Empathy List Archives

BA

Bob Austin

Sun, Feb 20, 2005 8:18 PM

The reality of long antennas, is that they need support. The ratchet base has
a finate limit. If you get over about 12 feet there needs to be a stand off
support. If the antenna is on a pilot house roof--this is not practical.

Bob Austin

The reality of long antennas, is that they need support. The ratchet base has a finate limit. If you get over about 12 feet there needs to be a stand off support. If the antenna is on a pilot house roof--this is not practical. Bob Austin

KB

Kim Boyce and Eric Thoman

Sun, Feb 20, 2005 9:13 PM

Bob wrote:

The reality of long antennas, is that they need support. The ratchet
base has a finate limit. If you get over about 12 feet there needs to be
a stand off support. If the antenna is on a pilot house roof--this is
not practical.

Reply:

In the metal boat world we just weld a pipe to the pilothouse roof (the
pipe may have "legs" to give it further support) and then use standoffs
from the pipe to hold the antenna. I have a 41 foot whip held up that
way. Since we are on 80 meters most of the summer, my project this
spring is to turn it into a 60 foot inverted L.

Transmit Safely.

Eric Thoman
Abyssinia
www.kayaktransport.com

Bob wrote: The reality of long antennas, is that they need support. The ratchet base has a finate limit. If you get over about 12 feet there needs to be a stand off support. If the antenna is on a pilot house roof--this is not practical. Reply: In the metal boat world we just weld a pipe to the pilothouse roof (the pipe may have "legs" to give it further support) and then use standoffs from the pipe to hold the antenna. I have a 41 foot whip held up that way. Since we are on 80 meters most of the summer, my project this spring is to turn it into a 60 foot inverted L. Transmit Safely. Eric Thoman Abyssinia www.kayaktransport.com

JM

Jim McCorison (T&T)

Sun, Feb 20, 2005 9:16 PM

Bob Austin wrote:

The reality of long antennas, is that they need support. The ratchet base has
a finate limit. If you get over about 12 feet there needs to be a stand off
support. If the antenna is on a pilot house roof--this is not practical.

However there are quite sturdy antenna mounts that are designed
specifically for mounting on flat surfaces such as the top of
pilothouses. The downside is that they are not designed to allow the
antenna to be readily laid flat. Morad, a builder of very fine antennas,
offers such a mount. Unfortunately their website is presently under
construction so a link would do no good.

Jim

--
Jim McCorison
Starfish Marine
(619) 337-5370
http://manana.mccorison.com - Our Travels with Maqana
http://www.starfishmarine.com - My Business

Bob Austin wrote: > The reality of long antennas, is that they need support. The ratchet base has > a finate limit. If you get over about 12 feet there needs to be a stand off > support. If the antenna is on a pilot house roof--this is not practical. However there are quite sturdy antenna mounts that are designed specifically for mounting on flat surfaces such as the top of pilothouses. The downside is that they are not designed to allow the antenna to be readily laid flat. Morad, a builder of very fine antennas, offers such a mount. Unfortunately their website is presently under construction so a link would do no good. Jim -- Jim McCorison Starfish Marine (619) 337-5370 http://manana.mccorison.com - Our Travels with Maqana http://www.starfishmarine.com - My Business

SD

Steven Dubnoff

Sun, Feb 20, 2005 9:33 PM

Morad, a builder of very fine antennas,
offers such a mount. Unfortunately their website is presently under
construction so a link would do no good.

There website has been so permanently under construction that we should all
give up hope. However, their catalog is available here:

     http://avionics.rell.com/pdfs/Moradcatalog.pdf

Fisheries Supply carries or can order their antennas and mounts. I had the
pleasure of visiting them at their Ballard "garage". They tested my
antenna for free and could not have been friendlier.

Best,

Steve

Steve Dubnoff
1966 Willard Pilothouse
www.mvnereid.com
sdubnoff@circlesys.com

>Morad, a builder of very fine antennas, >offers such a mount. Unfortunately their website is presently under >construction so a link would do no good. There website has been so permanently under construction that we should all give up hope. However, their catalog is available here: http://avionics.rell.com/pdfs/Moradcatalog.pdf Fisheries Supply carries or can order their antennas and mounts. I had the pleasure of visiting them at their Ballard "garage". They tested my antenna for free and could not have been friendlier. Best, Steve Steve Dubnoff 1966 Willard Pilothouse www.mvnereid.com sdubnoff@circlesys.com

BD

Bob Davies

Sun, Feb 20, 2005 11:29 PM

Bob, I couldnt agree more. They definitely need support. My antennas fit
into u-shaped wooden blocks that are equipped with stainless plates on the
outside edge, held with butterfly nuts. The blocks sit at the top of the
pilothouse, and are approximately 3 feet from the top of the extensions. We
do not have ratchet bases; they are simple pivoting bases the locating
blocks provide the support and orientation.

Bob Davies

-----Original Message-----

The reality of long antennas, is that they need support. The ratchet base
has a finate limit. If you get over about 12 feet there needs to be a stand
off support. If the antenna is on a pilot house roof--this is not
practical.

Bob Austin

Bob, I couldnt agree more. They definitely need support. My antennas fit into u-shaped wooden blocks that are equipped with stainless plates on the outside edge, held with butterfly nuts. The blocks sit at the top of the pilothouse, and are approximately 3 feet from the top of the extensions. We do not have ratchet bases; they are simple pivoting bases the locating blocks provide the support and orientation. Bob Davies -----Original Message----- The reality of long antennas, is that they need support. The ratchet base has a finate limit. If you get over about 12 feet there needs to be a stand off support. If the antenna is on a pilot house roof--this is not practical. Bob Austin

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