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Re: [TowerTalk] Force 12 rebuild

Subject: Re: [TowerTalk] Force 12 rebuild
From: Chris <EZRhino@fastmovers.biz>
Date: Mon, 11 Jan 2016 07:45:16 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Scotchbrite pads and WD40 (and elbow grease) work really we ll for cleaning 
aluminum.  

Roger, I believe you, but you are the only person I know who's had problems 
with nylock nuts.  I think you got a bad batch.

Chris
KF7P









On Jan 11, 2016, at 7:42 AM, Roger (K8RI) on TT wrote:

> I rebuilt, or more like, reassembled a C19XR.  Tubing cleaner brushes work 
> very well at removing the crud from ~4" from the ends.  A few brass barrel 
> brushes with the extensions powered with an electric drill motor will easily 
> go the 6 or 8 inches   inside the tube ends which should be more than 
> enough,. Use the swabs (2 or 3" long) to apply your lube and antioxidant of 
> choice. They will easily coat the inside uniformly.  The ultra-fine Scotch 
> Bright pads do a real nice job on the outside of the matching tube.
> I didn't get it up soon enough so now I need to replace three tubes on one 
> end of the 20 meter reflector.  Someone (not me) ran into the reflector with 
> one of the rear wheels of a zero turning radius lawn mower
> 
> My work won't look near as nice as the projects shown.  I only cleaned the 
> mating surfaces for tubes and straps.  Insulators were in good shape.
> I have lots of SS rivets and screws.  As I mentioned in another post. I like 
> the Nylock nuts, but they just don't last around here.
> 
> 73
> 
> Roger (K8RI)
> 
> 
> On 1/11/2016 Monday 9:11 AM, Tom_N2SR via TowerTalk wrote:
>> Nice work!
>> One thought about cleaning aluminum.  A few years ago, I posted here looking 
>> for a way to clean up aluminum that was sitting in the dirt.  Someone 
>> suggested HVAC coil cleaner.  I was able to get a small container of the 
>> stuff, and WOW does it work.  It's very caustic, and you'll have to wear 
>> good gloves and old clothes, but it works extremely well, and it's probably 
>> much cheaper than the Locktite product you used.   I used the coil cleaner 
>> straight, applied it with old rags (they will disintegrate as you used 
>> them!), let it sit a bit, and use the garden hose to spray the stuff off.   
>> The booms and tubing looked 100% better.  Not like brand new "polished" 
>> tubing, but still much better than having it look grungy.
>> Tom, N2SR
>>  
>>       From: Howard Hoyt <hhoyt@mebtel.net>
>>  To: towertalk@contesting.com
>>  Sent: Sunday, January 10, 2016 11:03 PM
>>  Subject: Re: [TowerTalk] Force 12 rebuild
>>    Hi all,
>> 
>> All the talk about older Force 12 linear loading vs. Tornado coil
>> upgrades inspired me to rebuild a 20-yr old C-4SXL I have had stored in
>> pieces for a few years.  I took some pictures along the way, and you can
>> read about the process here:
>> 
>> https://proaudioeng.com/force-12-c-4sxl-rebuild/
>> 
>> I appreciate all the knowledge I have gained from this group that helped
>> me with the project, your comments and abuse are welcomed.
>> 
>> Cheers & 73,
>> 
>> Howie - WA4PSC
>> _______________________________________________
>> 
>> 
>> 
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> 
> 
> -- 
> 
> 73
> 
> Roger (K8RI)
> 
> 
> ---
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