Well, tonight I was cleaning up the wiring in the Sturmtiger and getting her
ready for the weekend Tank Expo at Ft. Snelling.  Ran into some really
strange issues.  The first being that when I would fire the marker, my
traverse motor would jump.  Only in one direction.  The switches were
mounted right next to each other and installed so that I could kill the 12V
power in one fell swoop.  That switch fed the trigger switch.  I designed it
that way so I could disable the marker, but still use the turret traverse.
To fix that problem, I remounted the traverse switch on the other side of
the tank and put as much separation between the wires as I could.  I even
ran two separate leads from the secondary 12V battery I installed to run the
Vantec RET411 speed controller attached to the traverse motor and the 12V
door lock actuator thinking I was getting an induced current in the traverse
motor lead when the marker was triggered.  But none of that stuff fixed the
problem.  After messing with that for quite sometime I said to myself, I'll
fix it later.  I then reconnected the speed controllers to go for a test
drive.  Hmmm....only one track moving.  Found that one of my cables wasn't
seated.  I thought, problem solved.  Then I got no response from either
speed controller and they were blinking like they had no signal.  I looked
at the IMX track mixer and the light was off.   I thought it was toast until
I moved the traverse and elevation on the gun and it sprung to life.  Then I
moved the elevation again and it died again.  Long story short, it looks
like the CS80 1/4 scale servo is drawing so much power that it's taking it
away from the mixer.  When I unplug the CS80, all is well.  Plug it back in
and the problems come back.  I then put fresher batteries in it and it made
the situation better.  I'm thinking that I need fresh batteries to resolve
the issue completely.  With the fresher batteries, the traverse motor
jumping occurances lessened when I triggered the marker.  My volt meter
shows the batteries putting out 6.2V.  I guess my question would be, has
anyone used a larger battery pack for their reciever when using these large
1/4 scale servos?  I know I can't increase the voltage without blowing the
reciever, but what about mounting another 6V pack in parallel to accomidate
the current draw?  I guess another option would be to get a 12V to 6V
regulator to run the reciever.  Any thoughts?  I'm using a Spektrum DX6
radio with BR6000 reciever.

Derek
T065

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