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

To: Doug Renwick <ve5ra@sasktel.net>
Subject: Re: [TowerTalk] HDR3-00 on the AS455G shelf?
From: al_n6ta@comcast.net
Date: Wed, 11 Nov 2009 06:19:48 +0000 (UTC)
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Thanks for the info, Doug.  Care to share the info on the mod to the keyway?
Al
N6TA

----- Original Message -----

From: Doug Renwick 

To: 'Jack Parker' , john@kk9a.com

Cc: al n6ta , TowerTalk@contesting.com

Sent: Tue, 10 Nov 2009 17:58:04 +0000 (UTC)

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



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 

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 

> 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

>

>

>

> _______________________________________________

>

>

>

> _______________________________________________

> TowerTalk mailing list

> TowerTalk@contesting.com

> http://lists.contesting.com/mailman/listinfo/towertalk

>







-- 

Jack, W6NF

Silver Springs, NV

DM09ji

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