Unfortunately this thread will be back in a couple months...it always does!
----- Original Message -----
From: "Chet" <chetmoore@cox.net>
To: "'Gene Fuller'" <w2lu@rochester.rr.com>; "'Dick Green WC1M'"
<wc1m73@gmail.com>; <towertalk@contesting.com>
Sent: Saturday, February 19, 2011 10:36 AM
Subject: Re: [TowerTalk] Force12 rivets
> Yesssssssss!
>
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of Gene Fuller
> Sent: Saturday, February 19, 2011 12:52 PM
> To: Dick Green WC1M; towertalk@contesting.com
> Subject: Re: [TowerTalk] Force12 rivets
>
>
> Assuming one rivet is strong enough to do the job the fact that they use
> three would indicate to me that not even the manufacturer doesn't trusts
> them. Perhaps a second for backup, but three.....? I would guess that
> cheaper is the answer. Lets get on with it - past time to cut the thread.
>
> ----- Original Message -----
> From: "Dick Green WC1M" <wc1m73@gmail.com>
> To: <towertalk@contesting.com>
> Sent: Saturday, February 19, 2011 12:07 PM
> Subject: Re: [TowerTalk] Force12 rivets
>
>
>>I have four Force12 antennas, including a C3E, and have never had a rivet
>> failure. I'm not an engineer, but it seems to me that the rivets they've
>> chosen are more than adequate for their smaller antennas. On first blush,
>> it
>> sounds like the hole was too large or the rivet wasn't pulled through all
>> the way. That said, my recollection is that most of the tubing joints in
>> my
>> C3E use a row of three rivets. It's unlikely all three rivets at any
>> particular joint would fail. I don't have the manual handy, but I vaguely
>> remember that the joints at the element tips use a single rivet or maybe
>> even a screw, probably because length adjustment may be necessary and you
>> wouldn't want to have to remove three rivets to do that. If that's where
>> the
>> failure is, then I'd bet it's a single rivet or screw.
>>
>> I would hesitate to use rivets 90-degrees or 180-degrees apart. The
>> joints
>> in Force12 antennas are designed to be secured on one side of the tubing
>> only. If you drill and install additional rivets, you could pull the
>> inner
>> tubing out of round and cause it to get stuck in the outer tubing, making
>> disassembly difficult or problematic.
>>
>> 73, Dick WC1M
>>
>>
>> -----Original Message-----
>> From: K8RI on TT [mailto:k8ri-on-towertalk@tm.net]
>> Sent: Friday, February 18, 2011 3:30 PM
>> To: towertalk@contesting.com
>> Subject: Re: [TowerTalk] Force12 rivets
>>
>> On 2/18/2011 1:27 PM, Larry stowell wrote:
>>>
>>> Barry
>>> "Single rivet"? My C31XR had 3 per joint.
>> My C19XR and an older style WARC-7 also have 3 and none of them are
>> blind. They look like conventional pop rivets in a row on the bottom
>> with about 3/4" spacing at each joint.
>>
>> 73
>>
>> Roger (K8RI)
>>> 73 Larry K1ZW
>>>
>>>
>>> -----Original Message-----
>>> From: towertalk-bounces@contesting.com
>> [mailto:towertalk-bounces@contesting.com] On Behalf Of Barry
>>> Gross
>>> Sent: Friday, February 18, 2011 12:02 PM
>>> To: towertalk@contesting.com
>>> Subject: Re: [TowerTalk] Force12 rivets
>>>
>>> Thanks for all the advice! What I think I'll eventually do when I get
>>> the
>> antenna down, is drill
>>> perpendicular holes one inch proximal (boomward) to all the existing
>> single rivets and add a second
>>> rivet.
>>>
>>> 73, Barry N1EU
>>>
>>> On Fri, Feb 18, 2011 at 4:07 PM, Mickey Baker<fishflorida@gmail.com>
>> wrote:
>>>
>>>> Careful drilling "perpendicular holes" - better to go down the length
>>>> of the tubing a few cm so as not to provide a weak point in the
>>>> element.
>>>>
>>>>
>>> _______________________________________________
>>>
>>>
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>>
>>
>>
>>
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