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Re: [RFI] RFI From Ironman Inspire Treadmill

To: "Tim Goeppinger" <timgep@hotmail.com>, rfi@contesting.com
Subject: Re: [RFI] RFI From Ironman Inspire Treadmill
From: Hardy Landskov <n7rt@cox.net>
Date: Tue, 04 Sep 2007 21:12:13
List-post: <mailto:rfi@contesting.com>
I have a treadmill in the house and the same thing. Tried to tame it but
w/o any success. So, we don't use the thing untill after sunrise so I can
listen to 80 and 160.
Another cheap piece of Chinese junk..
N7RT


At 03:29 AM 9/5/2007 +0000, Tim Goeppinger wrote:
>This Spring, I had some severe RFI on 40 & 80 meters, and I DF'ed it with my 
>car's AM
>radio to my neighbor's house.  After questioning them for a while we figured 
>out the RFI
>is from their Ironman Inspire Treadmill.  The treadmill has a MSRP of $1600, 
>but I'm sure they
>paid less. Here it is:
>http://www.ironmanfitness.com/product.php?id=Inspire&cat=treads
>
>My neighbor is very cooperative, and we tried wrapping their power cord 
>around the largest
>toroid that Amidon sells, and got in about 6 turns.  It reduced the RFI from 
>about an S9 to
>an S8.  I guess that's about 3 dB, but not enough.
>
>I called the manufacturer, and they gave the usual spiel about buying a 
>Radio Shack AC line filter
>for $20.   They even suggested opening up the treadmill to install toroids.  
>I said "wouldn't
>that void the warranty?".  They assured me it would not (Yeah, right).
>
>Where do I go from here?
>
>1.  Buy a AC line filter?   Is the MFJ one any good?
>
>2.  Is there any FCC regulation to fall back on to try to force the 
>manufacturer to do something?
>It would be great if they would sell a kit so that a TV repairman could 
>install it. (I am not going
>to open the treadmill).
>
>3.  In what case will the power company put on a filter where the line meets 
>the house?
>Not really their responsibility, is it?  But I have heard the treadmill 
>under a power line a
>block away, so it is definitely radiating out the power line.
>
>4.  Work out a schedule with my neighbor where they agree stay off of the 
>treadmill during evenings on the 8 major contest weekends of the year.
>
>Any other ideas?   80m season is coming soon, and I want to be prepared!
>
>Tnx & 73,
>
>Tim K6GEP
>
>_________________________________________________________________
>Kick back and relax with hot games and cool activities at the Messenger 
>Café. http://www.cafemessenger.com?ocid=TXT_TAGHM_SeptHMtagline1
>
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