Topband: 3” Air Dux Coil Stock

[dj7ww at t-online.de]

Will be impossible to obtain the same inductance at Airdux 2404TL size.

73
Peter, DJ7WW


-----Original-Nachricht-----
Betreff: Re: Topband: 3” Air Dux Coil Stock
Datum: 2024-08-17T17:36:50+0200
Von: "VE6WZ_Steve" <ve6wz at shaw.ca>
An: "Bill Eisinger" <Bill at theeisingers.com>

Buy some copper tubing and roll your own.

Steve, ve6wz.

> On Aug 17, 2024, at 9:18 AM, Bill Eisinger <Bill at theeisingers.com> wrote:
> 
> I’m working on an opportunity to purchase some Air Dux 2404TL coil stock for an antenna matching project I’m working on. 2404 is the 3” diameter , #10, 4 tpi coil that is used in a variety of matching applications including K2AV’s FCP design for an 80m match.
> 
> As far as I can tell, there is no current (or recent for that matter) retail source for this particular coil stock. Nebraska Surplus Sales, RF Parts, etc have some Air Dux in their inventory but none of this size. I’m  looking at purchasing directly from Barker & Williamson but because they are a wholesale supplier the minimum purchase will be 10 units. 
> 
> I will know the definitive price sometime next week but I thought I’d toss this out to see if there is enough interest in the group that I can take a flyer and buy 10 sections  of the coil stock…each section is 10” long and based on the last retail price I’m aware from a few years ago, I’m pretty sure they will be somewhere north of $100 per section…I’ll know how far north in a few days.
> 
> Respond back to me directly if you have any interest in obtaining a section of the coil stock and once I know the actual price we can move forward with getting some if there is enough interest.
> 
> 73’s,
> Bill, AA7X
> 
> bill at theeisingers.com
> 
> 
> 
> Sent from my iPad
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