[Antennas] Roller inductor wire size
Don Havlicek
[email protected]
2002年3月20日 18:12:30 -0500
How about winding your own inductor out of copper tubing? Perhaps 1/8"
or 3/16" would give you 'enough size' to handle that 1.5 Kw.
Once wound, copper tubing holds it's shape well, and soldering taps to
it is quite easy, especially using a small butane torch.
Don - N8DE
"Steve L." wrote:
>> Greetings
>> I'm building a T-type transmatch with a roller
> inductor. Previously my amp was an SB220 so 1KW rating
> was fine - I only get 750W out on 10m. I have an Alpha
> 99 coming so I need to handle 1500W for sure. Two of
> my transmatches are probably iffy for 1500, one is
> good for 3KW (not homebrew).
>> I have a B&W 3853 roller inductor in unused condition,
> but the wire measures about .050" diameter, 16AWG.
> It's silver plated wire but really it looks too small.
>> So, opinions on 16AWG roller inductor for 1500W T-type
> transmatch? Too small? I was thinking 14AWG as the
> minimum? Anyone know the published rating for this
> inductor?
>> I happen to have two brand new 17-position wafer
> switches that would switch a tapped inductor
> perfectly, probably good for 3KW easily... any advice
> on what fixed inductor to buy if I go this way? I've
> had good luck with a stepped inductor, don't really
> have to go w/ a roller.
>> 73, Steve N4SL Machias, WA CN88xa
>> __________________________________________________
> Do You Yahoo!?
> Yahoo! Movies - coverage of the 74th Academy Awards�
> http://movies.yahoo.com/
> - - -
>> Your moderator for this list is:
> Larry Wilson KE1HZ [email protected]
> _______________________________________________
> Antennas mailing list
> [email protected]
> http://mailman.qth.net/mailman/listinfo/antennas