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Re: [TowerTalk] Antenna Rotor Speed

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Antenna Rotor Speed
From: GALE STEWARD <k3nd@yahoo.com>
Date: Thu, 2 Sep 2010 08:24:49 -0700 (PDT)
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
My Prop Pitch rotator takes about 90 seconds to go end-to-end. It's a bit slow 
for DX contesting but I'm used to it. I'm planning to install another tribander 
pointed S/SE. That way during the day (at least here on the East coast) I 
wouldn't have to turn an antenna all day.

73, Stew K3ND


 

--- On Thu, 9/2/10, Mike & Becca Krzystyniak <k9mk@flash.net> wrote:

> From: Mike & Becca Krzystyniak <k9mk@flash.net>
> Subject: Re: [TowerTalk] Antenna Rotor Speed
> To: kip@kdream.com, towertalk@contesting.com
> Date: Thursday, September 2, 2010, 10:01 AM
> Variable speed centered around 1-2
> rpm is probably best.   Suggest some
> kinda of a coaster brake or delay brake.  The faster
> you try to go will
> depend also on array construction.  To survive faster
> means more robust
> array assemblies so you don't torq the thing apart.
> 
> MK
> 
> 
> 
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com]
> On Behalf Of Kipton Moravec
> Sent: Thursday, September 02, 2010 8:32 AM
> To: towertalk@contesting.com
> Subject: [TowerTalk] Antenna Rotor Speed
> 
> I am building an antenna rotor for a HF antenna.
> 
> How fast should the antenna rotate?
> 
> Looking at the motor/gear they have now it looks like it
> will rotate at
> 10 RPM, which means 6 seconds to go end to end. That seems
> too fast to
> me. If I change gear sets I can go to a 4 RPM which is 15
> seconds to go
> to one end to the other. That still seems a little fast. On
> the other
> hand if it goes too slow people will not like it.
> 
> For you folks that like contesting, what speed is
> reasonable? 
> 
> Or maybe I should ask what is the slowest speed you would
> not complain
> about? :)
> 
> Kip
> -- 
> Kipton Moravec AE5IB .- . ..... .. -...
> 
> "Always do right; this will gratify some people and
> astonish the rest."
> --Mark Twain
> 
> 
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