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Dave,
When I did the water pump tests, I found that a little air in the vicinity
of the pump causes it to not work, doesn't take much. As you are running at
the lower rpm, if there is circulation, then you bump it to a higher rpm,
you could displace some air from the rest of the system, andit will lodge in
the pump, causing it to shut down. If you can pressurize your system
externally, you might find this minimized.
Otherwise, keep burping the system, and try to ensure no air near the pump
impeller.
Bill Schertz
KIS Cruiser # 4045
----- Original Message ----- From: "Eric Ruttan" <ericruttan@chartermi.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Sunday, March 28, 2004 4:57 PM
Subject: [FlyRotary] Re: One step forward and .9 steps back.
Dear Dave
I suggest that it is the pump. If you can get a flow meter that will
really
help.
I would bet the pump is cavatating at the highter RPM. Without the
thermostat it cant build pressure to over come the cavatation tendancy.
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