[mowbot] batteries

DON AUTRY (Don.L.Autry nospam at msfc.nasa.gov)
25 Oct 1996 16:07:17 -0500

motorcycle (6 or 12 volt, comes either way) lawn mower, and other fluid
based batteries are cheap and okay for developement testing, but they have
a lousy recharge rate. typically overnight recharging required and they
probably won't keep our bots going much longer than nicad or nimh. The
nicad batteries are not that terribly expensive when purchased from the
right sources. Packs of them can also be hooked up in parrallel to increase
the power capacity as needed.

Also, one quick question to you E.E. types. What does stall amps on a motor
mean, it this the amount of current it takes to get the motor started?
8 amps is a lot of amps to start a motor. I know it took about 3.5 to four
to get my little motor spinning, but then it would stop at about a half a