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Re: [TowerTalk] Tilt Up Tower

To: "'Tower and HF antenna construction topics.'" <towertalk@contesting.com>
Subject: Re: [TowerTalk] Tilt Up Tower
From: "Perry - K4PWO" <k4pwo@comcast.net>
Reply-to: "Tower and HF antenna construction topics." <towertalk@contesting.com>
Date: Fri, 23 Apr 2010 12:40:02 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Rope over the ridge is a good way to damage your roof material.  Use a
doubled "tarp" (or other material) as a rope "shield" and pull slowly!
73 de Perry - K4PWO

-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of Gary "Joe" Mayfield
Sent: Wednesday, April 21, 2010 10:26 PM
To: 'Tower and HF antenna construction topics.'
Subject: Re: [TowerTalk] Tilt Up Tower

Grant,

   Rope over the house ridge tied to a truck  ---  I think I know what I am
going to do.

Thanks and 73,
Joe kk0sd

-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of Grant Saviers
Sent: Sunday, April 18, 2010 12:08 PM
To: Tower and HF antenna construction topics.
Subject: Re: [TowerTalk] Tilt Up Tower

"near the house"  How near?  I reinforced the gable studs on one house 
to be strong enough for a block and tackle.  It lifted 30' of Rohn 25 
plus 15' of mast extension with a TH7DX to a house bracket mount.  The 
hinged base was on a deck 1 floor up to yield 50' agl for the beam.  A 
strong tree or rope over the house ridge tied to a truck can also 
provide a point to tie off a block. 

A good lift point on a fixed tower is about 2/3 of the height.  Pushing 
it up or supporting it lower than 1/3 the height will likely bend or 
break something, I've seen this done.

If you don't have a block and tackle rig, sometimes you can rent one at 
a tool rental shop.  Having had several sailboats, I'm partial to the 
ball bearing sailboat blocks, since they are strong, weatherproof, and 
have very low friction.  Not cheap though!

Grant  KZ1W

Gary "Joe" Mayfield wrote:
> I have an HDBX-48 that I hope to put up in a couple of months.  The base
is
> designed to allow for the tower to be tilted up.  I am putting the tower
> near the house and do not have room for a falling derrick.  Rohn is very
> vague about tilting the tower up/down.
>
>  
>
> Anyone have some neat ideas or better yet pictures?
>
>  
>
> 73,
>
> Joe kk0sd
>
> _______________________________________________
>
>
>
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>
>   
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