I have the Butternut HF-2V. I added two more taps to the 80 meter coil
and use 3 relays
to select the tap I want (3500, 3600 and 3800). I can select the relay
from the shack and
it works quite well.
I also have the MA-160V for 160, but went with the HF-2V for 80 & 40.
73, Dick, W1KSZ
On Tue, Jun 28, 2011 at 4:08 PM, Clint Talmadge W5CPT
<w5cpt@bellsouth.net> wrote:
> The adding of top loading to the HF2 is out because I do not want guys. If I
> could put up with guys I would have gone for the MFJ-1793 - top loading and
> 20 meters - but it MUST be guyed. I am not that concerned about the narrow
> BW on 80M as I will tune it to the DX portion of the band and leave it
> there. I have a trapped dipole for chatting with the KY Morning Crew if I
> want to.
>
> Clint Talmadge - W5CPT
>
>
> -----Original Message-----
> From: Grant Saviers [mailto:grants2@pacbell.net]
> Sent: Tuesday, June 28, 2011 6:03 PM
> To: Clint Talmadge W5CPT
> Subject: Re: [TowerTalk] 40M/80M Vertical Choice - second attempt
>
> The top loading of the MA *might* if large enough make it electrically as
> long as the HF, so that makes the loading comparison a wash for the stock
> antennas. Since you can add top loading to the HF (see the
> manual) that makes it a clear winner.
>
> Another option is to add a variable inductor (Tornado drive) at the base so
> you can tune around on 80m. (you might make a replacement for the stock 80m
> coil that compresses and expands the coil like the Tornado.
> All it takes is a small DC motor and delrin screw.)
>
> If you can elevate the feedpoint and radials about 8' the ground loss will
> be way less even with a limited number of radials. See the recent QEX and
> QST articles.
>
> Grant KZ1W
>
> On 6/28/2011 1:16 PM, Clint Talmadge W5CPT wrote:
>> It seems that the Yahoo Group truncated my table - I 'll try again
>>
>> I have decided to replace my makeshift 40/80M vertical with a store
>> bought model and have narrowed the choices to two: The Butternut HF2V
>> and the Cushcraft MA8040V.
>>
>> Facts& Figures:
>>
>> HF2V MA8040V Advantage
>>
>> Price $270 $265 Draw
>>
>> Height 32' 23' HF2V
>>
>> Weight 13# 9# HF2V
>>
>> Loading base top MA8040V
>>
>> I have the remnants of a well-used HF6V which is the basis for my
>> present antenna so I am familiar with how the Butternuts go together,
>> but the manual for the Cushcraft seems pretty straight forward.
>>
>> What have I not considered?
>>
>> Clint - W5CPT
>>
>> _______________________________________________
>>
>>
>>
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>>
>
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>
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