REFLECTOR: Oil Pressure

Scott Baker sbakr at comcast.net
Fri Jul 31 11:02:19 CDT 2009


Grounds; or lack thereof.
SB

----- Original Message ----- 
From: "John Dibble" <aminetech at bluefrog.com>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Friday, July 31, 2009 10:02 AM
Subject: REFLECTOR: Oil Pressure


> At this point I'm pretty sure I do not have an oil pressure problem.  On 
> the return from
> OSH, my observant copilot noticed that every time I turned a knob the 
> pressure reading
> changed.  So I turned off my radio and the pressure went up 6 psi.  Then I 
> turned off the
> transponder and the pressure went up another 6 psi, making it 51 psig 
> which I am happy
> with.  I checked the voltage drop across the relay and it is 0.  I checked 
> the voltage
> drop between my RMI monitor ground and another ground.  I varied from 
> 0-0.02 v as I turned
> on a few things.  The monitor power voltage decreased from 12.6 by 0.1 
> volt each time I
> trurned on something.  I figure that's just the battery voltage going down 
> with increased
> load.  What do I need to be looking at?
>
> John
>
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