I have ran a Behotec fuel pump using an Electrifly C-7 esc with good luck. The Behotec pump uses a speed 300 motor rated at 6a on 6v. Here is a list of Graupner brushed motors http://homepage.ntlworld.com/edward....s/graupner.htm They show there 6v speed 300 at 5a. Using the esc on a fuel pump getting a slow start was tricky but this shouldnt be an issue with smoke. One issue may be if the Esc has a saftey system to prevent accidental starts. On the Electrifly the throttle has to go from idle-full-idle for it to arm.

Geoff