Re: Trash-Bot

[Rich Grise <richgrise@xxxxxxxxxxx>]

On Mon, 23 Jan 2006 13:51:06 -0800, Nehmo wrote:

>>  don't use a "car" battery. They're optimized
>> for "cold cranking amps", but not for deep discharge. Use wheelchair
>> batteries, golf cart batteries, trailer batteries, boat batteries, any
>> kind of "deep cycle" battery, but _don't_ use a car battery.
>
>   You are correct in that a deep-cycle battery is preferable to a "car"
> battery, which are optimized for the quick discharge.
> http://auto.howstuffworks.com/question219.htm . But the demands are low
> in this situation, so the choice isn't critical. A cheaper 12 V
> lead-acid battery of almost any type would do.
>
> I chose 12 V because there are plenty of really-available components
> that work at that voltage.
>
>> I'm curious - is this a one-off for home use, or are you talking about
>> fielding an actual product for market?
>
>    I basically want to make a working thing, and I'm in the design &
> engineering phase. I can assess market potential after I have a working
> prototype. I'm not concentrating on that now. For now, I'm working with
> the concept that this is a one-off project.

If you've got the bucks, just use a wheelchair undercarriage. Figure out
how to interface an ordinary RC controller box, and you're done. ;-)

Good Luck!
Rich