[UK-CONTEST] ANTENNA SUPPORT

[Rob - G4LMW]

Except I'm getting my "Whites" mixed up (which is why the XYL wont let me 
near the washing machine)

It was of course Ian's and not Steve's column

73, Rob
G4LMW
http://www.G4LMW.co.uk



----- Original Message ----- 
From: "Rob - G4LMW" <g4lmw at btconnect.com>
To: "Uk-Contest at Contesting.Com" <uk-contest at contesting.com>
Sent: Wednesday, June 24, 2009 11:22 AM
Subject: Re: [UK-CONTEST] ANTENNA SUPPORT


> Don
>
> See Steve W's "In Practice" article ("OVER THE TOP") on p39 of the April
> 2009 RadCom
>
> 73, Rob
> G4LMW
> http://www.G4LMW.co.uk
>
>
>
> ----- Original Message ----- 
> From: "Don Beattie" <g3ozf at btinternet.com>
> To: "Uk-Contest at Contesting.Com" <uk-contest at contesting.com>
> Sent: Wednesday, June 24, 2009 11:00 AM
> Subject: [UK-CONTEST] ANTENNA SUPPORT
>
>
>> Slightly OT, but I guess there's someone here who knows the answer.
>>
>> I am planning to try putting the centre of a wire dipole significantly
>> above the rotator/beam on a tower. I plan to fit a fairly long stub mast
>> above the beam, and to attach the centre of a wire dipole to the top of
>> it. The wire should clear the beam's elements whatever direction it is
>> pointing as the ends of the dipole are quite high. This should put the
>> centre of the dipole at about 90ft.
>>
>> What's the best way of attaching the dipole to the top of the stub mast,
>> so that the beam can still be turned without it winding-in the halyard ?
>> Do I need to find a proper slip bearing, or is there a sneaky and cheaper
>> way ? Or do I just leave 30 cm of slack halyard between the pulley and 
>> the
>> dipole centre insulator, and let the thing wind/unwind as the beam turns 
>> ?
>>
>> Thanks
>>
>> 73
>>
>> Don, G3BJ
>>
>>
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>> UK-Contest at contesting.com
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>
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