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UPDATE After some research and tests I came up with driver setup. I am going to use two L298N drivers with heatsink modification. Made some test drive and I am happy with result(it is so fast even in "low" gear :) compared with Tamiya gearbox), but I need to buy one more driver becouse second one is made by me for some testing, here is test drive photo. Will do video after eveything is more user friendly. And conclusion is that L298N can drive one 12V drill motor with gearbox + tank weight or ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/bluetooth-tank-v2