My 4.8V ZZMT
 

These are some short videos of my quad cell ZZMT with orange gears and a 9 tooth pinion. There is also a switch on it that changes the battery pack configuration between parallel and series. This makes it able to still be charged on a stock remote (I charge it with 3 cycles).

http://www.youtube.com/watch?v=cTrAWIJZ0N4

http://www.youtube.com/watch?v=VEONUw9kXQU

http://www.youtube.com/watch?v=lIx3uKMM7bo

The last one has a good surprise ending.

lol! Man that MT looks like a hummingbird with fatty wheels! :-)

i like that last one the best.:D :D :D :D :D :D lol