[urq] NAC: Oil level in an oil pan

[Ed Kellock]

It is true that the oil level in the sump must not touch the
crankshaft while the engine is running in order to prevent foaming of
the oil.

The more pertinent question in my mind is:  Is the oil level ever
allowed to reach the crankshaft when the engine is not running, i.e.
when all the oil that will drain back down has done so?

I would still think no, but don't really know.

Ed

On Wed, 18 Aug 2004 15:19:42 -0400,
louis-alain_richard at computerhorizons.com
<louis-alain_richard at computerhorizons.com> wrote:
> Total NAC but automotive content.
> 
> Here at work, we are creating flash animations to train mechanics. Now, we
> are working on the bottom-end module, including oil circuit, water
> cooling, etc.
> 
> In one animation, the computer graphics designer drew an engine seen from
> the rear main seal, where we can see the oil level, the crankshaft
> rotating, the oil circuit, etc.
> 
> My problem: the oil level is right to the middle of the crankshaft.
> 
> My suggestion: lower the oil level so no part of the spinning crankshaft
> will touch the oil surface.
> 
> Our problem 1 : the animation is approved by the manufacturer, and nobody
> saw a problem with the higher oil level.
> Our problem 2 : this animation is the base for many many others, and would
> need at least 2 weeks of work to correct.
> 
> My question :   - In the car world, can I say that no car engine has a
> crankshaft touching the oil surface? If you are a mechanic-gearhead-car
> guy, would this bother you?
> 
> My understanding is that such a setup would create foaming, if not destroy
> the crankshaft at higher engine speeds.
> 
> If somebody want to see one actual animation, I can forward it ( 58kB ).
> 
> Thanks in advance,
> 
> Louis-Alain
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