[TowerTalk] Hose Clamps Compared

[Jim W7RY]

> What you failed to mention is that gravity is what really holds the 
> DB-224 together. The two sections slide inside of one another. Exactly 
> the same as a Rohn tower section.  The hose clamps are to simply keep 
> the sections from moving at the joint.
>
> I've installed countless numbers of them (and the UHF version DB-408, 
> DB-411 etc) on commercial towers. They work and hold together just 
> fine. They can even be lifted by the top and they hold together just fine.
>
> 73, Jim W7RY
>
>
> On 8/8/2022 6:18 PM, John Simmons wrote:
>> The venerable DB224
>>
>>
>> -- 
>> 73,
>> -de John NI0K rural Debs, MN
>> https://www.qrz.com/db/ni0k
>>
>>
>> Jim W7RY wrote on 8/8/2022 2:39 PM:
>>> Which one is that?
>>> Jim, w7ry
>>>
>>> On Mon, Aug 8, 2022, 12:17 PM john simmons 
>>> <jasimmons at pinewooddata.com> wrote:
>>>
>>>     And yet a popular and old design 21’ commercial antenna is
>>>     successfully held together with one worm drive hose clamp
>>>
>>>     > On Aug 8, 2022, at 11:19, Drew Vonada-Smith
>>>     <drew at whisperingwoods.org> wrote:
>>>     >
>>>     > Ouch.  I think I bought a tomato slicer from that guy once.
>>>     >
>>>     > I've had better luck with the T-bar style clamps in the
>>>     tougher applications.  But on my 80M 4SQ, which needed repairs
>>>     every year, I gave up and went to a combination of bolts, and
>>>     rivets on the smaller sections.  Not a failure since.  I've
>>>     mostly given up on hose clamps as a reliable antenna fastener.
>>>     >
>>>     > K3PA
>>>     >
>>>     > -----Original Message-----
>>>     >
>>>     > Message: 1
>>>     > Date: Sun, 7 Aug 2022 20:53:15 -0400
>>>     > From: Jon Pearl - W4ABC <jonpearl at tampabay.rr.com>
>>>     > To: towertalk reflector <towertalk at contesting.com>
>>>     > Cc: CrankupTiltoverTowers at groups.io
>>>     > Subject: [TowerTalk] Hose Clamps Compared...
>>>     > Message-ID: <f932d352-32fe-2a22-a0e9-3fe1e61a8e81 at tampabay.rr.com>
>>>     > Content-Type: text/plain; charset=UTF-8; format=flowed
>>>     >
>>>     > Sixteen hose clamps are put through a torture test in the
>>>     video, below.?
>>>     > A link to each clamp is provided under the description.
>>>     >
>>>     > https://www.youtube.com/watch?v=jtMPq2lG-8U
>>>     >
>>>     > 73,
>>>     >
>>>     >
>>>     > Jon Pearl - W4ABC
>>>     >
>>>     > *********************************
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>>>     >
>>>     >
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>>
>
> -- 
> Thanks and 73, Jim W7RY

-- 
Thanks and 73, Jim W7RY