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From: "Steve Tyng" <SteveT44-at-comcast.net>
Subject: RE: difference between batteries [TANKS]
Date: Wed, 5 Oct 2005 07:13:32 -0400
Reply-To: tanks-at-rctankcombat.com

Richard wrote:
> whats the difference between a 12 volt SLA battery and a 12 volt sealed gel battery??
A difference in electrolyte.  You can use either type for your tank.  Functionally there's no difference between the battery types.
> and what ampage am I looking for? 7 or higher?...
The most you can fit in the tank!
> I bought a Hitec Laser 6channel transmitter that comes with an 8 channel receiver...what does this mean....
It means you have a six channel setup.  Hitec doesn't build a six channel receiver so they packaged the eight channel Rx.  Channels 7 and 8 will be inoperative on the Rx.
> BTW can anyone suggest a good/cheap ESC unit that would work with my set-up..
Good and cheap do not come to mind when talking ESC's.  If were talking proportional control, I can highly recommend the RS80D from Robot-solutions.com (I purchased mine for $275).  Peruse through the offerings at RobotMarketplace.com.  They have most of the controllers suitable for a large scale R/C tank.  Joe has some lower cost solutions at Anvilus.com that may work for you.  If your on a really tight budget you can always build yourself a Tri-Pact on/off controller for a few bucks in parts.  Most tanks in the hobby are running the Tri-Pact controller and are battling just fine.  Not sure what the instant on/off will do to the track system on your FOA though.
Steve Tyng