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-   -   installing a mobile mount (https://www.radiobanter.com/cb/31425-installing-mobile-mount.html)

RobertK March 23rd 04 07:45 PM

installing a mobile mount
 
hi,

after some soul-searching, i'm seriously inching towards hard-mounting a
long whip on the top of my car. does anybody out there know of any
relatively foolproof -- and definitely leakproof! -- procedure for
intalling a roof mount? i'm considering one of those ball mounts, so
that i can easily adjust the whip angle.

i should mention that i do have a luggage rack, so i could always attach
to that. i am a bit cocerned, though, that the stresses placed by a
'whipping' 102" whip on a luggage rack might be too much for it. any
thoughts on this?

thanks much!

thor

Frank Gilliland March 23rd 04 08:59 PM

In , RobertK
wrote:

hi,

after some soul-searching, i'm seriously inching towards hard-mounting a
long whip on the top of my car. does anybody out there know of any
relatively foolproof -- and definitely leakproof! -- procedure for
intalling a roof mount? i'm considering one of those ball mounts, so
that i can easily adjust the whip angle.

i should mention that i do have a luggage rack, so i could always attach
to that. i am a bit cocerned, though, that the stresses placed by a
'whipping' 102" whip on a luggage rack might be too much for it. any
thoughts on this?

thanks much!

thor



You are going to be hitting a lot of bridges and trees if you put a 102" whip on
the roof. You might consider using two antennas -- a shorter one for the road
and the 102" for when you are parked. If you think you will be swapping antennas
frequently, you can get quick-disconnects that will fit the standard 3/8-24 base
thread.

I would recommend mounting it in the center of the roof without a ball-mount. If
you are going to use a ball-mount anyway, it might be better to mount it on the
side of the body or the bumper. Above all, avoid the cheap ball-mounts. They
frequently slip, and when they do you will end up driving a screw inbetween the
two pieces just to keep the whip off the ground.

As for waterproofing, the large rubber gasket and teflon/poly insulators that
come with the mounts do a pretty good job of sealing out the water. The stud and
antenna should also have rubber/teflon/poly O-rings to keep water out of the
threads. If you are really concerned (or if you live in Seattle) you can take
the mount apart every couple months or so and check for condensation and
corrosion.

A couple tips: sand away the paint for an inch or so around the hole (on the
inside of the vehicle), then clean the bare metal with a good solvent so you get
a good ground connection. Also, I have noticed that many newer vehicles don't
have very thick metal up top, so sometimes I add a sheet of steel or aluminum to
stiffen things up.






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Dave VanHorn March 24th 04 04:11 AM

http://www.inchase.org/outflow/event...2/f5Mount.html

This is what I did to install a significantly lighter antenna in a roof
center mounting.

The 7900 is a ham 2 meter antenna, about 5' long or thereabouts, with no
bend to it whatever.





Steveo March 24th 04 04:14 AM

"Dave VanHorn" wrote:
http://www.inchase.org/outflow/event...2/f5Mount.html

This is what I did to install a significantly lighter antenna in a roof
center mounting.

The 7900 is a ham 2 meter antenna, about 5' long or thereabouts, with no
bend to it whatever.

Is that Jerry Garcia in that pic?

George Kinzer March 24th 04 04:32 AM

nice post Frank.

--
On the internet, no one can hear you modulate.



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George Kinzer March 24th 04 05:30 AM

I re-read the original, "soul-searching" that's deep dude-- I hope I don't
have to soul search
when I want to paint the kitchen. That will kill me.


On the Internet, no one can hear you modulate.



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Twistedhed March 24th 04 01:56 PM

From: (Steveo)
"Dave VanHorn" wrote:
http://www.inchase.org/outflow/event...2/f5Mount.html
This is what I did to install a significantly lighter antenna in a roof
center mounting.
The 7900 is a ham 2 meter antenna, about 5' long or thereabouts, with no
bend to it whatever.



Is that Jerry Garcia in that pic?

-

"What a Long Range Strip it's Been"...............Ronald Reagan


Dave VanHorn March 24th 04 02:36 PM


I've seen that site before, funny thing I sent them an email asking
about their organizatin and never got a reply.

73 de Keith


What would you like to know?



Dave VanHorn March 24th 04 02:36 PM


"Steveo" wrote in message
...
"Dave VanHorn" wrote:
http://www.inchase.org/outflow/event...2/f5Mount.html

This is what I did to install a significantly lighter antenna in a roof
center mounting.

The 7900 is a ham 2 meter antenna, about 5' long or thereabouts, with no
bend to it whatever.

Is that Jerry Garcia in that pic?


:)



Landshark March 24th 04 02:38 PM


"Twistedhed" wrote in message
...
From: (Steveo)
"Dave VanHorn" wrote:
http://www.inchase.org/outflow/event...2/f5Mount.html
This is what I did to install a significantly lighter antenna in a roof
center mounting.
The 7900 is a ham 2 meter antenna, about 5' long or thereabouts, with no
bend to it whatever.



Is that Jerry Garcia in that pic?

-

"What a Long Range Strip it's Been"...............Ronald Reagan



"What a long Space trip it been"..........
Trucking by the Gratefull Dead

Landshark


--
The world is good-natured to people
who are good natured.



Twistedhed March 24th 04 05:36 PM

From: (Dave=A0VanHorn)
I've seen that site before, funny thing I sent them an email asking
about their organizatin and never got a reply.
73 de Keith

What would you like to know?

_
Do you chase tornados?


Dave VanHorn March 24th 04 06:22 PM


"Twistedhed" wrote in message
...
From: (Dave VanHorn)
I've seen that site before, funny thing I sent them an email asking
about their organizatin and never got a reply.
73 de Keith

What would you like to know?

_
Do you chase tornados?

Not normally, I'm a spotter, but I'm on the board of Inchase.
Spotters and chasers work together a lot, and you need to know the same
things.



Twistedhed March 24th 04 08:55 PM

From: (Dave=A0VanHorn)
"Twistedhed" wrote in message
... From:
(Dave VanHorn) I've seen that site before, funny
thing I sent them an email asking about their organizatin and never got
a reply. 73 de Keith

What would you like to know?

_
Do you chase tornados?
-
Not normally, I'm a spotter, but I'm on the


board of Inchase. Spotters and chasers work


together a lot, and you need to know the same
things.

_
I've listened to you guys before,,well, not YOU guys, but you know what
I mean. A hell of a thing, man. gotta hand it to you,,,from what little
I know of the tasks involved, it takes dedication to the max.....getting
caught up in a storm front and some of these guys will run all over the
state for DAYS without sleep.,,and hurricane season is on the way. I
hope our summer is nowhere near the severity of what winter brought to
the states.


Dave VanHorn March 24th 04 09:44 PM


I've listened to you guys before,,well, not YOU guys, but you know what
I mean. A hell of a thing, man. gotta hand it to you,,,from what little
I know of the tasks involved, it takes dedication to the max.....getting
caught up in a storm front and some of these guys will run all over the
state for DAYS without sleep.,,and hurricane season is on the way. I
hope our summer is nowhere near the severity of what winter brought to
the states.

Chasing is like that. Spotting is a little different. We don't travel a
whole lot, but I may rack up 100-300 miles in a day, running all over the
county doing spotting before, and damage assesment after. Hurricanes you
get more warning of. We get maybe 3 days notice that conditions will be
right in our area, but as to the actual warning of the event, we are
literally the first to know.

I had a reporter along with me season before last, who got way more of a
ride than he expected.

He kinda paled when EMA ordered me to evacuate my position because of a
radar indicated tornado heading straight at us. It was covered by rain
from where we were, so we couldn't see it (or much of anything else) at that
time. The plan had been not to try to outrun this storm, a large flanking
line, but to wait till it passed , and then follow..

The cell that went by us, later did tornado, and then went on to level Van
Wert Ohio.





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