Rick,
As far as I'm aware, the 2800 has been proven time-and-again to be incapable of
holding a MonstIR in even a moderate wind. I suggest you avoid needlessly
repeating this mistake, and implement your prop-pitch solution right from the
start.
73!
Frank
W3LPL
---- Original message ----
>Date: Mon, 8 Jan 2007 10:21:12 -0800 (PST)
>From: "Rick Karlquist" <richard@karlquist.com>
>Subject: Re: [TowerTalk] Rotor Selection Advice Wanted - Heavy Duty
>To: "Stone, Gary R." <Gary.Stone@va.gov>
>Cc: el34guy@aol.com, towertalk@contesting.com, ericksonw@gmail.com
>
>I have a MonstIR that I am putting on an HDX5106. I am going
>to use the M2 rotator that I got with the tower. If it breaks,
>I am going to replace it with a prop pitch. The ProSisTel will
>not fit into my tower. Probably not even a 689. Neither will
>the large Alfa Spid, and the smaller one is not strong enough.
>AFAIK, there are no other alternatives, unless you want to mount
>a ProSisTel or large Alfa on top of the tower. Then the rotor
>has to take all that extra stress, or you have to build a superstructure
>on top of the tower with a bearing above the rotor.
>
>Rick N6RK
>
>
>
>
>
>Stone, Gary R. wrote:
>> Hi,
>>
>> I have the ProSisTel, the model (number escapes me - but it is the one
>> rated for 39 sq feet). I have been happy with it for the time I have
>
>> WARC7 about 12 feet about the Optibeam). I would not (personally)
>> recommend the M2 Orion rotator (went thru 3 of them).
>>
>> Gary Stone, N5PHT
>>
>
>> I have a Steppir Monstir antenna (Love it by the way).
>>
>> It has a Wind Surface Area of 23.9 square feet.
>
>>
>> The rotor will be mounted in a US Towers 589 or 689 as soon as I can
>> purchase a used one (any leads on this would also be appreciated!).
>>
>> 73,
>>
>> Bill Erickson
>>
>> N6MXU
>> _______________________________________________
>
>
>
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