[s-cars] Oil Vapour Catch Cans - Any recommendations

[James Murray (QA/EMC)]

Sounds very interesting Brian... was thinking about this last night, thanks for clearing my head of work ;-) from what I've seen/read of Trevor's work I'm sure it's top notch... however I must ask, is there enough air flow (pressure) to create a "centrifugal" force? 

Dave doing some surfing last night (thank again for the distraction guys...) I came across this article in Autospeed you might find interesting: http://autospeed.drive.com.au/cms/A_1101/article.html

and here's a "aircraft" quality item, albeit very expensive: http://www.m-20turbos.com/breather.htm

This part of the web site is particularly interesting... http://www.m-20turbos.com/separator_facts.htm according to this web site "pressures coming off the crankcase could not blow out a birthday candle, much less set up a spiral flow powerful enough to sling out the oil." so perhaps Trevor's design works well not because of the centrifugal force but because it's a two stage (2 cans in one) design, which seems to be the premise for this design although with more stages...and more coin. Yes, I know... not everything you read off the web is true!

Cheers, /Jamu. 

P.S. Trevor, I cc'ed you... cause it's your design... and I didn't want your ears burning ;-)

-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com]
Sent: Tuesday, August 02, 2005 10:05 PM
To: Dave Forgie; s-car-list at audifans.com
Subject: Re: [s-cars] Oil Vapour Catch Cans - Any recommendations


Guys, guys, guys,
BTDT. These breather bottles don't work. You NEED a
centrifugal oil separator. Air/oil goes in at an angle
at the top, spins around in a double walled  cylinder,
oil drains back to the block and air goes out through
a filter or into the exhaust. Trevor Frank built one
for me. I have a CAD drawing.

Anybody willing to step up on the manufacturing
end?????

Oh, btw, it works like champ.

Lemme know
bb 

--- Dave Forgie <forgied at ae.ca> wrote:

> James:  I found the Jaz can on my first Google
> search but not that particular URL. Your link had
> some good points, e.g. oil vapour displacing air
> space (hmmm... that won't help a lean AFR though....
> hmmmmm).
> 
> Anyway,  I also found this one:
> 
>
http://www.nissansilvia.co.nz/tech/ghettocatch/ghettocatch.htm
> 
> Might be a way to go.  I am starting to think about
> using the catch can to condense the vapours but
> actually venting the treated air to the turbo
> (rather than the atmosphere).  I don't need my car
> to smell like ancient big block muscle car V8.  (Not
> that there is anything wrong with that).
> 
> Dave F.
> 
> 
> 
> >>> "James Murray (QA/EMC)"
> <james.murray at ericsson.com> 08/02/05 04:35PM >>>
> Dave, have a look at this... opinions?
> 
> http://cjsupra.kendra.com/PCV-Can.html  
> 
> /Jamu.
> 
> -----Original Message-----
> From: s-car-list-bounces at audifans.com  
> [mailto:s-car-list-bounces at audifans.com]  
> Sent: Tuesday, August 02, 2005 6:54 PM
> To: s-car-list at audifans.com  
> Subject: [s-cars] Oil Vapour Catch Cans - Any
> recommendations
> 
> 
> When I removed my Samco Michelin Man and OEM
> Intercooler for my Tom   
> Mullane/Marc Swanson FMIC installation, I was
> shocked to see a lot of oil   
> accumulated in the lower ridges of the Samco. I used
> to think it was my old
>  OEM K24 turbo was the source of the oil in the OEM
> rubber MM hose, now I   
> realize that I must have some blow by.
> 
> Not wanting to coat the inside of the new FMIC, I
> need to install a catch can.
>  I have searched with Google and found some
> commercial and home-made   
> examples. Any of you running a catch can they want
> to recommend?
> 
> Dave F.
> 
> 
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