Yes, I tried the MEC 28-??-?? brushless motor, and it flew well for 2 minutes until it burned up. 350 watts was a little too much for it. MEC did refund my money though. I will probably try the mega 22/30/3 because the megas are very tough(thats the one that lasted 2 rounds, and is still going just with the wrong wind). The 22/30's might even be viable in open B. They are pricey though.