Dennis,
Have you thought about using a pressure vessel.  An aluminum tank or plastic radiator tank with pressure on top of the water.  The use of CO2 cartage to charge it or even a small electrical tire pump would give you the pressure needed to shoot the water out of the nozzles.  A 1/4" mechanical valve could be used to control the flow.  Just a thought.

Bob Perkinson
RV-9

-------------- Original message from Dennis Haverlah <clouduster@austin.rr.com>: --------------


> Finn:
>
> A windshield washer may work but the mist producing spray heads I'm
> using must have 25 + psi to form a good mist. If I can't find a light
> and inexpensive pump I may go to the windshield washer - I just don't
> think they will produce enough pressure.
>
> How are you doing on your aircraft
>
> Dennis H.
>
>
> >
>
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