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Hi Ernest,
as you certainly know, I am selling the 2-stroke oil adapter for the oil metering pump. Developing this adapter I did investigate and test the pump. My finding was that it is a pump designed much like a mechanical Diesel injection pump, meaning it can produce pressure, but has absolutely no suction capability. As a result, I am asking the user in the installation guide to place the oil reservoir a minimum of 6" above the pump. There has never been a report of problems feeding the pump.
FWIW.
Richard Sohn
N2071U
----- Original Message ----- From: "Ernest Christley" <echristley@nc.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Monday, April 05, 2010 6:25 PM
Subject: [FlyRotary] Oil metering pump
Is the oil metering pump a pump? Or just a metering mechanism? I took it completely apart, and I don't see any obvious pumping mechanism. I'm looking to provide an alternate source to feed the pump. Do I have to insure there is a head feeding into the pump, or will it be able to suck 2-cycle oil?
-- Ernest Christley
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