Today's Message Index:
----------------------
1. 05:43 AM - MX20 vertical stripes (Ralph E. Capen)
2. 06:08 AM - Re: MX20 vertical stripes (Chuck Jensen)
3. 07:40 AM - Re: MX20 vertical stripes (Ralph E. Capen)
4. 07:41 AM - Re: MX20 vertical stripes (Ralph E. Capen)
5. 09:21 AM - Re: Where is the fun in straight and level? (Valovich, Paul)
6. 10:19 AM - RV9-A for sale (James H Nelson)
7. 03:21 PM - Re: Where is the fun in straight and level? (Dave Nellis)
8. 07:33 PM - Re: Where is the fun in straight and level? (william hilling)
Message 1
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| Subject: | MX20 vertical stripes |
Folks,
I am about 11 hours in to my flyoff hours for my RV6A and have found what I think
is an alternator-based electrical anomaly.
When I operate my radio stack from battery power (on the ground) - everythings
fine.
When I operate my radio stack from alternator power, I get single pixel wide vertical
colored stripes on my MX20 display. The stripes don't change with RPM
- they just show up when I turn the unit on and annoy me.
I still need to determine if it is the B&C 60 or the B&C SD20 making the stripes
appear. I'm guessing that it's the 60 since the 20 is a backup that doesn't
kick in while the 60 is running. This should be an easy test though as I have
individual control of each alternator.....
I'll verify good grounds and bonds next weekend. I did not install any additional
grounds/bonds/shielding other than what was specified in the install manual
and wiring diagrams.
I'll be sending this to the Garmin tech support folks to see what they say too
- but I'm fairly certain that I can get good scoop here.
Thanks,
Ralph
RV6A N822AR @ N06 10.7hrs in to the fly-off period
Message 2
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| Subject: | MX20 vertical stripes |
Ralph,
I have the same thing with an MX20. I figured it was a connector problem on the
side of the display and totally unrelated to anything else. Mine had gotten
progressively worse...more stripes, to the point that I was contemplating upgrading
to the MX200...then it went away for a couple week, then a couple stripes
came back. I still believe it is a side connector issue, but then I don't
know much of anything about it, so don't take my advice to the bank and try to
cash it.
I'm just living with it until it gets worse. Curious. What is you hypothesis
how the stripes could be related to the regulator or other electrical component?
Chuck Jensen
-----Original Message-----
From: owner-rv-list-server@matronics.com
[mailto:owner-rv-list-server@matronics.com]On Behalf Of Ralph E. Capen
Sent: Monday, April 20, 2009 8:42 AM
Subject: RV-List: MX20 vertical stripes
Folks,
I am about 11 hours in to my flyoff hours for my RV6A and have found what I think
is an alternator-based electrical anomaly.
When I operate my radio stack from battery power (on the ground) - everythings
fine.
When I operate my radio stack from alternator power, I get single pixel wide vertical
colored stripes on my MX20 display. The stripes don't change with RPM
- they just show up when I turn the unit on and annoy me.
I still need to determine if it is the B&C 60 or the B&C SD20 making the stripes
appear. I'm guessing that it's the 60 since the 20 is a backup that doesn't
kick in while the 60 is running. This should be an easy test though as I have
individual control of each alternator.....
I'll verify good grounds and bonds next weekend. I did not install any additional
grounds/bonds/shielding other than what was specified in the install manual
and wiring diagrams.
I'll be sending this to the Garmin tech support folks to see what they say too
- but I'm fairly certain that I can get good scoop here.
Thanks,
Ralph
RV6A N822AR @ N06 10.7hrs in to the fly-off period
Message 3
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| Subject: | Re: MX20 vertical stripes |
Here's where some of that 'education and recreation' comes in....
What is meant by "across the alternator output"?
Would one leg of the capacitor be attached to the "B" lead (fat output wire) and
the other leg to ground for each of the two alternators?
Where would "another one inside the panel" go? Power lead to the affected device
and ground?
Thanks,
Ralph
-----Original Message-----
>From: wa8vwy2@bellsouth.net
>Sent: Apr 20, 2009 9:08 AM
>To: RV7A@yahoogroups.com
>Subject: Re: [RV Builders] MX20 vertical stripes
>
>Sounds like RF from the alternator - can come from sparking of the brushes on the field's slip rings. You might want to try a 50 volt, 10 uF ceramic capacitor, leaded version, and put it across the alternator output as close to the alternator as possible. You could also put another one somewhere inside the panel. Check www.digikey.com for the part # 445-2903-ND will cost about $11 for five of them, with shipping included.
>
>-------------- Original message from "Ralph E. Capen" <recapen@earthlink.net>:
--------------
>
>
>Folks,
>
>I am about 11 hours in to my flyoff hours for my RV6A and have found what I think
is an alternator-based electrical anomaly.
>
>When I operate my radio stack from battery power (on the ground) - everythings
fine.
>When I operate my radio stack from alternator power, I get single pixel wide vertical
colored stripes on my MX20 display. The stripes don't change with RPM
- they just show up when I turn the unit on and annoy me.
>
>I still need to determine if it is the B&C 60 or the B&C SD20 making the stripes
appear. I'm guessing that it's the 60 since the 20 is a backup that doesn't
kick in while the 60 is running. This should be an easy test though as I have
individual control of each alternator.....
>
>I'll verify good grounds and bonds next weekend. I did not install any additional
grounds/bonds/shielding other than what was specified in the install manual
and wiring diagrams.
>
>I'll be sending this to the Garmin tech support folks to see what they say too
- but I'm fairly certain that I can get good scoop here.
>
>Thanks,
>Ralph
>RV6A N822AR @ N06 10.7hrs in to the fly-off period
>
>
Message 4
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| Subject: | MX20 vertical stripes |
Chuck,
No hypothesis on how the effect comes in - I have only seen it with the alternator
running and then turning the unit on.
I probably need to try and check it out with either or no alternators producing
output - as it could still be generated by ignition.....
Honestly - I don't know....
But I'll let folks know how it ends - when it ends......
Ralph
-----Original Message-----
>From: Chuck Jensen <cjensen@dts9000.com>
>Sent: Apr 20, 2009 9:10 AM
>To: rv-list@matronics.com
>Subject: RE: RV-List: MX20 vertical stripes
>
>
>Ralph,
>
>I have the same thing with an MX20. I figured it was a connector problem on the
side of the display and totally unrelated to anything else. Mine had gotten
progressively worse...more stripes, to the point that I was contemplating upgrading
to the MX200...then it went away for a couple week, then a couple stripes
came back. I still believe it is a side connector issue, but then I don't
know much of anything about it, so don't take my advice to the bank and try to
cash it.
>
>I'm just living with it until it gets worse. Curious. What is you hypothesis
how the stripes could be related to the regulator or other electrical component?
>
>Chuck Jensen
>
>
>-----Original Message-----
>From: owner-rv-list-server@matronics.com
>[mailto:owner-rv-list-server@matronics.com]On Behalf Of Ralph E. Capen
>Sent: Monday, April 20, 2009 8:42 AM
>To: Aeroelectric-list; rv-list
>Subject: RV-List: MX20 vertical stripes
>
>
>
>Folks,
>
>I am about 11 hours in to my flyoff hours for my RV6A and have found what I think
is an alternator-based electrical anomaly.
>
>When I operate my radio stack from battery power (on the ground) - everythings
fine.
>When I operate my radio stack from alternator power, I get single pixel wide vertical
colored stripes on my MX20 display. The stripes don't change with RPM
- they just show up when I turn the unit on and annoy me.
>
>I still need to determine if it is the B&C 60 or the B&C SD20 making the stripes
appear. I'm guessing that it's the 60 since the 20 is a backup that doesn't
kick in while the 60 is running. This should be an easy test though as I have
individual control of each alternator.....
>
>I'll verify good grounds and bonds next weekend. I did not install any additional
grounds/bonds/shielding other than what was specified in the install manual
and wiring diagrams.
>
>I'll be sending this to the Garmin tech support folks to see what they say too
- but I'm fairly certain that I can get good scoop here.
>
>Thanks,
>Ralph
>RV6A N822AR @ N06 10.7hrs in to the fly-off period
>
>
Message 5
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| Subject: | Re: Where is the fun in straight and level? |
Do it - just 'cause you can!
During my 30 year navy career (mostly A-4's and A-7's) I developed the habi
t / goal of going inverted at least once per flight - for no other reason t
han to celebrate the luck and joy of being up there. I also tried to do at
least one 4 g turn.
Sometimes logic has nothing to do with it - although many will argue in the
tactical arena, situational awareness is much better being inverted lookin
g down!
Booger
RV-8A N192NM Reserved (again)
Message 6
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Must sell RV9-A, $92,000 St. Petersburg, Fl., Through Phase One
completed, Slider canopy, Dual GRT Horizon l (vertical mounted), TruTrac
Flight syst. (Pictoral pilot) wing level and altitude hold. A200 ICOM,
Garmin 330 transponder with TIS, Garmin 396 gps, lots of other things. I
built this for my personal retirement love bird.
Completed info is available for everything and all the paper work and
drawings. If your are interested and at S&F this coming week, PIE is
only 60 miles to St. Petersburg to see it in detail.
Jim Nelson
N15JN
____________________________________________________________
Live your dreams. Click here to find information on becoming a lawyer.
http://thirdpartyoffers.juno.com/TGL2141/fc/BLSrjpTOPOH15JaYPwPVUsDpqxdddo237jll4ZYn7MDhdR3U6pFNPa9Rox6/
Message 7
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| Subject: | Re: Where is the fun in straight and level? |
A story about straight and level.
An F-16 pilot came across a lone C-130 and formed up on the 130. They talked a
bit and the 16 pilot says "bet you can't top this". With that said, the 16 pilot
began to tear up the sky doing loops, rolls and flying inverted. When he
finished, the 130 pilot says "I can beat that". The 16 pilot waited but nothing
happened for about 10 minutes. The plane did nothing but fly straight and
level. The 130 pilot came back on the radio and said "what did you think of
that?" The 16 pilot said "you did nothing but fly straight and level". The 130
pilot said "I sure did do something. I went to the can and took a dump, made
a cup of coffee and talked to my loadmaster. Beat that!"
Dave
--- On Mon, 4/20/09, Valovich, Paul <pvalovich@dcscorp.com> wrote:
> From: Valovich, Paul <pvalovich@dcscorp.com>
> Subject: Re: RV-List: Where is the fun in straight and level?
> To: "rv-list@matronics.com" <rv-list@matronics.com>
> Date: Monday, April 20, 2009, 12:20 PM
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> Do it just cause you
> can!
>
>
>
> During my 30 year navy career (mostly
> A-4s and A-7s)
> I developed the habit / goal of going inverted at least
> once per flight
> for no other reason than to celebrate the luck and joy of
> being up there. I
> also tried to do at least one 4 g turn.
>
>
>
> Sometimes logic has nothing to do with
> it although many
> will argue in the tactical arena, situational awareness is
> much better being
> inverted looking down!
>
> Booger
>
> RV-8A N192NM Reserved (again)
>
>
>
>
>
>
>
>
>
>
>
Message 8
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| Subject: | Where is the fun in straight and level? |
Is that why Van's sells RV-9's ?
> Date: Mon=2C 20 Apr 2009 15:20:17 -0700
> From: truflite@yahoo.com
> Subject: Re: RV-List: Where is the fun in straight and level?
> To: rv-list@matronics.com
>
>
>
> A story about straight and level.
>
> An F-16 pilot came across a lone C-130 and formed up on the 130. They tal
ked a bit and the 16 pilot says "bet you can't top this". With that said=2C
the 16 pilot began to tear up the sky doing loops=2C rolls and flying inve
rted. When he finished=2C the 130 pilot says "I can beat that". The 16 pilo
t waited but nothing happened for about 10 minutes. The plane did nothing b
ut fly straight and level. The 130 pilot came back on the radio and said "w
hat did you think of that?" The 16 pilot said "you did nothing but fly stra
ight and level". The 130 pilot said "I sure did do something. I went to the
can and took a dump=2C made a cup of coffee and talked to my loadmaster. B
eat that!"
>
> Dave
>
>
> --- On Mon=2C 4/20/09=2C Valovich=2C Paul <pvalovich@dcscorp.com> wrote:
>
> > From: Valovich=2C Paul <pvalovich@dcscorp.com>
> > Subject: Re: RV-List: Where is the fun in straight and level?
> > To: "rv-list@matronics.com" <rv-list@matronics.com>
> > Date: Monday=2C April 20=2C 2009=2C 12:20 PM
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > Do it ' just =91cause you
> > can!
> >
> >
> >
> > During my 30 year navy career (mostly
> > A-4=92s and A-7=92s)
> > I developed the habit / goal of going inverted at least
> > once per flight '
> > for no other reason than to celebrate the luck and joy of
> > being up there. I
> > also tried to do at least one 4 g turn.
> >
> >
> >
> > Sometimes logic has nothing to do with
> > it ' although many
> > will argue in the tactical arena=2C situational awareness is
> > much better being
> > inverted looking down!
> >
> > Booger
> >
> > RV-8A N192NM Reserved (again)
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
>
>
>
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>
>
>
_________________________________________________________________
Windows Live=99: Keep your life in sync.
http://windowslive.com/explore?ocid=TXT_TAGLM_WL_allup_1a_explore_042009
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