AVR-Chat

At 05:19 PM 12/14/2007 -0500, David VanHorn wrote:
> > It should be able to.  The Optima battery that I will be using is a 
> starting
> > type of battery, not a deep cycle, with a CCA (cold cranking amps) of 
> 1100 A
> > (model D31T).
>
>Right, but I'm sure there's a finite time limit to that.

Absolutely it's a power rating, not an energy rating.  Batteries so rated 
are optimized for short bursts not continuous use.  Deep cycle batteries 
are optimized differently


>http://en.wikipedia.org/wiki/Car_battery    Wikipedia says it's 30 seconds.
>
>
> > In practice, operation of a thruster is usually bursts of power lasting
> > 10-30 seconds.    Periods of minutes are very unusual.but can occur.
>
>Well, it looks wimpy to me, but if the thruster guys say it's ok, then
>I guess....
>I've never played with a thruster before.

Agreed,  Quite frankly the setup looks seriously undersized to me.

What is battery lifetime like?

Robert

Another sign of the end of civilization, our technical magazines are 
getting chatty
 From an EETimes product descriptions 2006/08/09
".... systems that can sample gobs of inputs simultaneously"
Now just what is the technical definition for gobs again?
http://www.aeolusdevelopment.com/