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Re: [TowerTalk] HDR3-00 on the AS455G shelf?

To: "'Jack Parker'" <vhfplus@gmail.com>, john@kk9a.com
Subject: Re: [TowerTalk] HDR3-00 on the AS455G shelf?
From: Doug Renwick <ve5ra@sasktel.net>
Date: Tue, 10 Nov 2009 11:58:04 -0600
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
The keyways (2) are the Achilles heel of the HDR-300.  I haven't seen
the new redesigned shaft but I redesigned my keyways and it has solved
the problem.

Doug

I'll run the race and I will never be the same again. 

-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of Jack Parker
Sent: November 10, 2009 11:48 AM
To: john@kk9a.com
Cc: al_n6ta@comcast.net; TowerTalk@contesting.com
Subject: Re: [TowerTalk] HDR3-00 on the AS455G shelf?

I am curious as to what antenna configuration wore out the keyway. I
have 3
HDR-300's (one with a control box issue that needs to be resolved) but
have
never had one in service. I have a KT-34XA (with some M-Squared
upgrades)
that may go on one '300 and at least a long-boom (40+ foot) six meter
yagi
and a 3.2-wavelength 2-meter yagi on the other. Are either of those
configurations too much for the '300?

Yes, I am in a wind-prone area of northern Nevada where 30-40 mph winds,
with gusting above 50 mph, are not uncommon.

73,


On Tue, Nov 10, 2009 at 6:05 AM, john@kk9a.com <kk9a@bellsouth.net>
wrote:

> About two decades ago I had two Hy-Gain HDR-300 rotators and I don't
recall
> any bolt hole issues, however I do recall a lot of problems.  The
biggest
> issue was with the keyway on the shaft wearing out and needing yearly
> replacement.  If the T2X is not up to your task, I doubt that the
HDR-300
> will be.
>
> John KK9A
>
>
>
> To:  TowerTalk <TowerTalk@contesting.com>
> Subject:  [TowerTalk] HDR3-00 on the AS455G shelf?
> From:  al_n6ta@comcast.net
> Date:  Tue, 10 Nov 2009 05:25:10 +0000 (UTC)
>
>
> My T2X is not quite up to the task anymore so I thought I might
replace it
> with
> an old HDR-300 that I have had in storage for 25 years.  Anyone know
if it
> will
> fit the AS455G accessory shelf that suports the T2X currently?  If it
will
> fit,
> does anyone hae a guide as to where to poke the new holes for the 300?
I
> just
> cannot find a dimensioned drawing for the shelf.
>
> Thanks, all!
>
> Al
> N6TA
>
>
>
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>
>
>
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>



-- 
Jack, W6NF
Silver Springs, NV
DM09ji
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