I have quite a monster motor for a mini-hover craft. It requires quite much power. As a motor driver, i'm using a L298. The problem is it's output limited 2A, according to datasheet, while the driving voltage can be up to 50V. I'm using a 12V 6A lead-acid battery. When I turn it on, it turns a very little angle, but not enough to beat the first bump. I wind it by hand, it starts turning like mad, I let it go for a few seconds, and the resistor connected to L298's current sensing (which was about a few ohms) gets very hot, and it stinks. Plus L298 get very very hot! I tried to lower the current by connecting a resistor that is a few megaohms, but then motor didn't work anymore. I came up with a solution, but i'm not sure if it's gonna work. I'm planning to connect a higher voltage battery (such as 40V) and lower the currect by connecting a huge resistor to current sensing pin. In hopes that L298 won't get so hot and motor will run. Do you think it's going to work? Any other solutions?