Originally Posted by flieslikeabeagl
Due to the poor efficiency of the stock motors, the actual power making it to the props at WOT will be only 45% of 168 W, or about 75W. The 400XT's run at about 75% efficiency WOT, so 75% of 200 W will make it to the props - that's 150W, or 200% more than the stock setup!
It starts getting annoying. How often do you need to be reminded, that in normal cruise, the stock motors of the Twin Star II run at close to 70% efficiency. The worst case scenario with only 45% efficiency (static condition) will only last seconds.