[TowerTalk] Info or experiences on US Towers MA40 wanted

[rdhinkle at sbcglobal.net]

The tower came with the non-cemented soil base -- about 6 feet long, fins
like a cruise missile (I was surprised we weren't stopped and searched on
our 14 hour drive back with it --  the previous owner in NE moved it twice
by digging the base up and replanting it... Darn thing weighs almost a
hundred pounds by itself, let along sunk in a 5 foot hole with carefully
packed CLAY soil tamped in place around it. Anyone have experience with this
version of the base?

Cheers.... Bob   Kk8ZZ

Bob Hinkle, KK8ZZ
Solon, Ohio  44139

-----Original Message-----
From: towertalk-bounces at contesting.com
[mailto:towertalk-bounces at contesting.com] On Behalf Of Mike, K6BR
Sent: Saturday, October 28, 2006 12:46 AM
To: 'WA3GIN in King George, VA'; 'Bill Coleman'; rdhinkle at sbcglobal.net
Cc: towertalk at contesting.com
Subject: Re: [TowerTalk] Info or experiences on US Towers MA40 wanted



You are exactly right, but the comment was misleading as the tower is
designed to be free standing using a 3x3x4 foot concrete base and does not
have to be bracketed to a structure.  I have one up for 15 years with no
problems.

Mike 

Tower can go either way...with the mast post it is self-supporting but was
advertised early on as a house bracketed tower to make the cost look
appealing...

One tri-bander at the 2ft stub above the rotor and a small 2m antenna bring
the wind load close to the rated specs...

73,
dave
wa3gin
----- Original Message -----
From: "Mike, K6BR" <noddy1211 at sbcglobal.net>
To: "'Bill Coleman'" <aa4lr at arrl.net>; <rdhinkle at sbcglobal.net>
Cc: <towertalk at contesting.com>
Sent: Friday, October 27, 2006 10:42 PM
Subject: Re: [TowerTalk] Info or experiences on US Towers MA40 wanted


>
>
> Not True, the MA-40 is designed as a free standing tower.
>
>
>
> On Oct 21, 2006, at 3:02 PM, <rdhinkle at sbcglobal.net>
> <rdhinkle at sbcglobal.net> wrote:
>
>> Considering a US Towers MA40 -- with Cushcraft A3S and AW3S beams
>> attached.... Anyone had any expereinces with this tower?  Can it
>> hold both
>> the Cushcraft antennas without guys?
>
> The MA40 is designed to be bracketed to a structure, so you should
> keep that in mind.
>
> The MA40 probably does not have the structural strength to hold BOTH
> an A3S and A3WS at the same time. One or the other would probably be
> fine, as the A3S is about 4 sq ft, although you'd likely have to
> leave it cranked down when not in use.
>
> I looked at the MA40 as a possibility, but ended up going with a Rohn
> 25 tower 15m high bracketed at 5.5m and 8m. It holds my A3S/A743
> nicely with a good operating margin.
>
> Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr at arrl.net
> Quote: "Not within a thousand years will man ever fly!"
>             -- Wilbur Wright, 1901
>
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