REFLECTOR: Franklin Oil temp and flow data
Nate Jackson
nate_jackson_pdx at msn.com
Sun Nov 10 20:37:19 CST 2013
Hi Brian,
My Franklin seems to behaving the same way... after 250 plus hours.
The spring thing doesn't appear to be working.
it's very common for my oil temp to settle down after 5-15 miuntes depending on the flight.
Nate
172RG Franklin
Date: Sun, 10 Nov 2013 20:19:08 -0600
From: michalk at awpi.com
To: reflector at tvbf.org
Subject: REFLECTOR: Franklin Oil temp and flow data
Okay, I'm going to channel Larry Coen, and the Franklin threads that
go *WAY* back.
Today the stars aligned and I was able to measure oil flow through
the oil coolers.
Oil flow (blue) max is 3.5 GPM using a book calibration factor.
RPM (green) is divided by 10.
Pressures (red and orange) are in PSI
Coolant temp (brown) is more like block temperature (uncalibrated).
I put a sensor in an oil plug hole.
It was about 70F today, not that cold. The oil flow is just very
strange. It didn't start flowing until nine minutes into the
flight, and I don't think it's a sensor problem because the coolant
temp leveled off after it started flowing. If this data is correct,
I'm not getting enough oil through my cooler. The specs on the
cooler are for 7gpm, and I'm barely half there. Yes, I'm having
high oil temp problems.
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