Yes if memory serves, Barry's sensors are the sensor/spark plug type.
This is awesome data, and could lead to some very neat results. Its just a pity that all of this data is essentially going to be setting up a bench mark being that no one's really looked at this - in the capacity of the end user - before.
Barry, have you done any comparisons yet between pressures with and without water? Can't recall if I brought that up at deals gap.....
