[urq] NAC: Oil level in an oil pan

[Ingo D. Rautenberg]

Should not happen.  That's why cars nowadays have windage trays.  Don't want
oil starvation or oil foaming.  And if the crank is moving at any rate and
oil level is such that it's touching, it will foam the oil.  Not good.
That's why you're not supposed to overfill the oil!

----- Original Message ----- 
From: <Louis-Alain_Richard at computerhorizons.com>
To: <quattro at audifans.com>; <urq at audifans.com>
Cc: <Denis_Joncas at computerhorizons.com>
Sent: Wednesday, August 18, 2004 3:19 PM
Subject: [urq] NAC: Oil level in an oil pan


> 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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