---------- Forwarded message ----------
From: Scott Stembaugh <radio.n9ljx@gmail.com>
Date: Jul 31, 2007 10:09 PM
Subject: Re: [TowerTalk] Installing first tower
To: jeremy-ca <km1h@jeremy.mv.com>
Not a crank-up. Just 4 10' sections plus the base with a hinge plate.
On 7/31/07, jeremy-ca <km1h@jeremy.mv.com > wrote:
>
> Is it a complete crank up or just sections. Rohn did not make a crank up.
> If it is a crank up what is the actual height when extended and how long
> is
> each section?
>
> Im a bit confused as to what you actually have there.
>
> Carl
> KM1H
>
>
>
> ----- Original Message -----
> From: "Scott Stembaugh" <radio.n9ljx@gmail.com>
> To: <towertalk@contesting.com>
> Sent: Tuesday, July 31, 2007 9:08 PM
> Subject: [TowerTalk] Installing first tower
>
>
> > OK, I am finally preparing to install my first tower. I have been
> reading
> > TowerTalk for quite some time hoping to gain some wisdom of some of the
> > experts. I thought I should ask some direct questions to see if the
> > answers
> > are what I think they are. As you read thru these questions keep in
> mind
> > that money is a consideration. I want to do it as best I can, but the
> > pockets are not deep.
> >
> > The tower is an old 40' Rohn (so I was told) with a 16" face on the
> bottom
> > 10'. I have no idea of the model number and it is at least 20 years
> old.
> > In is in good shape structurally and has been painted annually by the
> > previous owner. I do have the base section to bury in the concrete
> along
> > with the hinge. The antenna is a KLM KT34A. 4 elements on a 16' boom.
> 6
> > sq. ft wind area, 45 lbs. There will also be a 40/80 trap inverted vee
> > hanging from near the top. This is the tower I have and it will be the
> > one
> > I use.
> >
> > This is in a suburban lot, 1/3 acre. In order to keep all pieces parts
> in
> > my airspace the tower will be erected next to the house at the midpoint
> > lengthwise (ie, not near peak of roof). I know that is not optimal but
> it
> > is what I have to work with. One end of the house is 7' feet from the
> > poerty
> > line and the other is 10' or so but the peak is over the end of the
> > concrete
> > driveway and I really don't want to bust that up.
> >
> > Guying - What would you recommend for guying my tower? I would like the
> > guys elevated and one of them "MAY" be attached to the house. How far
> out
> > should they be from the base? I have little wind protection from the
> west
> > and northwest. I was thinking 10' pipes with 3' in concrete and 7'
> above.
> > The tower will be house bracketed but only at about 7-10' high. What
> size
> > of
> > guy wire should I use and at what height points should I consider guying
> > it. If I do elevate the guys what size/type of support is best.
> >
> > Grounding/lightening - I have pretty rocky soil. Of course I am mainly
> > concerned about lightening protection. I have a 6' ground rod i was
> > planning to use. Is that sufficient or should I get an 8' or 10'
> rod(s)?
> > Do I bind the legs together with copper strapping or bring them
> seperately
> > to the rod(s)? What is your recommendation for protecting the feed line
> > and
> > rotor cable?
> >
> > Raising and lowering - Of course i plan on using the hinge plate. What
> > would be your suggestions for rigging a boat crank to raise and lower
> the
> > tower? What about supporting it when it is down. With the beam on it I
> > could only bring it down to the 8-10' level. What supports would I need
> > to
> > make sure the tower doesn't get out of kilter?
> >
> > Planting the tower - How much gravel should I have in the bottom of the
> > hole
> > for drainage? And how big should the hole be, diameter wise?
> >
> >
> > What else should I be worrying about? I am looking at 3-4 weeks to have
>
> > this up.
> >
> > Thanks and vy 73,
> > --scott
> >
> > --
> > ------
> > N9LJX
> > radio.n9ljx@gmail.com
> > http://web.ics.purdue.edu/~scott/ <http://web.ics.purdue.edu/%7Escott/><
> http://web.ics.purdue.edu/%7Escott/>
> > _______________________________________________
> >
> >
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
>
>
--
------
N9LJX
radio.n9ljx@gmail.com
http://web.ics.purdue.edu/~scott/ <http://web.ics.purdue.edu/%7Escott/>
--
------
N9LJX
radio.n9ljx@gmail.com
http://web.ics.purdue.edu/~scott/
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