----- Original Message -----
Sent: Friday, October 02, 2009 5:21
PM
Subject: [FlyRotary] Good, bad news...too
much oil pressure somewhere
As loyal readers may
recall I have been concerned about oil seeping/leaking out from around my oil
filter seal on my remotlely mounted oil filter. I have replaced the
remote mount and tried 4 different K&N filters and an STP filter to no
avail.
Well, in the tradition of test it til it
breaks, after focusing on some other tasks today, I cranked up the engine one
last time to see if my "task" had screwed anyting up. Since is was a
coooool 85 degress and my oil temps were showing about low after start up, I
figured I would go WOT and see how long it would take to get to 210....uh,
pretty quick for those curious (even though I can idle at 1400 - 1700 dang
near all day). I looked to the engine and could see the small drip marks
of the oil leak, continued at full throttle for a few more seconds and shut
down. I got out of the plane and saw a huge puddle of oil where the
small amount had been. Upon closer examination, oil was all over the
bottom of the engine and I had a nicely oiled prop (pusher Velocity).
Almost immediatly I noticed one of my heavy duty Aeroquip oil lines had
burst. Hmmmmm, the Oil Pressure reading never went over 75 and was
around 35 when idle (as a matter of fact, at idle, it
is usualy around 30). I belive these reading to be in the
normal ranges.
Anyway, I have plans tonight so I
had to push the bird back into the hangar and think about things.
As suspected, the seeping remote mount was a mere symptom. Now to
determine what was causing the apparantly high pressure near the remote mount
and the burst hose. The lines are fed to the mount correctly, but I
shall check again. Y'all's thougts are appreciated and
sought.
On a better note, after fighting some
electrical issues, esp with my coils, I kept getting inconsistant reading
on the multimeter when using the Mazda coil harness. I finely gave
in and cut it to pieces and wired it direclty using just the
connectors into the coil and eleminating the plut into the old
harnes by directly soldering the wires. This seems to have solved
the problem. It is great to turn off secondary,
primary/coils, injectors in various patterns and the engine still run as
expected. Now, I am convinced that the rotary can run, if poorly,
on ONE coil as it may do if someone forgot to reattach the
leading coil spark plug wire on rotar one......don't ask how I know
<g>.
Well I am off to a fine dining
experience...or so I hope. Great to comtemplate tomorrows
activity.
Thanks for your
attention.
All the best,
Chris Barber
Houston
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