I would just like to point out quite a few errors that are killing me in this topic.
RPM
Rotations
Per
Minute
That is one preeeeeeeeeeeeeeeeeeeeeetty fast spinning rocket, but thats not going to help anything if its going at 2 Miles Per Hour (MPH).
That gun can make a tank dissapear in seconds.
Generally, you don't try to completely incinerate the tank. That's almost completely impossible. Normally, you try to kill the people inside inside the tank. This is done by either shooting through the
2-3 inch thick armor
with your

that shoots

.
Or you just burn them alive with a flamethrower or rocket.