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Best Mast Pipe

Discussion in 'CB Antennas' started by Brain the Dog, Aug 1, 2017.

  1. FL Native

    FL Native Registered User

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    why all that home brewing to reinvent the wheel..... they sell push up poles at the big box home improvement store's.


     
    S&W357 likes this.

  2. Redbeard U812

    Redbeard U812 Sr. Member

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    Didn't reinvent the wheel.......made it better. It was what was lying around, a redneck with a 12 pack and a plan. Nothing was spent at the Big Box Store. Just a little elbow grease and imagination.
     
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  3. FL Native

    FL Native Registered User

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    well if its lying around...… then that's a whole new ball game. LOL
     
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  4. oldtymer

    oldtymer Well-Known Member

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    Used elec. rigid conduit for mast pipe for many installs.(y)
     
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  5. Redbeard U812

    Redbeard U812 Sr. Member

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    Found a push up discarded side of road, stopped to ask if I could have it and they gave me a bunch of 3/4" x 10 sections of galv pipe also. Actually had been considering the push up before scrap building, but got to drink'n an think'n......an weeeeelllll. Let's just do it. Then found the push up months later.
     
  6. HomerBB

    HomerBB Sr. Member

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    I live in NW Arkansas. There are 2Jpme Depots, and 5 Lowe's in the area. None of them stock a pushup pole. Special order only.
    All of them stock EMT and fence rail which costs slightly more than 1/3 the price of an equivalent height push-up pole.
    That's why I chose to use it; availability and cost.
     
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  7. FL Native

    FL Native Registered User

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    well now 1/3 the price I'm all for that......
     
  8. Redbeard U812

    Redbeard U812 Sr. Member

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    Once used fence top rail and EMT to make a telescope, just a little math, some cinch pins, and a drill.
     
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  9. Tallman

    Tallman W9WDX Amateur Radio Member, KW4YJ EXTRA class

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  10. Shadetree Mechanic

    Shadetree Mechanic 808 On The North Side of Dover

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    Just don't breathe the pink smoke from the Zinc coating. It can do damage to the nervous system. I heard of a guy that made lawn ornaments of some kind and got some galvanized pipe to work with. His life was never the same after that.
     
  11. Redbeard U812

    Redbeard U812 Sr. Member

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    That little bit ain't gonna hurt ya! Have welded plenty of grating and cold galv. steel. If it makes you a little nauseous, drink some milk. The fumes from the welding rods are far worse. Those 5P rods are now considered bad to breathe, we done breathed that crap for years in industry. Occupational hazzzzzzard. I now only stutter on z's.
     
  12. unit_399

    unit_399 EL CAPO

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    The ABSOLUTE BEST mast material is GUADUA !! https://www.bambooimport.com/en/guadua-bamboo-pole-o-11-13-x-200-cm

    Guadua can be considered bamboo on steroids. It is wood, can run from 3 - 5 inches in diameter, 30 to 50 feet tall, straight and strong as hell !!! I have used Guadua for my antenna masts ever since we moved to Colombia 12 years ago. I ran a 2-element quad atop a 13 meter guadua pole without guy wires, and it survived 11 years of Colombian thunderstorms. IMG_1035.JPG
    The best thing about using this as an antenna mast is that it is NOT metal, and does not attract lightning. Why use a metal mast that is nothing more than a lightning rod ??
    If you know anything about bamboo, it is that it will grow anywhere as long as there is a lot of water available. There are many places that will sell guadua sprouts that you can plant and harvest after only a years growth. Give it a try.

    - 399
     
    #42 unit_399, Apr 25, 2019
    Last edited: Apr 25, 2019
  13. Captain Kilowatt

    Captain Kilowatt Professional Amateur
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    The only thing I disagree about is the lightning issue. Lightning hits trees and wooden power poles all the time. Mast conductivity has nothing to do with the likelihood of it being hit by lightning. After all you have a metallic feedline running straight up it. I had lightning strike the wooden power pole right in front of my house a few years ago completely ignoring the metal tower in my yard of similar height.
     
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  14. Tallman

    Tallman W9WDX Amateur Radio Member, KW4YJ EXTRA class

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    If you buy it it is almost $30.00 per segment. Shipping would be cost prohibitive as well.
    The dimension they quote is diameter and no mention of length.
     
  15. SIX-SHOOTER

    SIX-SHOOTER Sr. Member

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    I have FOUR yagi antennas on a 21 ft piece of schedule 40 pipe (11 feet above the top of my Rohn 25) It has survived many Hurricanes & lots of Florida thunderstorms with Zero issues over 15 years so far.One of those antennas weighs 55 lbs.

    SIX-SHOOTER
     
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