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Good question, Bobby
To answer it, no I did not have a problem – however, that is likely because
I had read of the problem that several folks have had if there were an air leak
in the oil pickup line – air apparently suck much easier than oil {  ).
So I used the stock flat seal between the plate and the oil pickup fitting
on the inside. Then through a hole in the plate, I inserted the pickup
tube (aluminum – 1/2” dia as best I recall )– whatever the largest diameter that
would fit inside the oil pickup hole. Then on the outside of the plate I
had a fitting (3/16” thick – I think) that had a 1/2” dia hole in it – through
which the tube ran. The plate and this fitting used the two stock oil
pickup bolt holes (so you need two holes in the plate for them) to hold this
fitting. On the underside of the fitting facing the plate I used a large
drill to make the area around the tube hole concave. Into this I selected
a fuel resistance “O” ring that was large enough to be compressed against the
tube and the plate when I tighten the bolts.
That is the method I used, but there may well be better methods – it worked
for me for over 400 hours
Ed
Sent: Tuesday, May 12, 2015 3:39 PM
Subject: [FlyRotary] Re: Questions for Ed Anderson- Plugs UP Oil
System
Thanks Ed. The standoff is not
visible in the picture but I had guessed you did something similar. Any
issues with sealing the oil pickup tube to the block off plate and front
iron?
Bobby
From: Rotary motors in
aircraft [mailto:flyrotary@lancaironline.net]
Sent: Tuesday, May 12,
2015 3:23 PM
To: Rotary motors in aircraft
Subject:
[FlyRotary] Re: Questions for Ed Anderson- Plugs UP Oil
System
I
believe the things you have the arrows pointing to are triangular shaped braces
that support the oil sump to the oil pan. The are welded to top of sump
and plate.
To
access the bolts in the area of the sump, I stood the 4”x 4” tubing I used for
the sump off from the pan about 1 – 1 1/2”. I did this by using a 1” x 1
1/2” rectangular tube (its end’s plugged) welded to both the plate and the
sump. Then 3/4” dia (I think around 6 holes) holes were drilled
through plate, standoff and sump for the oil to return to the sump – probably
best to drill holes before welding components together, but they can be drilled
from the inside plate side – just make sure you get all shavings out. This
stand-off also gave you access to around 3-4 pan bolts. Depending on your
set up these may or may not be a pain to unscrew, but it can be
done.
The
round tall blue tube served as oil fill tube and dip stick tube. It was threaded
internally at the top and a threaded plug with a hole drilled in it for the dip
stick was used.
The
aluminum tubes were coolant (front) and air/oil separator (which I took off
after two years of flying with it and it collecting no oil, because the rotary
simply was not spitting any out.
Sent:
Tuesday, May 12, 2015 2:57 PM
Subject:
[FlyRotary] Questions for Ed Anderson- Plugs UP Oil
System
Ed,
I have a couple of question about
your plug up installation. How do you access the oil pan bolts located behind
the oil reservoir and allow for oil drain back? Also I see what looks like an
additional tube (black arrow) in the attached photo. Can’t figure out what it’s
for. Is it a support bracket?
Thanks,
Bobby Hughes
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