807 = vacuum tube = WW2 transmitting Beam tetrode. You could try a Nuvistor
73, Dave G3WCB IO91RM
From: [email protected]
[mailto:[email protected]]On Behalf Of Scott Tilley
Sent: 11 February 2007 23:54
To: [email protected]
Subject: Re: LF: Re: Re: TIL Grabber back online...
Alan Melia wrote:
> If you try to charge an SLA at 17volts you will quickly knacker it. The
> charger needs to be regulated to 2.25v per cell for continuous charging,
> about 13.5v. You only need 17 volts it you have volts of BC station at the
> antenna. Scott should really use an 807 !!
> ----- Original Message -----
> From: J. B. Weazle McCreath <[email protected]>
> To: <[email protected]>
> Sent: 11 February 2007 21:34
> Subject: LF: Re: TIL Grabber back online...
>> Hi Scott, LFers,
>> That's good news about the mini-whip power. I intend to put mine
>> out in the back field, well clear of everything, and to power it from
>> a sealed battery pack with a small solar panel to keep it charged.
>> Since most panels put out around 17-18 volts if not regulated, it
>> would seem that I've hit upon a lucky break for once!
>> 73, J.B., VE3EAR - VE3WZL
>> Solar and wind powered
>> Lowfer " EAR" 188.830