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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