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> Today's Topics:
>
> 1. Lubricating Tuner Roller (doc)
> 2. Cadwelding Copper Flashing (?) (Jason Dugas)
> 3. Re: Tramming (W3YY)
> 4. Re: antenna height vs hassle (Bill Coleman)
> 5. Re: Cadwelding Copper Flashing (?) (FireBrick)
> 6. Re: antenna height vs hassle (Robert Shohet)
> 7. RE: Cadwelding Copper Flashing (?) (Wilson Lui)
> 8. Re: Cadwelding Copper Flashing (?) (Bill Aycock)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 22 Aug 2004 13:41:36 -0700
> From: doc <kd4e@verizon.net>
> Subject: [TowerTalk] Lubricating Tuner Roller
> To: Tower Talk List <towertalk@contesting.com>
> Message-ID: <41290500.8040406@verizon.net>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> On the advice of this list I have been searching for the
> special "molybdenum-disulfide suspension in extreme pressure
> oil" brand named "Moli-Spray #3", so far without success.
>
> The local hardware company suggested I try Elmer's
> "Slide-All Dry Spray Lubricant".
>
> Since the goal is lubrication without attracting grit
> and dust is there any reason not to use the Elmer's
> stuff on the screeching roller?
>
> BTW: This is a huge homebrew tuner based on 80's-90's ARRL
> Handbook designs "SPC Transmatch" and I think it was built
> by N8VUU.
>
> --
> Thanks! & 73, doc kd4e
> West Central Florida 100% Linux. Suse 9.1
> Drake, Hallicrafters, Heathkit, TenTec, Yaesu
> Radio Life: http://www.gospelcom.net/twr/
> Linux-Incompatible hardware is defective!
> USA Pres. Election 2004: http://www.rnc.org/
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
> ------------------------------
>
> Message: 2
> Date: Sun, 22 Aug 2004 16:40:38 -0500
> From: "Jason Dugas" <kb5urq@hotmail.com>
> Subject: [TowerTalk] Cadwelding Copper Flashing (?)
> To: <towertalk@contesting.com>
> Message-ID: <BAY9-DAV21xiO9oRdUY0000b687@hotmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> I have searched and searched throughout the archives of TowerTalk and have
> not been able to ascertain the definitive (or even a good idea) method for
> cadwelding copper flashing to copper-clad rods. Is this possible? Has
> anyone done it? I did see one email that referred to Cadweld's commercial
> molds for doing this but am not sure which product the author was
> referring
> to.
>
> About to put down a ground system for my tower using copper flashing and
> would like to hear the best method for making the bond from the flashing
> to
> the rods.
>
> Thanks in advance,
>
> Jason
> KB5URQ
>
>
> ------------------------------
>
> Message: 3
> Date: Sun, 22 Aug 2004 22:13:19 -0000
> From: "W3YY" <w3yy@cox.net>
> Subject: Re: [TowerTalk] Tramming
> To: "TowerTalk List" <towertalk@contesting.com>, "Jim Idelson"
> <k1ir@designet.com>
> Message-ID: <018c01c48895$3b48d4f0$6601a8c0@w3yy>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Jim -
>
> The 3/16" galvanized aircraft control cable is super flexible and rolls
> easily into a small space. It has the same or more strength than EHS and
> is
> about the same cost.
>
> 73, Bob - W3YY
>
>
> ----- Original Message -----
> From: "Jim Idelson" <k1ir@designet.com>
> To: "TowerTalk Post" <towertalk@contesting.com>
> Sent: Tuesday, August 17, 2004 1:31 PM
> Subject: [TowerTalk] Tramming
>
>
>> Thanks for all the responses. Looks like EHS is the way to go. I like
>> the
> idea
>> of using Big Grips on the ends so that the terminations are adjustable
>> and
> so
>> the pulley can travel right up to the mast. The only thing I don't like
> about
>> this solution is the difficulty in storage. I'd prefer a more flexible
> material
>> that can be rolled more easily into a smaller roll.
>>
>> 73,
>>
>> Jim Idelson K1IR
>> email k1ir at designet.com
>> web http://www.designet.com/k1ir
>>
>> _______________________________________________
>>
>> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with
> any
> questions and ask for Sherman, W2FLA.
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk@contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>>
>
>
>
>
> ------------------------------
>
> Message: 4
> Date: Sun, 22 Aug 2004 19:00:27 -0400
> From: Bill Coleman <aa4lr@arrl.net>
> Subject: Re: [TowerTalk] antenna height vs hassle
> To: KI9A@aol.com
> Cc: towertalk@contesting.com, smc@w9smc.contesting.com
> Message-ID: <0EF8443A-F48F-11D8-BCC6-000A95CC9FB4@arrl.net>
> Content-Type: text/plain; charset=US-ASCII; format=flowed
>
>
> On Aug 15, 2004, at 6:27 PM, KI9A@aol.com wrote:
>
>> I live on a small lot, can't really have
>> a guyed tower. I now have a roof tower with my 2 meter yagi at about
>> 27', the
>> A3 tribander at 30' & a 6 meter yagi at 33'.
>
> I had a similar situation at my old QTH - A3S at 35 feet, 2m boomer at
> 43 feet.
>
>> In order to put this 40' tower up, I would have to hire out the hole
>> (5'x5'x5'), then hand carry all of the concrete approx 120-150'
>> across the grass, on
>> an uneven area (ugh). No way to get the truck any closer.
>
> Here's some alternatives. First, you don't necessarily have to use a
> ready-mix truck. You could consider mixing the concrete yourself. If
> you did this, you could rent a small mixer, and do two bags at a time.
> (Note that it would take in excess of 100 bags, so I wouldn't recommend
> this)
>
> Second, you can rent a powered wheelbarrow to carry the concrete from
> the curb to the hole. either that, or get about four good friends with
> wheelbarrows to shuttle the concrete across the yard.
>
> Third, if the hole is downhill from the road, you can rig up a trough
> to the hole. Failing that, you can rent a pump truck to move the
> concrete uphill.
>
>> Bottom line is this...is the cost & hassle of this worth the potential
>> gain?
>> If the tower was 60-80', I'd say of course, but, going from 30' to
>> 45', I
>> dunno if there would be much improvement to be worth it. I'm beginning
>> to think
>> not.
>
> At my old QTH, I have the A3S at 35 feet. Today it is on a tower next
> to the house at just under 50 feet. It certainly behaves differently,
> especially on 20m. Further, I have much less RFI in the house.
>
> 125 cubic feet of concrete seems like a huge hassle, but I've gotten
> much more enjoyment out of my station since I have a (modestly)
> improved station.
>
> Bill Coleman, AA4LR, PP-ASEL Mail: aa4lr@arrl.net
> Quote: "Not within a thousand years will man ever fly!"
> -- Wilbur Wright, 1901
>
>
>
> ------------------------------
>
> Message: 5
> Date: Sun, 22 Aug 2004 18:35:38 -0500
> From: "FireBrick" <w9ol@billnjudy.com>
> Subject: Re: [TowerTalk] Cadwelding Copper Flashing (?)
> To: "Jason Dugas" <kb5urq@hotmail.com>, <towertalk@contesting.com>
> Message-ID: <00d101c488a0$bb6c2c30$6501a8c0@HS2>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=original
>
> I've never seen a way to cadweld copper strip to a ground rod.
> Maybe there is and I missed it.
> But I use mechanical means
> Two of them.
> one way
> Using a sawzall, I gut a kerf in the ground rod, slid the copper flashing
> into the kerf.
> Then I drilled through the rod and the flashing and tightened with brass
> screws/nets.
> the other
> I sawed a section of 3/8" copper pipe length wise. Wrapped the flashing
> around the rod and
> again drilled through the pipe, rod and flashing. Used brass screws,
> washers, and nuts.
>
> I've tried both with and without copper conductive paste.
>
>
> Sure hope someone who reads this and says that my way is wrong will let me
> know.
> Just because this was the best way I could think of doesn't mean there
> isn't a better way.
> Always open to suggestions and improvements.
>
>
>
> ----- Original Message -----
> From: "Jason Dugas" <kb5urq@hotmail.com>
> To: <towertalk@contesting.com>
> Sent: Sunday, August 22, 2004 4:40 PM
> Subject: [TowerTalk] Cadwelding Copper Flashing (?)
>
>
>>I have searched and searched throughout the archives of TowerTalk and
>> have
>> not been able to ascertain the definitive (or even a good idea) method
>> for
>> cadwelding copper flashing to copper-clad rods. Is this possible? Has
>> anyone done it? I did see one email that referred to Cadweld's
>> commercial
>> molds for doing this but am not sure which product the author was
>> referring
>> to.
>>
>> About to put down a ground system for my tower using copper flashing and
>> would like to hear the best method for making the bond from the flashing
>> to
>> the rods.
>>
>> Thanks in advance,
>>
>> Jason
>> KB5URQ
>> _______________________________________________
>>
>> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
>> Weather
>> Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
>> questions and ask
>> for Sherman, W2FLA.
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk@contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>>
>
>
>
>
> ------------------------------
>
> Message: 6
> Date: Sun, 22 Aug 2004 19:43:00 -0400
> From: "Robert Shohet" <kq2m@earthlink.net>
> Subject: Re: [TowerTalk] antenna height vs hassle
> To: "Bill Coleman" <aa4lr@arrl.net>, <KI9A@aol.com>
> Cc: towertalk@contesting.com, smc@w9smc.contesting.com
> Message-ID: <000701c488a1$c3c81b40$7b00a8c0@dchm7>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Is it a matter of not being able to get the concrete truck close to
> the hole, or you can't get anything near the hole?
>
> At my qth there was no way to get a concrete truck closer than 150'
> from my 130' tower base.
>
> So I paid the guy with the backhoe to be at the concrete pour.
> We had the concrete truck pour (through the chute) the concrete
> into the backhoe shovel, about 1 cubic yard at a time, and the
> backhoe carried the concrete on my rock ledge over VERY uneven
> ground to the tower bases.
>
> It went surprisingly fast and very well with virtually no
> concrete spillage.
>
> I used a large backhoe. You can also rent a small backhoe
> with a small shovel and bulldozer plow and the small ones
> can fit almost anywhere and navigate highly uneven ground
> and rock ledge very easily.
>
> The project should take less than 1 hour - I had the large
> backhoe fill two tower bases, and six guy anchors with
> 20 cu yds of concrete in about 1 hour! Both tower bases and
> 4 of the guy anchors were complete inaccessible to the
> concrete truck.
>
> If you saw my QTH and where the tower bases and guy anchors are in the
> deep woods on rockledge, you would marvel at how it was possible.
>
> For the $200 I spent on the backhoe and operator, it was amazingly
> well worth it.
>
> 73
> Bob KQ2M
>
>
> ----- Original Message -----
> From: "Bill Coleman" <aa4lr@arrl.net>
> To: <KI9A@aol.com>
> Cc: <towertalk@contesting.com>; <smc@w9smc.contesting.com>
> Sent: Sunday, August 22, 2004 7:00 PM
> Subject: Re: [TowerTalk] antenna height vs hassle
>
>
>>
>> On Aug 15, 2004, at 6:27 PM, KI9A@aol.com wrote:
>>
>> > I live on a small lot, can't really have
>> > a guyed tower. I now have a roof tower with my 2 meter yagi at about
>> > 27', the
>> > A3 tribander at 30' & a 6 meter yagi at 33'.
>>
>> I had a similar situation at my old QTH - A3S at 35 feet, 2m boomer at
>> 43 feet.
>>
>> > In order to put this 40' tower up, I would have to hire out the hole
>> > (5'x5'x5'), then hand carry all of the concrete approx 120-150'
>> > across the grass, on
>> > an uneven area (ugh). No way to get the truck any closer.
>>
>> Here's some alternatives. First, you don't necessarily have to use a
>> ready-mix truck. You could consider mixing the concrete yourself. If
>> you did this, you could rent a small mixer, and do two bags at a time.
>> (Note that it would take in excess of 100 bags, so I wouldn't recommend
>> this)
>>
>> Second, you can rent a powered wheelbarrow to carry the concrete from
>> the curb to the hole. either that, or get about four good friends with
>> wheelbarrows to shuttle the concrete across the yard.
>>
>> Third, if the hole is downhill from the road, you can rig up a trough
>> to the hole. Failing that, you can rent a pump truck to move the
>> concrete uphill.
>>
>> > Bottom line is this...is the cost & hassle of this worth the potential
>> > gain?
>> > If the tower was 60-80', I'd say of course, but, going from 30' to
>> > 45', I
>> > dunno if there would be much improvement to be worth it. I'm beginning
>> > to think
>> > not.
>>
>> At my old QTH, I have the A3S at 35 feet. Today it is on a tower next
>> to the house at just under 50 feet. It certainly behaves differently,
>> especially on 20m. Further, I have much less RFI in the house.
>>
>> 125 cubic feet of concrete seems like a huge hassle, but I've gotten
>> much more enjoyment out of my station since I have a (modestly)
>> improved station.
>>
>> Bill Coleman, AA4LR, PP-ASEL Mail: aa4lr@arrl.net
>> Quote: "Not within a thousand years will man ever fly!"
>> -- Wilbur Wright, 1901
>>
>> _______________________________________________
>>
>> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with
> any
> questions and ask for Sherman, W2FLA.
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk@contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>>
>
>
>
>
> ------------------------------
>
> Message: 7
> Date: Sun, 22 Aug 2004 17:04:42 -0700
> From: "Wilson Lui" <wilsonlui@atitec.com>
> Subject: RE: [TowerTalk] Cadwelding Copper Flashing (?)
> To: "'Jason Dugas'" <kb5urq@hotmail.com>
> Cc: towertalk@contesting.com
> Message-ID: <S.0000166925@smtp.atitec.com>
> Content-Type: text/plain; charset="US-ASCII"
>
> Flashing is too thin to weld with exothermic welding (cadweld). Recommend
> using sliver brazing or go with a thicker material.
>
>
>
> The steel inside the ground rod will almost be guaranteed to corrode when
> moisture comes between the copper and steel. Galvanic corrosion will
> naturally occur.
>
>
>
> How wide and thin is the copper strip? We can custom make exothermic
> welding
> molds to weld the strip to the ground rod as long as the strip is of
> enough
> thickness.
>
>
>
>
>
> Wilson Lui
>
>
>
> ATI Tectoniks
>
> Tel: +1(310) 257-1616
>
> +1(877) EXOWELD
>
> Fax: +1(310) 257-1170
>
> wilsonlui@atitec.com
>
>
>
>
>
>
>
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of Jason Dugas
> Sent: Sunday, August 22, 2004 2:41 PM
> To: towertalk@contesting.com
> Subject: [TowerTalk] Cadwelding Copper Flashing (?)
>
>
>
> I have searched and searched throughout the archives of TowerTalk and have
>
> not been able to ascertain the definitive (or even a good idea) method for
>
> cadwelding copper flashing to copper-clad rods. Is this possible? Has
>
> anyone done it? I did see one email that referred to Cadweld's commercial
>
> molds for doing this but am not sure which product the author was
> referring
>
> to.
>
>
>
> About to put down a ground system for my tower using copper flashing and
>
> would like to hear the best method for making the bond from the flashing
> to
>
> the rods.
>
>
>
> Thanks in advance,
>
>
>
> Jason
>
> KB5URQ
>
> _______________________________________________
>
>
>
> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with
> any
> questions and ask for Sherman, W2FLA.
>
>
>
> _______________________________________________
>
> TowerTalk mailing list
>
> TowerTalk@contesting.com
>
> http://lists.contesting.com/mailman/listinfo/towertalk
>
>
>
> ------------------------------
>
> Message: 8
> Date: Sun, 22 Aug 2004 20:35:45 -0500
> From: Bill Aycock <baycock@direcway.com>
> Subject: Re: [TowerTalk] Cadwelding Copper Flashing (?)
> To: Jason Dugas <kb5urq@hotmail.com>, towertalk@contesting.com
> Message-ID: <5.2.0.9.2.20040822203320.00bb75f0@pop3.direcway.com>
> Content-Type: text/plain; charset=us-ascii; format=flowed
>
>
> Stupid (?) question- Have you asked the manufacturers of the Cad-weld
> units?
> Bill
>
> At 04:40 PM 8/22/2004 -0500, Jason Dugas wrote:
>
>>I have searched and searched throughout the archives of TowerTalk and
>> have
>>not been able to ascertain the definitive (or even a good idea) method
>> for
>>cadwelding copper flashing to copper-clad rods. Is this possible?
>
> Bill Aycock - W4BSG
> Woodville, Alabama
>
>
>
>
> ------------------------------
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
>
> End of TowerTalk Digest, Vol 20, Issue 61
> *****************************************
>
Mike Urich, KA5CVH
http://ka5cvh.com
Character = How you treat people who can do nothing for you in return!
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
_______________________________________________
TowerTalk mailing list
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