Thread: pre-oilers
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Old January 10th 06, 03:26 PM posted to rec.aviation.owning
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Default pre-oilers

George Patterson writes:

wrote:


methinks the "splash" is going to occur sooner after the start if the
engine is pressure pre-oiled.


Why? The "splash" comes from the crank counterweights and rod ends going through
the oil in the sump. A pre-oiler pulls oil from the sump and moves it through
the passages to make sure the journals and bearings are lubricated at start.
Seems to me that the "splash" will happen just as fast either way.


Someone speculated about a compressed air probe inserted into
dispstick that would spray the oil around. I found that an interesting
idea, one with a host of potential problems. But if it could "fog"
the lower end before cranking......

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