Ducati w/TEC

[David M Parrish]

> >On another topic - at one point in this project I took a Seimens injector
> >(new) and  mounted it on a throttle body mounted to a clear tube. I then
> >attached the tube to a vacuum cleaner and attached a 40PSI clean water
> >source to the injector. Using this apparatus I could then watch the way the
> >injector atomized. I tried this with several different sized injectors,
> >different pressures, and a couple of used Bosch injectors. In every case the
> >injector emitted an incredibly squirt-gun like stream much to my suprise.

It's the water. Water has a much greater surface tension and it takes 
a MUCH greater force before it shears (i.e. as in cavitation with a 
boat prop.) than gasoline. I'm not sure which (or both) effect you 
consider with spray patterns from a nozzle.

---
David Parrish
Say it, don't spray it...