I've had UV eat up the Nylon in nylock nuts. Theses were exposed to direct
sunlight for several years and the nylon insert was simply gone. I think that
if they were protected, they'd last indefinitely.
Kim N5OP
"People that make music together cannot be enemies, at least as long as the
music lasts." -- Paul Hindemith
> On Jan 11, 2016, at 14:15, Patrick Greenlee <patrick_g@windstream.net> wrote:
>
> The only problems I have had with Nylocks are:
> 1. welding too close to them and softening the plastic., and
> 2. reusing them too many times.
>
> If there had been any UV deterioration problems within my personal experience
> I would start painting over the exposed Nylon with a UV/environment proofing
> material to ameliorate the effect.
>
> Nylocks are just too nifty and convenient to stop using them because UV eats
> them (if it does in any specific circumstances.)
>
>> On 1/11/2016 11:22 AM, David Robbins wrote:
>> two things... I have never had a problem with nylocks used on the m2
>> antennas and have had some up for quite a few years now.
>>
>>
>>
>> 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
>>>> 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
>>>> _______________________________________________
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> TowerTalk mailing list
>>>> TowerTalk@contesting.com
>>>> http://lists.contesting.com/mailman/listinfo/towertalk
>>>>
>>>>
>>>> _______________________________________________
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> TowerTalk mailing list
>>>> TowerTalk@contesting.com
>>>> http://lists.contesting.com/mailman/listinfo/towertalk
>>>
>>> --
>>>
>>> 73
>>>
>>> Roger (K8RI)
>>>
>>>
>>> ---
>>> This email has been checked for viruses by Avast antivirus software.
>>> https://www.avast.com/antivirus
>>>
>>>
>>> _______________________________________________
>>>
>>>
>>>
>>> _______________________________________________
>>> TowerTalk mailing list
>>> TowerTalk@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/towertalk
>> _______________________________________________
>>
>>
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk@contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>> _______________________________________________
>>
>>
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk@contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|