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[TowerTalk] Thrust Bearing = UHMW cutting boards...

To: <>
Subject: [TowerTalk] Thrust Bearing = UHMW cutting boards...
From: (
Date: Sun Apr 13 17:43:02 2003
Hello to all:
Just a note about these cutting boards. Most restaurants use these and have 
to replace them from time to time for health department reasons. When they 
do, they just toss them. They are usually large sized and thick, with some 
knife wear on both sides...makes no difference for our use, eh?

Just ask the manager of your local hangout to let you know when this is about 
to happen and pickup their rejects for free... Should be enough for a 

Mel Frost
KD7DCR - Coeur d'Alene, ID

To: <>
Date: Mon, 7 Apr 2003 20:09:14 -0700
From: "Jim Lux" <>
To: <>
Cc: "\(Reflector\) TowerTalk" <>
Subject: Re: [TowerTalk] Above the Thrust Bearing
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Don't bother with Teflon... use High density (UHMW) polyethylene cutting
boards...  Less than $10 at your local discount store.. Very good dielectric
properties, easy to cut (make sure that saw is SHARP), and almost as low a
friction coefficient as PTFE.
Unless you were planning to heat your antenna up hot enough where the PE
starts to flow....?

----- Original Message -----
From: "Don Havlicek" <>
To: "Jerry K3BZ" <>
Cc: "(Reflector) TowerTalk" <>
Sent: Monday, April 07, 2003 6:17 PM
Subject: Re: [TowerTalk] Above the Thrust Bearing

> Jerry,
> Get  some Teflon sheet and cut a piece to fit.  Should last a lifetime.
> Don
> N8DE
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