Sailing fast on a Mumm 36

Was out racing on the Chesapeake Bay last week on a friends Mumm 36 (Cheetah).  Wind was up and blowing from the north, which made for an excellent 20 mile downhill ride.  This Mumm has been modified with a big wheel and an asym with a giant sprit.  Was super fun to sail in these conditions.  We were doing 12-14kts most of the time.  Here I am at the helm: