Go with whatever combination gives you the most amp-hours for your chosen voltage. If going with multiple smaller batteries, I suggest building battery packs so that the same batteries are always used and charged together.
Steve Tyng On Mar 27, 8:27 pm, [email protected] wrote: > i was looking at batteries again for the Tiger, saw a few of interest and > then noted their sizes. this morning i went and took some 1.5" pink foam > board and made some battery mock-ups to try out in the current tank's hull. > > i made 3 different sizes, a set of each. > > Battery 1 - can fit 2 > 12 volt 18 amp > 14 lbs > 7-1/4" x 7" x 3-1/4" > $26.00 > > Battery 2 - can fit 4 to 6 > 12 volt 12 amp > 9 lbs. > 6" x 4" x 3-3/4" > $27.00 > > Battery 3 - can fit 4 to 6 > 12 volt 10 amp > 6 lbs. > 6" x 2-3/4" x 3-3/4" > $25.00 > > so far i am leaning towards battery 2 because if i go with 4 of them, it > will give me 24 amp @ 36 pounds were as battery 1 will only give me 18 amps @ > 28 pounds, but i pick up 8 pounds (doesn't sound like much, but once the > batteries starts to die out, those pounds will start to count - at least > that's my thinking), but if i go with battery 3, i will have 20 amps @ 24 > pounds ........ battery 3 is starting to look pretty good now > > bat 1 - 18 amps @ 28 pounds > > bat 2 - 24 amp @ 36 pounds (4 bat) > 36 amp @ 54 pounds (6 bat) > > bat 3 - 20 amps @ 24 pounds (4 bat) > 30 amps @ 36 pounds (6 bat) > > crap, now i'l starting to lean towards battery 3 > > any of this make any sense to anyone in here besides possibly me? > > so, when is it too much? as far as i recall, i think on average most > tankers use 24 volt 18 amps (or there about's) if i'm not mistaken > > here is this fist picture is the mock-ups for the two 12 volt, 18 amp > batteries > > this picture shows 4 mock-up batteries > > this picture shows how i can stuff up to 6 batteries in the hull (and yes, > i know there are only 4 showing, but you can easily see how 6 could fit in > there) > > Chris, > _Odyssey Slipways_ (http://hometown.aol.com/odysseyslipways/index.html) > > Picture%20005.jpg > 78KViewDownload > > Picture%20004.jpg > 85KViewDownload > > Picture%20001.jpg > 87KViewDownload -- You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to [email protected] To unsubscribe, send email to [email protected] Visit the group at http://groups.google.com/group/rctankcombat
