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[TowerTalk] mast recommendation

To: <towertalk@contesting.com>
Subject: [TowerTalk] mast recommendation
From: k4oj@tampabay.rr.com (Jim White, K4OJ)
Date: Mon Aug 4 23:07:11 2003
my local supplier of Chrome molly has a similar line about length and so 
did the supplier I used to use in PA

My suggestion is to contact a guy wo runs a shop that sells to guys 
building racing cars... stock cars... that roll cage that the cosmetic 
"body" goes over is Chrome Molly tubing...

This guy will make routine purchases of this stuff and you can tell him 
what you need and ask him if he could include am XX foot length in his 
next order from that supplier...

My approach...

Jim, K4OJ




Bob Johnson wrote:
> Maybe you are asking for a little too much !!!
> 
> I seem to remember that 21 Feet was a "Standard Length" for
> pipe and tubing !!!
> 
> Try calling a supplier and asking " What is the Standard Length"
> for 2 inch OD 1/4 inch wall 4130 pipe or tubing.
> 
> Might be a few feet shorter, but many $$$ cheaper !!!
> 
> 73
> Bob, K1VU
> FN42ma
> 
>  At 07:49 PM 08/04/03 , wi8w wrote:
> 
>>Living in Grand Rapids, MI with a population of somewhere near 1 million
>>people you would think that finding a length of pipe for a mast would be a
>>easy task...not so.
>>
>>I have spent the last week calling every steel dealer both in new and used
>>steel for a chunk of 2 inch OD 1/4 inch wall 4130 pipe about 24 feet long.
>>Did I find anyone who could supply it?...nope.  All said it was special
>>order and they could not guarantee 24 feet.  best they could do is something
>>random betweek 17 and 24 feet  Special order meant that not only did I have
>>to pay for the pipe (around $16 a foot) but I would have to pay the shipping
>>(about $300 for a 24 foot length).  They all said that I could buy two
>>pieces (and pay the shipping) and weld them together to make the 24 feet.  I
>>am not a big fan of nor do I know how to weld anything short of a resistor
>>to a circuit board.
>>
>>Anyone have any suggestions for a substitute at about a 24 foot length? I am
>>stacking the following:
>>
>>2M/440 vertical
>>19 element 440 beam
>>20 element 2 meter twist antenna (10 vertical and 10 horizontal)
>>5 elements on 6 meters
>>A4S tribander
>>
>>in that order top to bottom.  Yep it is going to be tight and the first 10
>>feet of the mast will be inside the tower
>>
>>2 inch OD seems to be the biggest I can go given the size of the thrust
>>bearing (TB-3) on the tower.
>>
>>thanks
>>
>>73
>>
>>Thom WI8W
>>
>>
>>
>>
>>---
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To: <towertalk@contesting.com>
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>>_______________________________________________
>>
>>See: <http://www.mscomputer.com/>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.
> 
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> 
> _______________________________________________
> 
> 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.
> 
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