Today's Message Index:
----------------------
1. 03:05 AM - Re: Bad day at the airport. . . (Stuart Hutchison)
2. 06:34 AM - Re: Bad day at the airport. . . (Robert L. Nuckolls, III)
3. 06:37 AM - Two wires in one d-sub pin (Barry)
4. 06:59 AM - Re: Two wires in one d-sub pin (Robert L. Nuckolls, III)
5. 07:11 AM - Re: Two wires in one d-sub pin (Barry)
6. 09:07 AM - DIY Comm antenna (Robert L. Nuckolls, III)
7. 09:07 AM - Re: Two Radios, One Antenna (Vern Little)
8. 09:41 AM - Re: Re: Two wires in one d-sub pin (Bob Leffler)
9. 10:36 AM - Re: Two Radios, One Antenna (Robert L. Nuckolls, III)
10. 12:20 PM - Re: Something not so special for all of us . . . (Hadley Heinrichs)
11. 12:24 PM - Re: Re: Something Special For You (Hadley Heinrichs)
12. 02:57 PM - Re: DIY Comm antenna (RGent1224@aol.com)
13. 07:49 PM - Re: DIY Comm antenna (Robert L. Nuckolls, III)
14. 07:57 PM - Re: Something not so special for all of us . . . (Robert L. Nuckolls, III)
Message 1
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Subject: | Bad day at the airport. . . |
Tragic ... my wild guess is flutter ... given only 60% of the left trim tab
appears to be separating.
Cheers, Stu
F1 Rocket VH-FLY <http://www.mykitlog.com/RockFLY>
http://www.mykitlog.com/RockFLY <about:www.teamrocketaircraft.com>
www.teamrocketaircraft.com
_____
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Robert L.
Nuckolls, III
Sent: Sunday, September 18, 2011 3:33 PM
Subject: AeroElectric-List: Bad day at the airport. . .
A friend of mine has been tracking the Reno accident. There's
a picture circulating that shows what appears to be a detached
elevator trim tap on the accident aircraft . . .
That's never a good thing . . . and can be really bad at
400 kts.
Emacs!
Bob . . .
Message 2
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Subject: | Bad day at the airport. . . |
At 05:01 AM 9/18/2011, you wrote:
>Tragic ... my wild guess is flutter ... given only 60% of the left
>trim tab appears to be separating.
Don't know about this airplane but I do know that a Beechjet
trimmed for cruise is trimmed at or near full nose down.
In fact, some pilots complain that they can't achieve book-values
for cruise speeds when their trim actuator hits the full nose
down stop before they've achieved the last few knots of
speed. This is common when the airplane is loaded heavier
by the tail.
When Beechjet trim systems fail in cruise, it takes a LOT
of nose up force on the stick to handle the airplane at
lower speeds and particularly in the approach to landing
and flare. Something on the order of 170 pounds.
Suppose this airplane trimmed for high speed suddenly
lost a substantial portion of it's nose-down trim.
It seems likely that the airplane would pitch up with
some vigor. After that, it's a mater of pilot awareness
and reaction to make the right moves on the stick . . .
assuming the forces encountered are even manageable.
The structural robustness of this airplane may be the
only reason it didn't pull the wings off in pitch-up.
The rash of v-tail bonanza accidents some years back
demonstrated many incidences where the leading edge
of the stabilizer failed downward thus causing the
airplane to pitch up followed by failure of one or
both spars.
No doubt others more informed as to this airplane's
handling characteristics will be along to help connect
the dots of information as they surface.
I understand the NTSB/FAA guys are mumbling something about
re-constructing the pieces which are numerous and quite small.
I saw video of an airframe deliberately crashed into a reactor
containment wall at dive speeds. It looked as if the airframe
had been run through a tub grinder and spit out in bite-sized
pieces. All that kinetic energy has to go somewhere.
If tab failure was the initiating event . . .and given that
the airplane hit the ground in essentially one piece . . .
it seems that re-assembly, even if possible, would only
show that the airplane had no other failures before impact.
Bob . . .
Message 3
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Subject: | Two wires in one d-sub pin |
Is it ok to crimp two wires in one d-sub pin, as long as the two wires fit into
the socket ok.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=352572#352572
Message 4
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Subject: | Re: Two wires in one d-sub pin |
At 08:35 AM 9/18/2011, you wrote:
>
>Is it ok to crimp two wires in one d-sub pin, as long as the two
>wires fit into the socket ok.
Sure . . . but those must be very tiny wires.
What's the situation?
Bob . . .
Message 5
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Subject: | Re: Two wires in one d-sub pin |
I am installing an ADSB box and I need to daisy chain three ground pins with #24
wire. Two #24 wires fit into my pins ok, so instead of splices I wanted to use
the pins as the splice. Thanks much Barry
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=352575#352575
Message 6
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Subject: | DIY Comm antenna |
The missive I've been massaging for the DIY Comm
Antenna has be molded into a "shop notes" publication
and published at:
http://aeroelectric.com/articles/Antennas/DIY_Comm_Ant/DIY_Comm.html
Bob . . .
Message 7
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Subject: | Re: Two Radios, One Antenna |
Hi Bob.
I like this design. One suggestion that I have is to provide an interlock
on the PTT function. For example, tie the common pole of the #2 PTT switch
(currently tied to ground) to the top pole of the #1 PTT switch (currently
not connected). This makes the #1 PTT the 'master'. This will prevent both
transmitters from attempting to transmit simultaneously.
Your switch makes it easy to add a portable comm into an existing
installation.
Vern
-----Original Message-----
From: Robert L. Nuckolls, III
Sent: Friday, September 02, 2011 11:03 AM
Subject: AeroElectric-List: Two Radios, One Antenna
Here's a refined concept of the device I was talking
about yesterday. The bill of materials for this gizmo
would be on the order of $50. It would have to sell
for $100 to $125 with mating connectors as a kit.
Seems like a lot of fuss to avoid putting a second
antenna on the airplane.
Bob . . .
-----
No virus found in this message.
Checked by AVG - www.avg.com
Message 8
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Subject: | Re: Two wires in one d-sub pin |
Another solution would be to use a solder sleeve. They come in a variety of
sizes. You can get them from SteinAir, ACS, and a variety of other places.
Description: main Image
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Barry
Sent: Sunday, September 18, 2011 10:09 AM
Subject: AeroElectric-List: Re: Two wires in one d-sub pin
--> < <mailto:blalmarz@embarqmail.com> blalmarz@embarqmail.com>
I am installing an ADSB box and I need to daisy chain three ground pins with
#24 wire. Two #24 wires fit into my pins ok, so instead of splices I wanted
to use the pins as the splice. Thanks much Barry
Read this topic online here:
<http://forums.matronics.com/viewtopic.php?p=352575#352575>
http://forums.matronics.com/viewtopic.php?p=352575#352575
http://www.matronics.com/Navigator?AeroElectric-List
http://www.matronics.com/contribution
Message 9
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Subject: | Re: Two Radios, One Antenna |
At 11:02 AM 9/18/2011, you wrote:
><sprocket@vx-aviation.com>
>
>Hi Bob.
>
>I like this design. One suggestion that I have is to provide an
>interlock on the PTT function. For example, tie the common pole of
>the #2 PTT switch (currently tied to ground) to the top pole of the
>#1 PTT switch (currently not connected). This makes the #1 PTT the
>'master'. This will prevent both transmitters from attempting to
>transmit simultaneously.
>
>Your switch makes it easy to add a portable comm into an existing
>installation.
Yeah, I'm debating whether or not to productionize
this design. It's really a really-quick-n-simple.
But I've got a lot of more important projects on
the back burners already . . .
Not sure about the portable comm . . . you'd need
to extend a ptt line to the antenna switch. It's certainly
applicable to dual panel-comms but a pain in
the you-know-what for a hand-held.
I toyed with a solid-state, pin-diode switch
that would switch by extended ptt lines . . .or
perhaps one channel could do it with a transmit
power detector. There's a number of amateur radio
boosters for hand-helds that simply hook into the
antenna feedline. In the receive mode, the booster
offers front end filtering and pre-amp to improve
receive functions . . . when you hit the hand-held's
ptt, the booster detects the strong RF and switches
to a transmitter boost mode.
A similar technique could be applied to either a
hard-contact relay version or a pin-diode version.
I have the equipment to develop and test a solid
state version but time to market for that task
is much longer. I think I'd stay with relays for
the quick-turn project.
Bob . . .
Bob . . .
Message 10
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Subject: | Re: Something not so special for all of us . . . |
Bob,=0A=0Athanks for your recommendations and help... i had to bite the bul
let and finally (after 2 days) tried the option of buying and- loading wi
ndows 7 in hopes of a repair. 7 could not fix it without a complete install
.- i lost all my programs and am still reloading.- my data was saved th
anks to 7.- i hope that all of you take advantage of the windows feature
on newer additions that "image" your drive.- this procedure would have sa
ved me tons of grief and time.- i was not using AVG, i recently switched
because someone told meAvira was better.- i- DISAGREE! =0A=0A=0Ai like
windows 7, very well organized.-- life goes on...=0A=0A=0Awatch the lin
ks and keep building,=0A=0AHadley=0A=0A=0A>________________________________
=0A>From: "Robert L. Nuckolls, III" <nuckolls.bob@aeroelectric.com>=0A>To:
aeroelectric-list@matronics.com=0A>Sent: Saturday, September 17, 2011 9:30
AM=0A>Subject: AeroElectric-List: Something not so special for all of us .
I" <nuckolls.bob@aeroelectric.com>=0A>=0A>At 12:14 AM 9/17/2011, you wrote:
=0A>> YOUR LINK COMPLETELY, MELTED DOWN MY MACHINE!!!- 29 HOURS OF WORK
WITH NO RESOLUTION.............((((=0A>=0A>- Hadley,=0A>=0A>- That wa
sn't "his link". I cannot explain the details=0A>- of how this event cam
e to be . . . I know that Matt=0A>- has some pretty effective firewalls
against spoofed=0A>- e-mail addresses. Firewalls that gave me considerab
le=0A>- difficult in sending righteous e-mails to other systems=0A>-
that had their own firewalls. I had one firewall=0A>- jousting with anot
her firewall . . . both put in=0A>- place to protect all honorable users
. The work-around=0A>- at my end was to get a fixed i.p. address assigne
d to=0A>- my portal to the web. Don't know how all that works=0A>- bu
t it did ultimately fix my problem.=0A>=0A>- So just how this particular
piece of trash made=0A>- it into our community is not known to me. I'm
=0A>- sorry that it generated so much grief for you.=0A>- I tested th
e link from a sacrificial computer=0A>- and AVG screening tools flagged
it as malicious=0A>- and successfully blocked the mission.=0A>=0A>- H
ave you applied any effective tools for cleaning=0A>- a computer of mali
cious software?=0A>=0A>- With that degree of intractability for clearing
=0A>- out a malicious invasion, perhaps you're best=0A>- advised to r
egenerate your machine to as-new=0A>- condition. Alternatively, most com
puter stores of=0A>- any note offer clean-up/recovery services using=0A>
- specialized tools.=0A>=0A>- That being said, let us all take note o
f Hadley's=0A>- experience with respect to embedded links.=0A>=0A>- T
he purpose for adding any link to a message should=0A>- be to support an
existing thread or to bring=0A>- some piece of aviation oriented inform
ation to=0A>- the attention of the List.=0A>=0A>- Links I post that a
re not on my server at=0A>- aeroelectric.com are tested the downloaded c
ontent=0A>- screened for malicious features.=0A>=0A>- Be suspicious o
f any posted link that does not=0A>- have an explanation of what it's ab
out from ANY=0A>- member of the List . . . I know that I've posted bare-
=0A>- footed links in the past . . . I'll discontinue that=0A>- pract
ice. Any link I publish will be accompanied by=0A>- an explanation of co
ntent and, of course, be previewed=0A>- here before offered to the List.
I would ask that=0A>- everyone else offer a similar courtesy when refer
ring=0A>- List members to external links.=0A>=0A>- Finally, avail you
rselves of anti-spyware, anti-viral=0A>- screening tools. I use several
that have, on occasion,=0A>- blocked a site from having access to my com
puter. It's=0A>- not expensive, some are free, and while perhaps not=0A>
- 100% effective, they are better than nothing. I'd=0A>- settle for 9
5% rather than run around the 'net=0A>- barefooted.=0A>=0A>- I hope H
adley is able to recover his computer with=0A>- a minimal loss of work p
roduct. Let his experience=0A>- be a reminder to us all that there are r
isks in=0A>- life that can probably never be driven to zero.=0A>- I w
ish now that I had voiced my suspicions of the=0A>- link when it first a
ppeared. As it was, I simply=0A>- trashed the message. Let's watch each
======================0A>=0A>=0A>
=0A>=0A>=0A>
Message 11
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Subject: | Re: Something Special For You |
amen=0A=0A=0A=0A=0A>________________________________=0A>From: David <ainut@
knology.net>=0A>To: aeroelectric-list@matronics.com=0A>Sent: Saturday, Sept
ember 17, 2011 6:18 PM=0A>Subject: Re: AeroElectric-List: Re: Something Spe
nology.net>=0A>=0A>It's happening all over Yahoo, too.- Many groups are a
ffected.- We =0A>should find the perps and um, beat the tar out of them.
- Then put them =0A>in jail.=0A>=0A>David=0A>=0A>=0A>=0A>Hadley Heinrichs
wrote:=0A>> YOUR LINK COMPLETELY, MELTED DOWN MY MACHINE!!!- 29 HOURS O
F WORK =0A>> WITH NO RESOLUTION.............((((=0A>>=0A>>- - --------
----------------------------------------------------------------=0A>>-
- *From:* Martymason <captainmarty@bellsouth.net>=0A>>- - *To:* aer
oelectric-list@matronics.com=0A>>- - *Sent:* Friday, September 16, 201
1 2:53 PM=0A>>- - *Subject:* AeroElectric-List: Re: Something Special
son"=0A>>- - <captainmarty@bellsouth.net <mailto:captainmarty@bellsout
h.net>>=0A>>=0A>>- - Someone must have hacked my address list on the s
erver. My other=0A>>- - e-mail addresses were not affected. This was n
ot my post.=0A>>- - Apologies=0A>>- - Marty=0A>>=0A>>- - ---
-----=0A>>- - Marty Mason=0A>>- - Europa XS Mono=0A>>- - 10%
=0A>>- - Norcross, GA=0A>>=0A>>=0A>>=0A>>=0A>>- - Read this topic
online here:=0A>>=0A>>- - http://forums.matronics.com/viewtopic.php?p
=352"http://www.matronics.com/Navigator?AeroElectric-List"=0A>>- - t
arget="_blank">htnbsp;- - - - - - - - -Matt Dralle,tribu
tion"=0A>>- - ========0A>>=0A>>=0A>>=0A>>=0A>>=0A>>-
- <http://forums.matronics.com/viewtopic.php?p=352483#352483>=0A>>=0A>
> *=0A>>=0A>>=0A>> *=0A>=0A>-- =0A>If you're an American, just say NO to th
e Obamanation, to socialism, and get rid of Soros.=0A>=0A>...democracy and
a republic can function only in a firm partnership with morality and religi
on. -- John Adams.- Indeed.- Same should be said for ANY type of gubmnt
=====0A>=0A>=0A>=0A>=0A>=0A>
Message 12
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Subject: | Re: DIY Comm antenna |
would be nice if those files could be saved in PDF format
Thanks
Dick
In a message dated 9/18/2011 11:10:16 A.M. Central Daylight Time,
nuckolls.bob@aeroelectric.com writes:
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III"
<nuckolls.bob@aeroelectric.com>
The missive I've been massaging for the DIY Comm
Antenna has be molded into a "shop notes" publication
and published at:
http://aeroelectric.com/articles/Antennas/DIY_Comm_Ant/DIY_Comm.html
Bob . . .
Message 13
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Subject: | Re: DIY Comm antenna |
At 04:52 PM 9/18/2011, you wrote:
>would be nice if those files could be saved in PDF format
>Thanks
>Dick
That's easy . . .
http://tinyurl.com/3t3nyq6
Bob . . .
////
(o o)
===========o00o=(_)=o00o========
< Go ahead, make my day . . . >
< show me where I'm wrong. >
================================
Message 14
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Subject: | Re: Something not so special for all of us . . . |
At 02:12 PM 9/18/2011, you wrote:
>Bob,
>
>thanks for your recommendations and help... i had to bite the bullet
>and finally (after 2 days) tried the option of buying and loading
>windows 7 in hopes of a repair. 7 could not fix it without a
>complete install. i lost all my programs and am still
>reloading. my data was saved thanks to 7.
I still run XP. Too many machines to be eager to march
of into new territory. XP has been exceedingly stable for
my purposes for a number of years.
>i hope that all of you take advantage of the windows feature on
>newer additions that "image" your drive.
Even if you don't run Win 7, there are drive image
utilities that can save your bacon. My important machine
has a removable hard-drive bay that I can plug a stand-alone
drive into. I periodically image the c-drive so I have
a bootable copy. I keep rolling list of 4 images at at
time. I also copy my separate work-product drive. Once
the images/copies are made, the drive is removed and
stored away.
I'm looking forward to updating my wifi system for
better speed. I'll start doing my backups to a separate
machine that is literally shut down between tasks. You
cant trash a computer that isn't powered up!
This process saved me once . . . not from a malicious
software but from an electronics failure in a drive.
The drive could be sent out for repair but it was much
faster to replace the drive and lay the old configuration
over it.
> this procedure would have saved me tons of grief and time. i was
> not using AVG, i recently switched because someone told me Avira
> was better. i DISAGREE!
But even the very best protection cannot be relied
on if it doesn't have a definition of a new threat.
My AVG updates every morning at 3 a.m. and then runs
a full computer scan.
>i like windows 7, very well organized. life goes on...
>watch the links and keep building,
Yeah, it's JUST time . . . but time that would
buck a lot of rivets!
Bob . . .
////
(o o)
===========o00o=(_)=o00o========
< Go ahead, make my day . . . >
< show me where I'm wrong. >
================================
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