In a message dated 4/14/2006 4:55:07 P.M. Eastern Daylight Time,
eanderson@carolina.rr.com writes:
Sent: Friday, April 14, 2006 9:48
AM
Subject: [FlyRotary] Oil tank
My current problem: I don't want to take up
the space below the engine with the larger 13b oil pan. I was thinking
of doing something like Ed has. I can use the renesis pan as a collector
or make a blank out of aluminum, pipe the oil to a tank sitting on the side of
the engine, then plumb it back into the pump.
Ed, how does your system get the oil to the
tank? How big is the tank? How did you connect back to the
pick-up?
As always, any comments and constructive
criticism are welcome.
Chris
So long as the oil level at the top of whatever tank system you build is
the same as in the stock pan, oil pump performance would be unaffected from the
suction lift point of view.
Of course the longer the pickup the more drag and the lower the oil
pressure. A tall narrow shape is best and allows for more foam removal, and
allows better oil control in unusual attitudes. Pickup still at the very bottom
(one diameter from the bottom) of the container and shaped like a trumpet bell.
The pickup tube diameter could be slightly bigger than stock, right up to
the block.
The oil sump tank need not be rigid to the pan. So long as the flex hose
for drain oil and pickup hose are good for the temps and compatible with oil. A
screen over the drain opening into the sump if you must, but not over the end of
the pickup tube. Very bad for flow.
A piece of 4" exhaust pipe tubing might be about right for the sump. If you
want lighter, a section of an aluminum fire extinguisher bottle. The sump need
not be directly below the engine if room is lacking. If the sump were offset to
the side it might include the dipstick tube as well as the temp sender and drain
plug/valve. This might also support the change to a real oil pump at a later
time.
On my Pport engine I have a shallow flat oil pan with a separator plate
against the engine. A Pontiac pickup tube and vortex tray passes through the
front of the pan and ends in a dash AN 16 male fitting. A dash 16 line runs to
the top of the engine to the alternator location where it supplies oil to a
Weaver Brothers dry sump pressure section. Works real well.
Lynn E. Hanover