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Author Topic: T-Post for wire antennas.  (Read 44330 times)

Offline Mark Sarsfield

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Re: T-Post for wire antennas.
« Reply #15 on: April 08, 2008, 05:18:04 PM »
One thing that would help us out is if you got some up-close photos of the support insulatiors that attach the long wire to the t-post and the side of the superstructure.  We'll probably have to fabricate something that resembles what you guys have.
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"If you have one bucket that can hold 5 gallons and one bucket that can hold 2 gallons, how many buckets do you have?" - IQ test from Idiocracy

Offline Mark Sarsfield

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Re: T-Post for wire antennas.
« Reply #16 on: April 09, 2008, 05:20:21 PM »
Tom,

  What gauge wire would you guess that the Cobia's wire antenna is?  It appears to be stranded copper.
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Offline K0EFV

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Re: T-Post for wire antennas.
« Reply #17 on: April 09, 2008, 08:58:47 PM »
Mark:
I can only offer a guess #10.  If you look at the photo I sent the temp antenna  is RG-58 or 59U, and the long wire looks to be about the same size.
K0EFV
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Offline Mark Sarsfield

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Re: T-Post for wire antennas.
« Reply #18 on: April 09, 2008, 09:45:29 PM »
Okay.  I've seen #8 wire for sale on ebay and a lot of smaller stuff like 12 and 14.  I'll keep a look out for #10.
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Offline Mark Sarsfield

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Re: T-Post for wire antennas.
« Reply #19 on: April 10, 2008, 09:21:30 AM »
Rick,

  In all of that free time that you have (joke), I was wondering if you could get a rough measurement for me from the t-post to one of the antenna posts sticking out of the side of the superstructure near the porcelain antenna feed hole?  If we don't have any, then I guess Vaughn has one more project.   ::)
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Offline Rick

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Re: T-Post for wire antennas.
« Reply #20 on: April 10, 2008, 11:23:58 AM »
Mark S

I paced off 115 ft from the after mounting.  and 80 ft from the forward mounting.  I ususally end up just a tad over, so this should give you some good numbers.

Rick. 
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Offline Mark Sarsfield

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Re: T-Post for wire antennas.
« Reply #21 on: April 10, 2008, 11:26:35 AM »
Cool.  I found some #8 THHN (stranded) wire on eBay.  142' for $58 with shipping.  $.41 per foot isn't bad seeing how expensive copper has gotten.

Does UPS deliver to the museum?  I might be able to get the guy to ship it directly there.
« Last Edit: April 10, 2008, 02:25:49 PM by Mark Sarsfield »
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Offline Rick

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Re: T-Post for wire antennas.
« Reply #22 on: April 10, 2008, 02:39:54 PM »
Yes they do.  I will be happy to stor it until you get to it.   
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Offline Mark Sarsfield

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Re: T-Post for wire antennas.
« Reply #23 on: April 10, 2008, 02:52:17 PM »
Okay.  I will verify with the seller that it will be okay to ship to you.  Is the park rd. address adequate for UPS to find the museum?
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"If you have one bucket that can hold 5 gallons and one bucket that can hold 2 gallons, how many buckets do you have?" - IQ test from Idiocracy

Offline Rick

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Re: T-Post for wire antennas.
« Reply #24 on: April 10, 2008, 03:08:25 PM »
Yes,  The seem to know we are out here. 
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Offline Mark Sarsfield

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Re: T-Post for wire antennas.
« Reply #25 on: April 11, 2008, 10:12:36 AM »
I bought the #8 wire this morning and gave them the physical address to the park.  I made sure to give them the 74403 zip code, too, but UPS should find it, either way.  I emphasized that the Postal Service does not deliver to that address.  I doubt that they will use them, though, since UPS is generally cheaper on heavy items.
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Mark Sarsfield
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Offline Rick

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Re: T-Post for wire antennas.
« Reply #26 on: April 11, 2008, 12:28:34 PM »
No problem.  If they do use USPS.  It will be at the post office when I pick it up on tuesday.

Rick
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Offline MWALLEN

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Re: T-Post for wire antennas.
« Reply #27 on: April 11, 2008, 12:54:44 PM »
Quote
I can't remember if the T-post (looks like a clothes line post) is stil installed at the stern of the Batfish or not.  It would be forward of the aft stairwell leading to the aft torp. room.

Here is a photo of the Batfish with the T post forward (port side).  There is another post w/ wire starboard side.

This might help in determining where to place the T post.

Just an FYI.

Mark
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Offline Mark Sarsfield

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Re: T-Post for wire antennas.
« Reply #28 on: April 11, 2008, 01:53:45 PM »
There's a decommissioning photo that also shows a center T-Post on the bow.  We have several configurations to choose from.  A center post forward or aft, would probably be better than the two-post configuration, since the public has to walk along the edge of the boat to reach the bow stairwell.  It just looks like the wires would be more in the way, but I'll have to run some plumb line and map it out.
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Mark Sarsfield
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Offline MWALLEN

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Re: T-Post for wire antennas.
« Reply #29 on: April 11, 2008, 02:34:40 PM »
Either way...it's going to be a sweet addition.  Can't wait to see it installed
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