On 5/18/2010 7:59 PM, Bill Aycock wrote:
> Clint--
> Are you sure that is a TB3? The inner bore on a TB-3 is Aluminum, and does
> not rust.
>
Cast aluminum at that...It's quite granular and very soft.
73
Roger (K8RI)
> That stain may be rubbed off from a steel mast.
> Bill--W4BSG
>
> ----- Original Message -----
> From: "W5CPT"<w5cpt@bellsouth.net>
> To:<towertalk@contesting.com>
> Sent: Tuesday, May 18, 2010 6:14 PM
> Subject: Re: [TowerTalk] FW: Thrust Bearing - again!
>
>
>
>> From: Kenneth R. Goodwin, Jr.
>> To: towertalk@contesting.com
>> Sent: 18 May, 2010 5:36 PM
>> Subject: [TowerTalk] FW: Thrust Bearing - again!
>>
>>
>> Bad assumption, the TB3s don't rust EXCEPT the set screw which holds
>> the ball bearings.
>>
>>
>> I disagree. I have one sitting about 2 feet from me that shows some (not a
>> lot) of rust. The inner bore of the bearing is evenly rusted all the way
>> around, top to bottom. It also has a cracked upper race ( I don't know
>> how it happened - it was on a top-section I bought).
>>
>> Clint - W5CPT
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