I've only had success in them by riding from the front. Does mean that you are gassed by the end.
It's not really feasible in A's though, unless you are Tony Martin. I think the longest I lasted riding on the front in an A race was about 7 laps.. and then the lights went out. Out the back in 20m.
Dan
@Señor_Bear
Devils night yesterday at MNRT. I'm shit at the devil.