[TowerTalk] Source for AB-577

[Dick Green]

In my opinion, the AB-577 is not stiff enough without guys, even if the
first 20 feet are bracketed. Each section is about five feet in length, and
they are connected with circular metal spring clips. Even without a load on
top, a very strong wind will likely bend the 30 feet of tubing above the
house enough to pop one or more of the spring clips.

73, Dick WC1M

> -----Original Message-----
> From: Michael Tope [mailto:W4EF at dellroy.com] 
> Sent: Friday, September 05, 2003 11:04 AM
> To: towertalk at contesting.com; Mike Gilmer - N2MG
> Cc: paule at sfu.ca
> Subject: Re: [TowerTalk] Source for AB-577
> 
> 
> How "stiff" is the AB-577 relative to say a Rohn push-up 
> mast? I need something that I can house bracket to the eave 
> of the house at the 20ft level, that would be stiff enough to 
> support the center of an 80 meter inverted-V at 50' without 
> any additional guys or supports above the 20' level.
> 
> I am looking for something "psuedo temporary" (hence the
> mast) to hold me over until I can get through the cities 
> tower permitting process. My Rohn E50 push-up mast is just 
> too flimsy and only extends to a max height of 40' feet.
> 
> Thanks!
> 
> Mike, W4EF................................................
> 
> 
> ----- Original Message -----
> From: "Mike Gilmer - N2MG" <n2mg at contesting.com>
> To: <towertalk at contesting.com>
> Cc: <paule at sfu.ca>
> Sent: Friday, September 05, 2003 5:56 AM
> Subject: [TowerTalk] Source for AB-577
> 
> 
> > A quick search in eHam.net's links yields
> >
> > http://home.att.net/~surplusben/
> >
> > VA7NT wrote:
> > > Anyone know a source for AB-577's?
> >
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> 
> 
>