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Re: [TowerTalk] Shack Heater

To: <jim@audiosystemsgroup.com>, <towertalk@contesting.com>
Subject: Re: [TowerTalk] Shack Heater
From: "Doug Ronald" <doug@dougronald.com>
Date: Tue, 8 Oct 2019 00:17:36 -0700
List-post: <mailto:towertalk@contesting.com>
I think the heater type Jim is referring to is an infra-red radiation
heater. They are not designed to work efficiently via conduction, or
convection. I have one also sold by Costco, and put on display as soon as
the cold weather hits, where when you walk by, you instantly feel the
infra-red hit you in the face. It is very effective at heating someone
sitting in a chair, but the room the heater is in remains pretty cold.
Doug, W6DSR

-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of Jim
Brown
Sent: Monday, October 7, 2019 21:51
To: towertalk@contesting.com
Subject: Re: [TowerTalk] Shack Heater

Hi Rick,

I've had the $15 passive radiators for years. They only work by convection,
and it takes a LONG time to make the operating position warm because it's
heating the entire room, especially the high ceilings in my house and shack.
It's expensive to heat all of that volume, and I only need it warm by me.
This unit does that VERY quickly (in a few minutes), after which I can stop
buying more joules from PG&E.

The fan in this particular unit is fairly quiet, at least as quiet as my
KPA1500 on position 1. And any time I'm operating, I'm wearing headphones,
so stuff that's this quiet doesn't matter.

73, Jim K9YC

  On 10/7/2019
6:14 PM, Richard (Rick) Karlquist wrote:
> A contrarian view.  I don't like the fan type for two reasons:
> 
> 1.  The noise of the fan is more acoustical QRM that I don't need.
> 
> 2.  The radiative type of heater is actually faster in terms of 
> keeping the operator warm.  I find it works quite well by placing it 
> under the operating desk and "aiming" it at the operating chair. If 
> necessary an additional desktop "dish" type heater can be added as a 
> hand warmer.  Also without a fan.
> 
> In terms of heating the room is concerned, it is not clear to me that 
> a fan heater is faster there either.  My radiative heaters warm up in 
> about 10 seconds.  After that, every watt in is quickly radiated to 
> the room

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