An electronic fuse Jeff ?
Might give a bit additional losses, but guess its worth while to think it
over .
Jos on4kj
----- Original Message -----
From: "Jeffrey Madore" <K1LE@arrl.net>
To: "AMPS" <amps@contesting.com>
Sent: Saturday, August 02, 2003 7:58 PM
Subject: Re: [Amps] Mobile wiring
> In my experience, 50 or 60 amps should not cause a magnetic/mechanical
> problem with proper sized cables. I admit to over-killing things a bit,
but
> I like #2 welding cable. The run is short so the cost is minimal. It's
very
> flexible and conforms and seals nicely to firewall grommets. And, as I
> mentioned before, a back-up battery-to-ground connection with the same
> cable, greatly reduces the possibility of the feared "loss of ground"
> scenario.
>
> When the supply is only 12 to 14 volts, it's nice to measure roughly that
at
> the load, under load.
>
> I find that with my Icom radios, at 100 watts out, using the factory cable
> only, I lose about 1.5 volts in the cable with a 13.8 volt supply. Under
> continuous duty the fuse holders get noticeably warm to touch when I get
> long winded. Pinching the inner fuse clip for a bit tighter grip on the
fuse
> makes little difference. Does anyone have any comments here? Wouldn't
> better regulation make for a cleaner signal?
>
> 73,
> Jeff - K1LE - CT ><>
>
>
> ----- Original Message -----
> From: "on4kj" <on4kj@skynet.be>
> To: "AA6DX" <aa6dx@pacbell.net>; "AMPS" <amps@contesting.com>
> Sent: Thursday, July 31, 2003 3:12 PM
> Subject: Re: [Amps] Mobile wiring
>
>
> > What is the meaning or raison having that much power in mobil on VHF/UHF
?
> > 13v8 and a 100Amps flowing in the feed cable, produces nearly enough
> > magnetic field to the needs of a minesweeper sweeping some magnetic
mines.
> I
> > just imagine your (steel) tools dancing around on the rythm of some CW
or
> > SSB sigs near the feed cables. How many fuses will blow in other low
> > current circuit in your vehicule, etc......etc....etc
> > Or, should modern amps create less magnetic field then the old ones I
> used
> > ten years ago ?
> >
> > Have fun with this magnetic dance...
> >
> > Jos on4kj
>
>
>
> ---
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>
> ----- Original Message -----
> From: "on4kj" <on4kj@skynet.be>
> To: "AA6DX" <aa6dx@pacbell.net>; "AMPS" <amps@contesting.com>
> Sent: Thursday, July 31, 2003 3:12 PM
> Subject: Re: [Amps] Mobile wiring
>
>
> > What is the meaning or raison having that much power in mobil on VHF/UHF
?
> > 13v8 and a 100Amps flowing in the feed cable, produces nearly enough
> > magnetic field to the needs of a minesweeper sweeping some magnetic
mines.
> I
> > just imagine your (steel) tools dancing around on the rythm of some CW
or
> > SSB sigs near the feed cables. How many fuses will blow in other low
> > current circuit in your vehicule, etc......etc....etc
> > Or, should modern amps create less magnetic field then the old ones I
> used
> > ten years ago ?
> >
> > Have fun with this magnetic dance...
> >
> > Jos on4kj
>
>
>
> ---
> Outgoing mail is certified Virus Free.
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To: <amps@contesting.com>
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