[450] Slack Loop Addendun

[David McKenzie]

http://www.starkelectronic.com/rotor.htm#rotor

TB-105, rotor is U-105 whoops.

On Mon, Mar 23, 2009 at 8:56 PM, David McKenzie <kb1fsy at vhfwiki.com> wrote:

> Notice the spacing distance on the mast, because it is only 10 feet tall
> there is no way to stack ideally and use the thrust bearing, so you have to
> take a little off where you can. I would seriously recommend doing it this
> way over just sticking the beam at the top of the rotor as it is now unless
> you want to wake up to disaster. You'll notice that it looks much more
> sturdy (because it is), and it also doesn't add anything noticeable from the
> ground. That way when the owner finally does bother you, you can tell him
> how sturdy it is to belay his fears.
>
>
> On Mon, Mar 23, 2009 at 8:54 PM, David McKenzie <kb1fsy at vhfwiki.com>wrote:
>
>> Attached is what I'd do (everything is to scale, estimated on the loops,
>> and adjust the spacing to your liking. You can get the thrust bearing from
>> Stark Electronics in Worchester, Mass for $20 or so. Drive or ship up to
>> you, but I wouldn't do it with out dropping the rotor and using a thrust
>> bearing, similar to Bob's setup and the poll in my back yard that you see so
>> often.
>>
>>
>>
>> 2009/3/23 <djmay at comcast.net>
>>
>> I see...  it's the same thing I have now for the halos.  What was hanging
>>> me up, Bob, was I was remembering the beam in my attic in Woodbury and I had
>>> to have tons of slack because the antenna was mounted  just above the rotor
>>> (the rotor was fixed to the attic floor.)  Thanks for undoing my mental
>>> block.
>>> ----- Original Message -----
>>> From: "Bob" <N1UJS at toast.net>
>>> To: "144.450 Mailing List" <450 at lists.vhfwiki.com>
>>> Sent: Monday, March 23, 2009 9:30:57 PM GMT -05:00 US/Canada Eastern
>>> Subject: Re: [450] Slack Loop Addendun
>>>
>>>  I don't have any close up pictures, so I'll try to explain....
>>> dress the cable from the beam in a straight line domn the mast with wire
>>> ties ont he OPPOSING side of the mast from the "rotor stop"......put the
>>> LAST wire tie (idealy MORE than one at this point) a foot or two above the
>>> rotor.   With the antenna turned halfway through rotation (if your "stop is
>>> NORTH, then point it SOUTH) bulge the cable out a foot or more so it makes a
>>> hump in the same direction the antenna is pointed, then start strpping it to
>>> the mast BELOW the rotor at about a foot or two down the mast and continue
>>> down with your ties.
>>> This should allow you enough slack in either direction of rotation.
>>> Get it?
>>>
>>>
>>> ----- Original Message -----
>>>  *From:* djmay at comcast.net
>>> *To:* 450 at lists.vhfwiki.com
>>> *Sent:* Monday, March 23, 2009 7:07 PM
>>> *Subject:* [450] Slack Loop Addendun
>>>
>>> Pictures OR diagrams would be greatly apprecited.  No rush, the beam is
>>> coming from M2 in California, and I was told it might be about a week.
>>>
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>>
>
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