From: Patrick Jankowiak (recycler@swbell.net)
Date: Fri Mar 24 2006 - 21:24:48 PST
how long are the #22 wires? think 'short' pulses. maybe only 10A.. time to
dig out the scope and current probe, it is all very interesting.
PJ
Glen Closson wrote:
> Hi Patrick,
> I agree with you that lengthing the leads on a pulse-related device may
> reduce the effectiveness.
>
> However, if the pulse has long rise and fall times, there will be very
> little high-frequency energy.
>
> Also, the ~22AWG wires on mine will not support 20-50 amps, they will act
> more like a fuse at that current. And to get that kind of current off a
> small solar powered device, it would take a long time to store it in order
> to blast the battery.
>
> One of these days I'll connect a scope to mine and see what really (if
> anything) comes out of it.
>
>
> Regards,
>
> Glen
>
> "Chance favors the prepared mind." ~ Louis Pasteur
>
>
> -----Original Message-----
> From: Military Vehicles Mailing List [mailto:mil-veh@mil-veh.org] On Behalf
> Of Patrick Jankowiak
> Sent: Friday, March 24, 2006 6:13 PM
> To: Military Vehicles Mailing List
> Subject: Re: [MV] Solargizers
>
> The reason not to alter the wiring is simple. The warning is generic for the
> public so that they do not call pulse and ask all kinds of silly questions
> of their engineers.
>
> The unit works as we know by causing a specific kind of pulse to be applied
> to the battery.
>
> Lengthening the leads appreciably can reduce the amount of 'high frequency'
> energy and alter the waveform of the pulse reaching the battery because of
> increased inductance of the wires and/or increased capacitance along the
> wiring path if it is long enough or has enough bends. The battery is an
> important part of the circuit as well, unlike a simple load like a light
> bulb.
>
> Lengthening the leads with small, or even the same size, wire can decrease
> the amount of current through the battery during the pulse due to additional
> impedance now in series with the unit. A poor soldering job (or wire
> nuts/crimp connections) causes unwanted extra resistance. If I am not
> mistaken the battery maintainers of this type cause very short 20-50 amp
> pulses with low rise and fall times. It's like hitting the crud with an
> electric jackhammer. If you only tap the crud, it does not come off. you
> have to smack it but good. Additionally, it is possible that if you string
> the wires out 15 feet, the unit might generate unwanted electrical noise.
> Therefore do not alter the wires to the battery unless you know exactly what
> you are doing. And they won't tell you what you are doing, betcha.
>
> Find me the patent number(s) and I can probably tell more.
>
> PJ
>
>
>
> Bruce C. Beattie wrote:
>
>
>>Hi Henry,
>> The ones from Gene were 24 volt solargizers witch spanned two
>>batteries connected in series, If I remember right. The instructions
>>that came with them made a big point of not altering the leads between
>>the control cube and the batteries. Although you could do all the
>>splicing you wanted between the cube and the solar collector.
>>
>>Bassed on that, I would be hesitant to alter that configuration
>>without first checking with the manufacturer to find out what the
>>critical parameters were. Ofcourse you may run into the whole thing
>>where they want you to buy more solargizers, so they say you can't
>>make alterations. But I think in this case there is probably a
>>legitament reason for not altering the configuration.
>>
>>Bruce
>>ygmir wrote:
>>
>>
>>>Hi all,
>>>I'm wondering if I can use the wonderful Solagizers I got from Gene,
>>>to maintain more than one battery at a time, if they are wired
>>>parallel, so they are still 12V?
>>>If so, would I hook the positive to the pos. on the first battery,
>>>and the neg. to the last?
>>>And, do they work/are they necessary, on gel batteries?
>>>Making sure MV content is here:
>>>I'd sure like to keep these batteries ready to start my MV's...........
>>>Also, how do you tell if they are 12 or 24V? I know they are supposed
>>>to sense the voltage, but, it says you can get models for each. Is it
>>>the size of the solar panel?
>>>Thanks,
>>>Henry
>>>
>
>
>
>
This archive was generated by hypermail 2.1.4 : Tue Jul 18 2006 - 21:42:45 PDT