[TowerTalk] Homebrew Crank-up

[Gene Fuller]

As sailors say "getting there is half the fun". Designing and building a 
track system is great for a real DIY'er.

----- Original Message ----- 
From: "pehaire" <pehaire at comcast.net>
To: "Tower and HF antenna construction topics." <towertalk at contesting.com>
Sent: Saturday, March 27, 2010 12:41 PM
Subject: Re: [TowerTalk] Homebrew Crank-up


>I am jumping into the middle of a thread because I have lost several
> e-mails.  I don't know if this will help.
>
> In the 1960 issue of Orr's Beam Antenna Handbook on page 66 are some 
> photos
> of W6YMD's 110 foot telephone pole tower with its track assembly.
>
> On page 162 is a track system of K9UZG.  He uses channel iron for a track
> and skate wheels for the rollers on a carriage holding rotator and yagi. 
> I
> talked to him and he sent me the detail drawing but they have been lost 
> thru
> moving from home to home over the years.
>
> I have had much pleasure over the years with a 30 foot tower and a hinged 
> tv
> mast with all sorts of fixtures I welded and bolted to my tower.
>
> Like DeMaw and McCoy says, propagation is 95 percent of a contact .
>
> WA5MUE
>
>
> ----- Original Message ----- 
> From: "jimlux" <jimlux at earthlink.net>
> To: "Tower and HF antenna construction topics." <towertalk at contesting.com>
> Sent: Saturday, March 27, 2010 10:14 AM
> Subject: Re: [TowerTalk] Homebrew Crank-up
>
>
>> scottw3tx at verizon.net wrote:
>>> Plan to budget about $9000 for a licensed PE and SE team to study,
>>> stamp, and approve the plan for TIA-G for the zip code of the project.
>>> Otherwise, if there is a failure/property damage/injury, the liability
>>> falls on the shoulders of the builder. Pun intended.
>>>
>>
>>
>> Oddly, depending on how it's done, it might not fall under TIA-222.  I
>> don't think tower trailers follow TIA-222, for instance.
>>
>> It might be more like an extending boom crane, from a regulatory
>> standpoint. Or some other weird thing.
>>
>> $9K doesn't buy a whole lot of engineering hours, by the way...
>> designing something like this is a somewhat bigger job than that.
>>
>> But, sure.. if it falls down, he/she who built it is on the hook.
>>
>> By the way, googling for "temporary lighting tower" or "temporary
>> communications tower"  brings up lots of companies who build stuff like
>> this, with pretty detailed photos and drawings for design ideas.
>> _______________________________________________
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>>
>>
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