T&T: renewing pencil zincs

Bruce Adornato adornato at gmail.com
Sun May 10 14:26:13 EDT 2020


I hold the bronze fitting with channel locks then heat the remnant of the pencil zinc to melting point with my propane torch then just tap on the ground to evacuate 

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> On May 10, 2020, at 9:00 AM, trawlers-request at lists.trawlering.com wrote:
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> Today's Topics:
> 
>   1. boat and engine zincs (Bruce Adornato)
>   2. Pencil Zincs (Rudy Sechez)
>   3. Pencil Zincs (Rudy Sechez)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sat, 9 May 2020 14:42:41 -0700
> From: Bruce Adornato <adornato at gmail.com>
> To: Trawlers-and-Trawlering <trawlers at lists.trawlering.com>
> Subject: T&T: boat and engine zincs
> Message-ID:
>    <CALA6P_7bszYKRW0YFGxkUTPzn=jWz5CM7hC7dgxwjsdwJmz+nA at mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
> 
> rudy,
> 
> i have been buying my zincs for my boats from boatzincs.com for the past 15
> years.
> always had good luck with the product and prices are fair. and free
> shipping if buying over 100 bucks worth.
> no financial conflict. just a happy customer.. and they no longer use
> plastic peanuts for shipping.
> 
> -- 
> bruce adornato
> Sarah McLean
> Mainship 30
> San Francisco
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Sat, 9 May 2020 18:54:06 -0400
> From: Rudy Sechez <rudysechez at gmail.com>
> To: Trawlers and Trawlering <trawlers at lists.trawlering.com>
> Subject: T&T: Pencil Zincs
> Message-ID:
>    <CAAaiWq4XgyVKJhG8m-fSQdAxasZGiSfbY1N_c-ugurXB51R2ZA at mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
> 
> The threads on pencil zincs, at least the ones that I purchase, are
> standard threads. I've purchased matching tap and die and use them to clean
> up poor threads, or when I drill out the plugs for reuse.
> 
> *Rudy & Jill Sechez *
> *BRINEY BUG-a 34' Sail-Assisted Trawler   *
> *Anchoring Consultants-trawlertrainingabc.com*
> *850-832-7748 *
> *Georgetown SC Northbound-Chesapeake*
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Sun, 10 May 2020 11:11:31 -0400
> From: Rudy Sechez <rudysechez at gmail.com>
> To: Trawlers and Trawlering <trawlers at lists.trawlering.com>
> Subject: T&T: Pencil Zincs
> Message-ID:
>    <CAAaiWq6c81n_6OeOQ3UB=Tx0Nm+PoHU2dc=h4whtbvkiT2cUtw at mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
> 
> Acid does a good job of ridding plugs of zinc, but on a boat, I find it
> troublesome to stow it or use it. Instead, I drill the zinc out of the plug
> doing the following:
> Since a broken off zinc usually leaves a raised point, I'll use an
> oversized drill to cut down the point, using the tapered edge of the plug
> to center the drill and the subsequent dimple. In my case, the zinc having
> 5/16 threads, I'll start with a drill which is as wide as the plug,
> something less than 3/8. Once a center dimple is formed, I'll start
> drilling a hole with as small of a drill, attempting to keep the hole
> centered. Once that drill pops through the bottom of the zinc, I'll start
> increasing the size of succeeding drills until I get as close to the
> threads as I'm comfortable, or until the 5/16 tap, using standard tapping
> technique, can be worked down through the threads. If a new zinc will not
> tighten adequately, I throw the plug out; after all, I'm no further behind
> than when I started.
> Occasionally I'll come across a zinc with poor threads, then I just chase
> the threads with a correct size die, in my case 516.
> I'd love to hear of other approaches to ridding a plug of broken off zincs.
> 
> *Rudy & Jill Sechez *
> *BRINEY BUG-a 34' Sail-Assisted Trawler   *
> *Anchoring Consultants-trawlertrainingabc.com*
> *850-832-7748 *
> *Georgetown SC Northbound-Chesapeake*
> 
> 
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> End of Trawlers-and-Trawlering Digest, Vol 213, Issue 9
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