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1. 06:49 AM - Re: Re: Oil capacity (manuel weber)
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| Subject: | Re: Oil capacity |
I have noticed a couple of comments about oil being in the gear case. Just wanted
to mention that even with 12 quarts in the sump, there will be no oil residing
in the accessory case where any of the geartrain is sitting in oil, even
on tail dragger aircraft. None of the gears are exposed to any oil as part of
the reservoir. These gears are lubricated by a couple of oil pressure ports
for the idler gears and from oil that is pressurized and squeezes past the cam
and crank bearing journals
Jim,
I note that you have a Rocket and therefore the engine will be
operating nose-high on the ground. I'm not sure what effect that
has, but it would put more oil in the gearcase. Also, as I recall,
the Christen inverted system uses the oil reservoir as an oil
separator with the crankcase vent line being plumbed into it and
therefore I wold expect not much oil would remain with the blowby.
Someone report essentially no oil out the breather with such a
system. Not true? I'm certainly not an inverted system expert.
Gary
Previous post:
I just finished the 40 hour test period and the engine is broken in
as
evidenced by the lower CHTs and EGTs. My first flight I started with
12
quarts, after shutdown, I had 8. The rest of it was apparently
dumped
as my rudder was covered in clean oil.
Since then, it seems that anything over 8.5 qts or so, I loose
it. I
just find it odd that the dipstick calls for 12 quarts and I can't
come
close to that amount. I have heard from several others fellows now
and
the concensis seems to be, 8 quarts is ok.
Thanks,
Jim
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