Today's Message Index:
----------------------
1. 12:53 AM - Re: Options (johngoodman)
2. 04:32 AM - Re: Options (Tim Olson)
3. 06:17 PM - Glowing genitles and three headed babies (AirMike)
4. 07:22 PM - Re: Glowing genitles and three headed babies (rv10builder)
5. 07:27 PM - Re: Glowing genitles and three headed babies (William Curtis)
6. 07:47 PM - Re: Glowing genitles and three headed babies (Bill DeRouchey)
7. 07:49 PM - Cat whisker VOR/GS/LOC antenna (Dave Leikam)
8. 08:18 PM - Re: Glowing genitles and three headed babies (AirMike)
9. 08:36 PM - Re: Glowing genitles and three headed babies (McGANN, Ron)
10. 09:16 PM - Re: Glowing genitles and three headed babies (Rick Sked)
11. 09:23 PM - Re: Cat whisker VOR/GS/LOC antenna (Rick Sked)
12. 09:57 PM - Re: Cat whisker VOR/GS/LOC antenna (Dave Leikam)
13. 10:34 PM - Re: Glowing genitles and three headed babies (AirMike)
Message 1
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I've been there, friend. I did a panic and searched like you. I'm sure Van's static port is fine, but I went with SafeAir1: http://www.safeair1.com/index.htm There are other perfectly good vendors out there as well. I liked the complete kit from SafeAir1, it is really straight forward.
Plan on some mounting points for tubing, wires, ELT, and Strobe Power Supply. Pre-drilled
holes in the J-channels would have been great for me. Think conduit
and Adel clamps. Diving the finished cone sucks. I would suggest you buy the
Van's ELT/Strobe Power Supply mount. One look at it and you will feel a slap on
your forehead (take the ring off first). It's a good way to mount anything on
those j-channels.
By the way, you do have the latest Service Bulletin, right?
John
--------
#40572 QB Fuselage, wings finished
N711JG reserved
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=199781#199781
Message 2
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That's kind of why I started this list Eric....because there were
too many decisions to make:
http://www.myrv10.com/tips/options.html
It doesn't give every last example, and doesn't have every bit of
info, but by skimming it, you can see what kinds of things aren't
included, or what kinds of options you may need to look at.
Tim Olson - RV-10 N104CD - Flying
do not archive
eric Ison wrote:
> I am about to start pounding rivets on the emp cone. I have done a
> fair amount of reading of the daily e-mails as well as Doug's site over
> the last few years, but I feel like I am missing some information.
>
> I was caught slightly underprepared when I got to the instructions
> regarding not including the tiedown rings. Then I got the point of
> needing to decide whether I am using the van's static ports or not.
>
> My question is whether there is a list somewhere of all of the decisions
> I need to make? I know there will be a ton when I get to panel/engine
> etc, but I would like to know "before starting the tail cone you may
> want to investigate which static ports you want to use".
>
> I want to make informed decisions so I would like to be prepared.
>
> Is there any such list? Or do I need dig through everyones website to
> get the info?
>
> By the way, I love reading the daily e-mails. Frankly, I have no idea
> what the countersink cutter is all about, but I love to hear where it is
> headed next.
>
> Eric Ison
> 40764
>
>
>
> *
>
>
> *
Message 3
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| Subject: | Glowing genitles and three headed babies |
I am trying to decide where to place my transponder antenna. I was told by another
builder that it emits quite a bit of radiation and that it should not be placed
(very conveniently and easily) under the front seats.
My avionics tech told me "no problem - not an issue". No appreciable amount of
radiation.
Since I need to decide the placement pretty soon , does anybody have a comment
on radiation and transponders. I do not want my Grandkids to have 8 toes, three
heads, and an IQ of 63.
--------
OSH '08 or Bust (busted) be there in "09
Q/B Kit - exited cabin top/door purgatory
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=199856#199856
Message 4
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| Subject: | Re: Glowing genitles and three headed babies |
Mike,
The aluminum skin on the belly of the aircraft will provide more than
ample protection between the antenna and your...ahem...jewels. Besides,
the duty cycle/PEP of transponder transmissions isn't really a threat to
human tissues as much as it is to adjacent antennas of other avionics.
That's where your real concern should be and plan accordingly.
Brian
Nashville
N104BS Flying
AirMike wrote:
>
> I am trying to decide where to place my transponder antenna. I was told by another
builder that it emits quite a bit of radiation and that it should not be
placed (very conveniently and easily) under the front seats.
>
> My avionics tech told me "no problem - not an issue". No appreciable amount of
radiation.
>
> Since I need to decide the placement pretty soon , does anybody have a comment
on radiation and transponders. I do not want my Grandkids to have 8 toes, three
heads, and an IQ of 63.
>
> --------
> OSH '08 or Bust (busted) be there in "09
> Q/B Kit - exited cabin top/door purgatory
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=199856#199856
>
>
>
> .
>
>
Message 5
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| Subject: | Glowing genitles and three headed babies |
Put it in the tunnel by your feet. This is where I will put mine: http://nerv10.com/wcurtis/90Electrical/antenna.html
The good new is that aluminum does provide ~some~ shielding from radio waves.
With a composite aircraft, you would definately have to worry.
This is one of the reasons I have one of my comm antennas on the fuselage top.
I know most put both on the belly for looks. Think of when you are operating
out of towered fields and are using ground communications or god forbit land hard
off airport and rip out the belly antennas. Even in my Cessna with BOTH comm
antennas on the top, occasionally, depending on my position on the field,
there are issues communicating with ground and clearance. I can't imagine this
being any better with both comm antennas on the belly.
William
http://nerv10.com/wcurtis/
-------- Original Message --------
>
> I am trying to decide where to place my transponder antenna. I was told by another
builder that it emits quite a bit of radiation and that it should not be
placed (very conveniently and easily) under the front seats.
>
> My avionics tech told me "no problem - not an issue". No appreciable amount of
radiation.
>
> Since I need to decide the placement pretty soon , does anybody have a comment
on radiation and transponders. I do not want my Grandkids to have 8 toes, three
heads, and an IQ of 63.
>
> --------
> OSH '08 or Bust (busted) be there in "09
> Q/B Kit - exited cabin top/door purgatory
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=199856#199856
>
>
>
>
>
>
>
Message 6
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| Subject: | Re: Glowing genitles and three headed babies |
The transponder antenna emits 250w of power and is the most powerful transm
itter in the plane. One problem is the antenna transmitting back into the t
ransponder unit and also transmitting into the COM antennas. Check your ins
tallation specifications for your transponder and com radios - it should pr
ovide guidance on the transponder antenna.=0AThe Garmin 330 specs 8 feet of
coax from the antenna back to the unit and the Garmin 430 specs greater th
an 36 inches from com antenna to transponder antenna. So you need to study
both units to determine placement.=0ABTW if you are using a bent whip under
neath the belly for COM then the VSWR (range) will be much better if you in
stall the antenna aft of the trailing edge. This location-sets up the tra
nsponder to be installed-underneath the seats or just behind the firewall
in the tunnel. I was originally concerned that the transponder antenna wou
ld be close to the exhaust tubes and soak up too much heat if installed all
the way forward in the tunnel but this turned out to be not a problem.=0AB
ill DeRouchey=0AN939SB, flying=0A=0A=0A=0A----- Original Message ----=0AFro
m: AirMike <Mikeabel@Pacbell.net>=0ATo: rv10-list@matronics.com=0ASent: Thu
rsday, August 21, 2008 6:16:30 PM=0ASubject: RV10-List: Glowing genitles an
abel@Pacbell.net>=0A=0AI am trying to decide where to place my transponder
antenna. I was told by another builder that it emits quite a bit of radiati
on and that it should not be placed (very conveniently and easily) under th
e front seats. =0A=0AMy avionics tech told me "no problem - not an issue".
No appreciable amount of radiation.=0A=0ASince I need to decide the placeme
nt pretty soon , does anybody have a comment on radiation and transponders.
I do not want my Grandkids to have 8 toes, three heads, and an IQ of 63.
=0A=0A--------=0AOSH '08 or Bust (busted) be there in "09=0AQ/B Kit -
exited cabin top/door purgatory=0A=0A=0A=0A=0ARead this topic online here:
=0A=0Ahttp://forums.matronics.com/viewtopic.php?p=199856#199856=0A=0A=0A
- - - - - - - - - - - - - -Matt Dralle, List Admi
====
Message 7
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| Subject: | Cat whisker VOR/GS/LOC antenna |
Can anyone recommend a good "whisker" style VOR/GS/LOC antenna and where
to get it? I do not want a "Bob Archer" style.
Dave Leikam
RV-10 #40496
N89DA (Reserved)
Muskego, WI
Message 8
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| Subject: | Re: Glowing genitles and three headed babies |
Knowing about the separation and the ground control issue, I have placed my com
antenna (vertically - facing up) at the rear of the fuse almost to the tail cone
fairing (just over the pitch control unit)
Might try the Archer or the Vans Nav antenna in the wing tip rather than the more
effective cat whiskers on the tail
--------
OSH '08 or Bust (busted) be there in "09
Q/B Kit - exited cabin top/door purgatory
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=199868#199868
Message 9
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| Subject: | Glowing genitles and three headed babies |
Bill is spot on. Review the documentation for your unit. The position
relative to your cohoneys is not relevant given:
1. the antenna cannot be too close to the transponder unit,
2. the antenna cannot be too close to obstructions eg gear legs,
3. the natenna cannot be too close to other antennas
4. the length of RG400 cable between the xpdr and antenna should not
exceed a given length (or an alternate cable is required)
I have deliberately exlcuded distances etc because I don't know what
Xpdr you plan to use - the above were ceratinly considerations for my
GTX 327.
For the record, I have one belly mount comm whip under the pilot seat
and the XPDR antenna is close to the centreline just aft of the rear
wing spar/fuse carrythrough that meets the requirements above, as best I
could.
cheers,
Ron
187 paint prep
________________________________
From: owner-rv10-list-server@matronics.com
[mailto:owner-rv10-list-server@matronics.com] On Behalf Of Bill
DeRouchey
Sent: Friday, 22 August 2008 12:17 PM
To: rv10-list@matronics.com
Subject: Re: RV10-List: Glowing genitles and three headed babies
The transponder antenna emits 250w of power and is the most
powerful transmitter in the plane. One problem is the antenna
transmitting back into the transponder unit and also transmitting into
the COM antennas. Check your installation specifications for your
transponder and com radios - it should provide guidance on the
transponder antenna.
The Garmin 330 specs 8 feet of coax from the antenna back to the
unit and the Garmin 430 specs greater than 36 inches from com antenna to
transponder antenna. So you need to study both units to determine
placement.
BTW if you are using a bent whip underneath the belly for COM
then the VSWR (range) will be much better if you install the antenna aft
of the trailing edge. This location sets up the transponder to be
installed underneath the seats or just behind the firewall in the
tunnel. I was originally concerned that the transponder antenna would be
close to the exhaust tubes and soak up too much heat if installed all
the way forward in the tunnel but this turned out to be not a problem.
Bill DeRouchey
N939SB, flying
----- Original Message ----
From: AirMike <Mikeabel@Pacbell.net>
To: rv10-list@matronics.com
Sent: Thursday, August 21, 2008 6:16:30 PM
Subject: RV10-List: Glowing genitles and three headed babies
<Mikeabel@Pacbell.net>
I am trying to decide where to place my transponder antenna. I
was told by another builder that it emits quite a bit of radiation and
that it should not be placed (very conveniently and easily) under the
front seats.
My avionics tech told me "no problem - not an issue". No
appreciable amount of radiation.
Since I need to decide the placement pretty soon , does anybody
have a comment on radiation and transponders. I do not want my Grandkids
to have 8 toes, three heads, and an IQ of
3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
"Warning:
The information contained in this email and any attached files is
confidential to BAE Systems Australia. If you are not the intended
recipient, any use, disclosure or copying of this email or any
attachments is expressly prohibited. If you have received this email
in error, please notify us immediately. VIRUS: Every care has been
taken to ensure this email and its attachments are virus free,
however, any loss or damage incurred in using this email is not the
sender's responsibility. It is your responsibility to ensure virus
checks are completed before installing any data sent in this email to
your computer."
Message 10
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| Subject: | Re: Glowing genitles and three headed babies |
Guys,
You need to think about some positive points...having been exposed to many
a bad chemical I've grown a small tail...granted..it's shocking but I can t
ell you, there's nothing like a tail...nobody ever doubts when your happy..
.cause your tails "wags", if your scared...it goes between your legs...when
a good bird is near...it stands up...given all the benefits of=C2- mutat
ion due to radiation from our transmitters...fear not...you can get a tail
too!! Once you learn to put the "fly" of your underwear towards the back...
to allow room for your tail...all is good...The down side is, you don't nee
d to use the fly in your underwear up front anymore...seems when you grow a
tail...the portion that used to protrude in the front...shrivels up and fa
lls off, but heck your tail still wags!!!
Rick Sked
40185
do not achive
----- Original Message -----
From: "Ron McGANN" <ron.mcgann@baesystems.com>
Sent: Thursday, August 21, 2008 8:34:31 PM (GMT-0800) America/Los_Angeles
Subject: RE: RV10-List: Glowing genitles and three headed babies
Bill is spot on.=C2- Review the documentation for your unit.=C2- The=C2
-position relative to your cohoneys is not relevant given:
1.=C2-=C2-=C2-=C2-the=C2-antenna cannot be too close to the trans
ponder unit,
2.=C2-=C2-=C2- the antenna cannot be too close to obstructions eg gea
r legs,
3.=C2-=C2-=C2- the natenna cannot be too close to other antennas
4.=C2-=C2-=C2- the length of RG400 cable between the xpdr and antenna
should not exceed a given length (or an alternate cable is required)
I have deliberately exlcuded distances etc because I don't know what Xpdr y
ou plan to use - the above were ceratinly considerations for my GTX 327.
For the record, I have one belly mount comm whip under the pilot seat and t
he XPDR antenna=C2-is close to the centreline just aft of the rear wing s
par/fuse carrythrough that meets the requirements above, as best I could.
cheers,
Ron
187 paint prep
From: owner-rv10-list-server@matronics.com [mailto:owner-rv10-list-server@m
atronics.com] On Behalf Of Bill DeRouchey
Sent: Friday, 22 August 2008 12:17 PM
Subject: Re: RV10-List: Glowing genitles and three headed babies
The transponder antenna emits 250w of power and is the most powerful transm
itter in the plane. One problem is the antenna transmitting back into the t
ransponder unit and also transmitting into the COM antennas. Check your ins
tallation specifications for your transponder and com radios - it should pr
ovide guidance on the transponder antenna.
The Garmin 330 specs 8 feet of coax from the antenna back to the unit and t
he Garmin 430 specs greater than 36 inches from com antenna to transponder
antenna. So you need to study both units to determine placement.
BTW if you are using a bent whip underneath the belly for COM then the VSWR
(range) will be much better if you install the antenna aft of the trailing
edge. This location=C2-sets up the transponder to be installed=C2-unde
rneath the seats or just behind the firewall in the tunnel. I was originall
y concerned that the transponder antenna would be close to the exhaust tube
s and soak up too much heat if installed all the way forward in the tunnel
but this turned out to be not a problem.
Bill DeRouchey
N939SB, flying
----- Original Message ----
From: AirMike <Mikeabel@Pacbell.net>
Sent: Thursday, August 21, 2008 6:16:30 PM
Subject: RV10-List: Glowing genitles and three headed babies
I am trying to decide where to place my transponder antenna. I was told by
another builder that it emits quite a bit of radiation and that it should n
ot be placed (very conveniently and easily) under the front seats.
My avionics tech told me "no problem - not an issue". No appreciable amount
of radiation.
Since I need to decide the placement pretty soon , does anybody have a comm
ent on radiation and transponders. I do not want my Grandkids to have 8 toe
s, three heads, and an IQ of 3D=3D=3D=3D=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D "'>http://www.matronics.com/Navigator?RV10-
List 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D matronics.com 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=3D=3D=3D=3D=3D ://www.matronics.com/contribution 3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D "Warning: Th
e information contained in this email and any attached files is confidentia
l to BAE Systems Australia. If you are not the intended recipient, any use,
disclosure or copying of this email or any attachments is expressly prohib
ited. If you have received this email in error, please notify us immediatel
y. VIRUS: Every care has been taken to ensure this email and its attachment
s are virus free, however, any loss or damage incurred in using this email
is not the sender's responsibility. It is your responsibility to ensure vir
us checks are completed before installing any data sent in this email to yo
======================
Message 11
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| Subject: | Re: Cat whisker VOR/GS/LOC antenna |
Dave,
Aircraft Spruce sells Comant brand whiskers for GS/LOC/VOR...hang on to you
r wallet=C2-though...about $450
----- Original Message -----
From: "Dave Leikam" <daveleikam@wi.rr.com>
Sent: Thursday, August 21, 2008 7:49:00 PM (GMT-0800) America/Los_Angeles
Subject: RV10-List: Cat whisker VOR/GS/LOC antenna
Can anyone recommend a good "whisker" style VOR/GS/LOC antenna and where to
get it?=C2- I do not want a "Bob Archer" style.
Dave Leikam
RV-10 #40496
N89DA (Reserved)
Muskego, WI
====
=======================
==
Message 12
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| Subject: | Re: Cat whisker VOR/GS/LOC antenna |
Van's sells a Rami for $137. Any other suggestions? Anyone? Anyone?
Dave Leikam
RV-10 #40496
N89DA (Reserved)
Muskego, WI
----- Original Message -----
From: Rick Sked
To: rv10-list@matronics.com
Sent: Thursday, August 21, 2008 11:22 PM
Subject: Re: RV10-List: Cat whisker VOR/GS/LOC antenna
Dave,
Aircraft Spruce sells Comant brand whiskers for GS/LOC/VOR...hang on
to your wallet though...about $450
----- Original Message -----
From: "Dave Leikam" <daveleikam@wi.rr.com>
To: "RV-10 matronics" <rv10-list@matronics.com>
Sent: Thursday, August 21, 2008 7:49:00 PM (GMT-0800)
America/Los_Angeles
Subject: RV10-List: Cat whisker VOR/GS/LOC antenna
Can anyone recommend a good "whisker" style VOR/GS/LOC antenna and
where to get it? I do not want a "Bob Archer" style.
Dave Leikam
RV-10 #40496
N89DA (Reserved)
Muskego, WI
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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| Subject: | Re: Glowing genitles and three headed babies |
Thanks for the educational and amusing responses. I checked the archive on this
topic and found out that this topic had been hashed before in November of 06.
Of the interesting comments:
How do you like 'em- sunny side up, over easy, hard boiled or poached.
Scrambled is not an option. Inquiring organs want to know.
>From Mr. Jesse Saint:
I put mine on the tunnel just aft of the firewall, which allows for a very
short wiring run and keeps it away from the other cables and antennas. I
have the comms under the pilot and copilot. The main thing I would
recommend, if you are comfortable putting it under your seat, would be that you
have at least 30-36 inches between it and the comms, which shouldn't be a big
problem. Also, I understand that it is a good idea to keep the cable run separate
from your other antennas.
>From the ultimate guru : Robert L. Nuckolls, III
A hangar myth. Folks have looked at the peak output power rating of a transponder
(100 to 250W) and tried to make a connection between a desire to make one's
airplane visible to a distant radar receiver
and cooking meat.
When you buy a microwave, it too is rated in the hundreds of watts . . . but CONTINUOUS
duty. A good 700W microwave will boil a cup of water in about 2 minutes.
(Remember the traveler's immersion heaters in the hardware store? They're
300W heaters and take about 4 minutes to boil a cup of water). If you measure
the current draw of this machine,
it will be on the order of 8-9 amps or 1000W total input.
Your transponder draws about 1.5 amps while being
interrogated for a total input power of 18W. The
output comes in the form of a series of 0.5 uSec
pulses in respond to an interrogation that represent
a string of binary numbers representing either your
squawk code (mode A) or altitude (mode C). Assuming
you are interrogated once per second (quite often)
your average output power for a 250W transponder
is on the order of 250W x 20 pulses x 0.0000005
seconds/1 second or 2.5 milliwatts per second.
This isn't going even going to warm up much less cook
anything.
Another fallacy of the myth concerns body parts
most sensitive to microwave radiation . . . turns
out that your eyes are the most vulnerable . . .
but the story isn't nearly so interesting to
really macho pilots. None the less, there are
folks who have armor-shielded their seat bottoms
in deference to this myth. The story was REALLY
popular about 15 years ago in the heyday of
the Long-Ezs
--------
OSH '08 or Bust (busted) be there in "09
Q/B Kit - exited cabin top/door purgatory
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=199882#199882
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