Towertalk
[Top] [All Lists]

Re: [TowerTalk] Cut off extra 7 ft of mast or leave it?

To: Dick Williams <richardk8ztt@gmail.com>
Subject: Re: [TowerTalk] Cut off extra 7 ft of mast or leave it?
From: David Winarsky <david@winarsky.com>
Date: Mon, 23 Nov 2020 06:18:11 -0800
List-post: <mailto:towertalk@contesting.com>
Thanks everyone for all the great comments and advice!  It sounds like a lot of 
people have a similar setup and are actually utilizing the extra space space.  
I wasn’t sure the extra length of mast would be stable enough to hold another 
antenna on its own, but based on this thread I’ll plan to put a 3 feet of the 
mast in the tower (with the rotator plate 3 ft down as Karl advised), put the 
Steppir a few feet above the top of the tower, and the JK40 all the way at the 
top. 

By the way, one additional question I forgot to ask— I had been advised to 
rotate the JK40 90 degrees from the Steppir to avoid interaction between the 
two antennas.  Do you folks advise the same?

Thanks again,
David K6ZD

> On Nov 22, 2020, at 21:51, Dick Williams <richardk8ztt@gmail.com> wrote:
> 
> 
> Dave,
> 
> If you are not planning on stacking another antenna on the tower, why not 
> move the 40M dipole up higher and utilize the additional 7 ft to get the 40M 
> rotatable dipole a bit higher up?  That tower seems to have similar specs to 
> my old US Tower HDX-54 that I have had up close to 20 years.  Like yourself, 
> I have a 20 ft mast and the rotor (Tailtwister) is mounted in the tower with 
> 3 or so feet of mast in the tower.  I use the tower to hold two Force 12 
> Magnum antennas.  One is a 7 element 12 M beam about 1 ft above the top of 
> the tower, and the other is an 8 element 10 M beam about 3 ft from the top of 
> the mast (the U Bolt and saddle that holds the truss cable for the 10M beam 
> is at the top of the mast).  I live on top of a hill, and have had winds in 
> excess of 70 MPH on more than one occasion. 
> 
> Have fun erecting the tower.  For the first time since I erect it, I had to 
> do some maintenance last week, and it was sure nice to be able to lower it 
> down!
> 
> Dick, K8ZTT
> 
>> On Sun, Nov 22, 2020 at 9:38 PM Gary K9GS <k9gs@gjschwartz.com> wrote:
>> I'd have to study this a bit more but why not put a 3 ele 6m beam at the top 
>> and stack with the DB11 on 6m?73,Gary K9GS
>> -------- Original message --------From: Raymond Benny <rayn6vr@gmail.com> 
>> Date: 11/22/20  10:23 PM  (GMT-06:00) To: wesattaway@bellsouth.net Cc: Tower 
>> Talk <TowerTalk@contesting.com>, David Winarsky <david@winarsky.com> 
>> Subject: Re: [TowerTalk] Cut off extra 7 ft of mast or leave it? You paid 
>> big bucks for a good mast. 7ft sticking up won't hurt a thing.Besides, you 
>> may want to add another antenna in the future.Ray,N6VR/W7YAOn Sun, Nov 22, 
>> 2020, 7:56 PM Wes Attaway <wesattaway@bellsouth.net> wrote:> I would leave 
>> it in place because someday you might want to put a vertical> up there.>>    
>>   ----------------------------------->       Wes Attaway (N5WA)> (318) 
>> 393-3289 - Shreveport, LA> Computer/Cellphone Forensics>       
>> AttawayForensics.com>      -----------------------------------> 
>> -----Original Message-----> From: TowerTalk 
>> [mailto:towertalk-bounces@contesting.com] On Behalf Of> David> Winarsky> 
>> Sent: Sunday, November 22, 2020 8:39 PM> To: TowerTalk@contesting.com> 
>> Subject: [TowerTalk] Cut off extra 7 ft of mast or leave it?>> I'm putting 
>> up my first tower, a LM-354HDSP with a Steppir DB11 and a JK 40> meter 
>> horizontal dipole, both in the same mast. I have a 20 ft 2 in OD mast> from 
>> Tashjian and am wondering whether I should cut off the unused length> or> 
>> leave it?>> Karl at Tashjian suggested I install the rotator plate 3 ft 
>> below the top> of> the tower and the DB11 2 ft above the top, with the JK40 
>> 8 ft above that> (10> ft from the top of the tower). That will leave 7 ft of 
>> the mast unused.>> Do you folks recommend I leave the extra 7ft of the mast 
>> in place or cut it> off?>> Appreciate the input and any other comments or 
>> suggestions on my plan.>> 73,> David K6ZD> 
>> _______________________________________________>>>> 
>> _______________________________________________> 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 
>> listTowerTalk@contesting.comhttp://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
<Prev in Thread] Current Thread [Next in Thread>