Buly;  How large is the feed tube?  You could make a simple check from a
piece of tubing with the ID the same as your tubing OD.  Drop in an old
bearing and a spring from an old light switch or something similar, place in
the discharge line.  You can always seat the ball by heating and hold it to
the tube on the seat end.  If you use clear plastic you can see it work.
JohnD
----- Original Message -----
From: "Bulent Aliev" <atlasyts@bellsouth.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Tuesday, January 23, 2007 7:33 PM
Subject: [FlyRotary] Pump

I started putting together a spray system for the radiator cooling.
Tested everything on the bench and worked very well. The ketch is
that my radiator is mounted in the lowest point of the engine room.
When the little windshield wash pump stops, the spray nozzle keeps
dripping since the lines are primed.
Unless I find or make a syphon brake, I may have to find a pump that
will brake the flow when stopped. Any ideas or suggestions?
Buly







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