Need to test injectors

[steve ravet]

> Greetings Bill,
> 
> > I have made a fixture to test some injectors on the bench.  An
> > injector is mounted in a glass fixture so I can see the flow and
> > also measure the quantity output over time.
> 
> Neat undertaking you have made there :)
> 
> > My question to everyone:  I hesitate to use gasoline for safety
> > reasons. Does anyone have any ideas as what liquid I can use that
> > will still be compatible with the injectors and fuel pump, yet not
> > "explode" should some accident occur?  I'm sure there must be
> > businesses out there that have injector flow benches and I'm
> > curious as to what they use.
> 
> Gasoline is probably the best choice to use, since obviously its the
> fuel you shall be running, you can measure the spray diameter and
> other parameters.   I would place your glass fixture outside your
> garage where "free air" can get in to keep a buildup of fuel vapor
> from collecting, which in turn, might explode.

Another problem you'll have (according the the previously mentioned 
performance engineering article) is evaporation.  Enough gas will 
evaporate to throw off your quantity measurement over time.

--steve