as a faulty
antenna, or maybe even not the right one?
It's would be great to hear some feedback from the pro Bob Nuckolls.
Thanks in advance!!! I appreciate ALL of your inputs! Dying to try to solve this
so I can go flying my new airplane!
Chad Scriver
--------
C-GYXQ. 912ULS. 601XL-B
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=387583#387583
Message 5
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| Subject: | Re: Radio/Comm issue! Grounding airplane from flying... |
HELP!
zman601xl(at)AOL.COM wrote:
> Chad,
> I had a similar issue with my Icom A210 radio.If I put my mouth to close to
the mic it would really squeal bad.I went to the menu and adjusted the mic gain.That
helped my problem.
> Bob Haring N107RW(CH601XLB)
>
>
>
>
> zman601xl@aol.com
>
>
>
>
> Bob;
>
> So, fellas,
>
> I figured I'd start a new thread about this, since I have narrowed the issue
down.
>
> So, the A200 was bench tested, and tested out fine. The only item that seemed
out of whack, was the side tone, which was set VERY high. I cleaned the terminals
on the back of the radio prior to install. I tightened the radio into its
tray firmly, and proceeded to test. The squeal seemed to be gone on 129.10, both
with engine running, and without. This problem I BELIEVE is definitely a squelch
problem. I transmitted the squeal, and while mid transmit, unplugged the
mic cord. The squeal stopped immediately. Then I tried messing with different
volume/squelch settings on the flightcom. To no avail, squeal still present....
>
> Here is where it gets weird.... I pulled the mic away from my face, NO MORE SQUEAL!
Well, very very little, and when I tapped the mic, it tried to come back,
but then faded. So, I figured, let's try the tower. I turned my head looking
over my right shoulder, and ZERO squeal. When I am facing straight ahead, and
get it to squeal, while it is mid squeal, I cover the mic with my hand, and
it deadens it considerably!
>
> IF this was wiring, here is how I disprove that theory....
>
> The handheld transmits and receives PERFECTLY and gives 5/5 no matter what! Worked
seamless. Flip back to the A200, and squeal! Keep in mind, the handheld
is wired into the flightcom as well, and shares all of the same wiring as the
A200! So, the final question........ Could this be as simple as the mic gain on
the 200? With the engine running, there is zero interference from the engine.
On BOTH radios. I think that this proves that the grounds are good, wiring is
good and the flightcom is good. I still get the strobe POP when they fire, but
I get that SAME pop in the Cessna 172M I fly! So, that is an acceptable noise
for me. And since a certified very high dollar factory built airplane has strobe
noise, I'm not too concerned about this one. It really is quiet. So......
MIC GAIN, OR NOT TO MIC GAIN ADJUST? Or try changing antennas? Thoughts? After
changing the side tone, it is MUCH better. Still not acceptable, but it DID
get better. I've read a lot of people suggesting to adjust the mic gains, with
great results for them, yet others say it won't do a thing. It is DEFINITELY
feedback like you'd hear from an amplifier too close to an electric guitar.
>
> I feel that I'm right on the edge of solving this problem.....I'm thinking, that
if I can change antennas and that resolves it, it may be as simple as a faulty
antenna, or maybe even not the right one?
>
> It's would be great to hear some feedback from the pro Bob Nuckolls.
>
>
> Thanks in advance!!!
>
> Chad Scriver
>
>
>
>
> --
--------
C-GYXQ. 912ULS. 601XL-B
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=387584#387584
Message 6
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| Subject: | Re: Radio/Comm issue! Grounding airplane from flying... |
HELP!
Which way do you turn the mic gain pot to lower it? Do we have to lower it much?
Clockwise looking down at the top of the case, or counter clockwise?
Thanks Bob
Chad
--------
C-GYXQ. 912ULS. 601XL-B
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=387585#387585
Message 7
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| Subject: | Re: Radio update***** interesting!!!! Icon A200 |
-It sounds like the squeal is feedback from the speaker/headphones to
the microphone. Sidetone is the name of this sound in the
speaker/headphone. I suspect if you turn the sidetone down even more
the squeal will go away.
Paul
Camas, WA
On 11/11/2012 8:09 PM, SIDESLIP wrote:
>
> So, fellas,
>
> I figured I'd start a new thread about this, since I have narrowed the issue
down.
>
> So, the A200 was bench tested, and tested out fine. The only item that seemed
out of whack, was the side tone, which was set VERY high. I cleaned the terminals
on the back of the radio prior to install. I tightened the radio into its
tray firmly, and proceeded to test. The squeal seemed to be gone on 129.10, both
with engine running, and without. This problem I BELIEVE is definitely a squelch
problem. I transmitted the squeal, and while mid transmit, unplugged the
mic cord. The squeal stopped immediately. Then I tried messing with different
volume/squelch settings on the flightcom. To no avail, squeal still present....
>
> Here is where it gets weird.... I pulled the mic away from my face, NO MORE SQUEAL!
Well, very very little, and when I tapped the mic, it tried to come back,
but then faded. So, I figured, let's try the tower. I turned my head looking
over my right shoulder, and ZERO squeal. When I am facing straight ahead, and
get it to squeal, while it is mid squeal, I cover the mic with my hand, and
it deadens it considerably!
>
> IF this was wiring, here is how I disprove that theory....
>
> The handheld transmits and receives PERFECTLY and gives 5/5 no matter what! Worked
seamless. Flip back to the A200, and squeal! Keep in mind, the handheld
is wired into the flightcom as well, and shares all of the same wiring as the
A200! So, the final question........ Could this be as simple as the mic gain on
the 200? With the engine running, there is zero interference from the engine.
On BOTH radios. I think that this proves that the grounds are good, wiring is
good and the flightcom is good. I still get the strobe POP when they fire, but
I get that SAME pop in the Cessna 172M I fly! So, that is an acceptable noise
for me. And since a certified very high dollar factory built airplane has strobe
noise, I'm not too concerned about this one. It really is quiet. So......
MIC GAIN, OR NOT TO MIC GAIN ADJUST? Or try changing antennas? Thoughts? After
changing the side tone, it is MUCH better. Still not acceptable, but it DID
get better. I've read a lot of people suggesting to a!
> djust the mic gains, with great results for them, yet others say it won't do
a thing. It is DEFINITELY feedback like you'd hear from an amplifier too close
to an electric guitar.
>
> I feel that I'm right on the edge of solving this problem.....I'm thinking, that
if I can change antennas and that resolves it, it may be as simple as a faulty
antenna, or maybe even not the right one?
>
> It's would be great to hear some feedback from the pro Bob Nucholls (sp?)
>
>
> Thanks in advance!!!
>
> Chad Scriver
>
> --------
> C-GYXQ. 912ULS. 601XL-B
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=387580#387580
>
>
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