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Re: [TowerTalk] m2 40M4LLDD + 20m add on

To: W2RU - Bud Hippisley <W2RU@frontiernet.net>
Subject: Re: [TowerTalk] m2 40M4LLDD + 20m add on
From: Rich Hallman - N7TR <rich@n7tr.com>
Date: Wed, 10 Jul 2013 18:07:37 +0000
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Also....you can see a copy of the coil version on the K6MYC qrz page.....

Rich

On Jul 10, 2013, at 11:02 AM, "Rich Hallman - N7TR" <rich@n7tr.com> wrote:

> I have a coil version being built right now to upgrade a new 40m4lldd that 
> has not been installed yet. We have high winds where I live and mike and team 
> has done a great job in this design.  Bandwidth is the same as the linear 
> loading and he extends the boom by 4 feet I think.    Contact Jason at m2 for 
> a quote.   The option is not on their web, but they will offer the upgrade if 
> asked.  I also have them building a 80m2 for me that is going on the hdx-689 
> that I just finished installing.   Mike did comment that the 4 ele 20 add on 
> for the coil version was not ready yet.
> 
> Thanks,    Rich. N7TR
> 
> On Jul 10, 2013, at 9:38 AM, "W2RU - Bud Hippisley" <W2RU@frontiernet.net> 
> wrote:
> 
>> I'm one of those guys up north.  Ice and/or wet snow on the linear loading 
>> is a disaster; it will move the SWR at the "fair weather" minimum SWR point 
>> far enough in either direction to activate the Alpha 99 high-SWR shutdown 
>> circuit and generally cause deterioration of various electrical parameters 
>> of the beam.  That said, I'm very, very pleased with the mechanical aspects 
>> of my 40M2LL (and by extension, the 40M3LL), so I'm hopeful the coils will 
>> be offered as a retrofit to existing LL owners.
>> 
>> Bud, W2RU
>> 
>> I'm looking forward 
>> On Jul 10, 2013, at 9:04 54AM, Bob Gibson <w5rg@yahoo.com> wrote:
>> 
>>> I talked with Mike about a year ago and he said they were coming out with a 
>>> coil design for the 40 meter beam and make it a option that you can change 
>>> from linear loaded element to a coil design..the new antenna was going to 
>>> be longer also...they were doing this because some of the guys who live up 
>>> North were having trouble with the ice in the winter..I don't plan to 
>>> change mine out..it works fine just like it is..Bob
>>> 
>>> Bob Gibson W5RG
>>> 
>>> ________________________________
>>> From: Jim Thomson <jim.thom@telus.net>
>>> To: towertalk@contesting.com 
>>> Sent: Wednesday, July 10, 2013 3:44 AM
>>> Subject: [TowerTalk] m2  40M4LLDD  + 20m add on
>>> 
>>> ## Flash... apparently m2 is now making a COIL  version of their 40M4LLDD.  
>>>  The coils are slick,  machined
>>> from thick wall AL tubing.   The ends of the tubing are not machined in the 
>>> lathe.  That allows for a superb
>>> electrical + mech connection at each end of the coil.   Plus the uh of each 
>>> coil is consistent.   The LL  tubing
>>> was also the truss for each ele, so presumably  dacron rope etc, would have 
>>> to be used with any coil version.    
>>> 
>>> Later....... Jim  VE7RF
>> 
>> _______________________________________________
>> 
>> 
>> 
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> 
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