Thanks Gene,
I've used that too. It's pretty cool stuff. I mainly use 2220 (same basic
thing but in tape form) and cover that with 33+.
I often wish they'd just come up with an N-male connector version that is
self sealing. You'd sure think it would be possible by now.....
laters,
marlon
----- Original Message -----
From: "Gene Smar" <ersmar@verizon.net>
To: "Marlon K. Schafer (509-982-2181)" <ooe@odessaoffice.com>; "K8RI on TT"
<k8ri-on-towertalk@tm.net>; <towertalk@contesting.com>
Sent: Friday, September 30, 2011 1:17 PM
Subject: Re: [TowerTalk] heat shrink weathering
> Marlon:
>
> If you want to try something else to seal the connectors on your coax
> runs, I can sugest 3M Scotch 2200 vinyl mastic pads. I used them right on
> top of the homebrew ground straps and underneath the top Scotch 88 tape
> wraps on my coax runs. Here's a link to some photos:
> http://s83.photobucket.com/albums/j282/ersmar/?action=view¤t=Scotchmastic.jpg
> .
>
> 73 de
> Gene Smar AD3F
>
>
> ----- Original Message -----
> From: "Marlon K. Schafer (509-982-2181)" <ooe@odessaoffice.com>
> To: "K8RI on TT" <k8ri-on-towertalk@tm.net>; <towertalk@contesting.com>
> Sent: Friday, September 30, 2011 2:27 PM
> Subject: Re: [TowerTalk] heat shrink weathering
>
>
>> mmm or 3m?
>>
>> I've used the glue filled version of that too. It just doesn't stick to
>> the
>> coax after a while and that leaves a way for water to get in.
>>
>> A new thing I've seen a couple of times lately has been a hole in my
>> mastic
>> tape. looks almost like some sort of bug has drilled a hole in it.
>>
>> I can't decide if I need to just tape over it or replace the entire cable
>> and antenna (only 3' of cable). I am starting to wonder if it's more an
>> issue of air having been in the connection when it was installed on a
>> cold
>> day and then pushing through as things got hotter.
>>
>> Any ideas?
>> marlon
>>
>> ----- Original Message -----
>> From: "K8RI on TT" <k8ri-on-towertalk@tm.net>
>> To: <towertalk@contesting.com>
>> Sent: Thursday, September 29, 2011 4:45 PM
>> Subject: Re: [TowerTalk] heat shrink weathering
>>
>>
>>> On 9/29/2011 6:37 PM, Marlon K. Schafer (509-982-2181) wrote:
>>>> What is MMM stuff?
>>>
>>> It's a flooded heat shrink tube that comes various sizes made by MMM
>>>
>>> 73
>>>
>>> Roger (K8RI)
>>>> marlon
>>>>
>>>> ----- Original Message -----
>>>> From: "K8RI on TT"<k8ri-on-towertalk@tm.net>
>>>> To:<towertalk@contesting.com>
>>>> Sent: Monday, September 26, 2011 10:22 AM
>>>> Subject: Re: [TowerTalk] heat shrink weathering
>>>>
>>>>
>>>>> On 9/26/2011 11:52 AM, Marlon K. Schafer (509-982-2181) wrote:
>>>>>> When I was in the service we used quite a bit of this:
>>>>>> http://raychem.te.com/CableProtection.asp
>>>>>>
>>>>>> Pretty cool stuff. It had something in the jacket that showed when
>>>>>> you
>>>>>> were
>>>>>> getting it hot enough etc.
>>>>>>
>>>>>> Lately I've used some from a local electrical supply house. It
>>>>>> worked
>>>>>> well,
>>>>>> had lots of glue inside etc.
>>>>>>
>>>>>> What I found in my area is that when it gets cold the glue gets hard
>>>>>> and
>>>>>> doesn't stay sealed to the cable. This resulted in water
>>>>>> penetration.
>>>>> Try the flooded MMM stuff. It has never come loose here and we get a
>>>>> number of days and nights below zero in the winter.
>>>>>
>>>>> 73
>>>>>
>>>>> Roger (K8RI)
>>>>>> For the high frequencies that I work with this was a major problem.
>>>>>> Any
>>>>>> little bit of water at 2400mhz is a disaster. I've seen a LOT of sub
>>>>>> 1ghz
>>>>>> connections with no weather proofing at all work just fine.
>>>>>>
>>>>>> The heat shrink is great stuff where you can use it.
>>>>>>
>>>>>> laters,
>>>>>> marlon
>>>>>>
>>>>>>
>>>>>> ----- Original Message -----
>>>>>> From: "Joseph or Ruth Patrick"<hdmc38@bellsouth.net>
>>>>>> To: "Grant Saviers"<grants2@pacbell.net>
>>>>>> Cc:<towertalk@contesting.com>
>>>>>> Sent: Monday, September 12, 2011 6:40 AM
>>>>>> Subject: Re: [TowerTalk] heat shrink weathering
>>>>>>
>>>>>>
>>>>>> Good Morning Grant
>>>>>>
>>>>>> I can't give you an exact figure as to the life of the heat shrink
>>>>>> tubing.
>>>>>> If
>>>>>> you can find out who the manufacturer is they should be able to help
>>>>>> you
>>>>>> out. I
>>>>>> have used heat shrink on connectors that were hard to seal properly.
>>>>>> To
>>>>>> close to
>>>>>> something, not enough clearance etc. I have had some in use for 5
>>>>>> years
>>>>>> now.
>>>>>> Recently I had to replace an insulator on my mobile set up. I cut off
>>>>>> the
>>>>>> heat
>>>>>> shrink and the PL-259 was bright and shiny as when I sealed it. I
>>>>>> can't
>>>>>> give
>>>>>> you
>>>>>> a name because the piece I have left is not marked. I did use the
>>>>>> type
>>>>>> with
>>>>>> adhesive inside. Also look for a 3 to1 shrink ratio. If you don't
>>>>>> have
>>>>>> a
>>>>>> heat
>>>>>> gun I would suggest you purchase a cheap one unless you plan to use
>>>>>> it
>>>>>> a
>>>>>> lot. I
>>>>>> picked one up on E-bay for$20.00 + shipping. Yeah it was really cheap
>>>>>> but
>>>>>> it
>>>>>> worked fine and still does. Just go slow and don't get it to hot. I
>>>>>> also
>>>>>> use
>>>>>> a
>>>>>> silicone based paste named "STUFF" inside the connection. Had good
>>>>>> luck
>>>>>> with
>>>>>> that also. The adhesive type is hard to remove. Maybe some SteppIR
>>>>>> owners
>>>>>> can
>>>>>> help with that. Good Luck let us know how you make out.
>>>>>> 73 DE K4XZ Joe Patrick
>>>>>> God Made Man
>>>>>> Sam Colt Made Them Equal
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> ________________________________
>>>>>> From: Grant Saviers<grants2@pacbell.net>
>>>>>> To: towertalk@contesting.com
>>>>>> Sent: Sun, September 11, 2011 7:59:10 PM
>>>>>> Subject: [TowerTalk] heat shrink weathering
>>>>>>
>>>>>> I'm building a new SteppIR beam and they have changed from tape
>>>>>> wrapping
>>>>>> the fiberglass element joints to an adhesive lined heat shrink
>>>>>> "CANUSA
>>>>>> CFTV".
>>>>>>
>>>>>> This approach seems better than two layer's of Scotch 33 plus a layer
>>>>>> self amalgamating silicone tape which is what is in the instruction
>>>>>> book.
>>>>>>
>>>>>> My question is how long does the heat shrink/adhesive last in the
>>>>>> weather, sun, etc? Apparently CFTV has been used for some time in the
>>>>>> cellular business and a fellow towertalkian might have observed the
>>>>>> performance for 5 to 10 years.
>>>>>>
>>>>>> I have plenty of silicone tape and plain old #33 so could wrap each
>>>>>> heat
>>>>>> shrink piece if that is warranted.
>>>>>>
>>>>>> 73,
>>>>>>
>>>>>> Grant KZ1W
>>>>>> _______________________________________________
>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> 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
>>>>
>>>
>>>
>>> _______________________________________________
>>>
>>>
>>>
>>> _______________________________________________
>>> 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
|
