Dear Rune;
I am using the Dualsky XM6355DA since one year ago, it has 250 flights and I am very satisfied, now I am testing the new Dualsky XC9036HV controller with proportional brake for F3A and it is look it can work. If you need more information about Dualsky motor take a look at;
http://www.rcuniverse.com/forum/m_10659779/tm.htm
Best Regards.