Mailing List lml@lancaironline.net Message #50061
From: Steve Colwell <mcmess1919@yahoo.com>
Sender: <marv@lancaironline.net>
Subject: water in the oil sump
Date: Tue, 06 Jan 2009 21:22:56 -0500
To: <lml@lancaironline.net>

Colyn,

 

I am using a Lancair Brake Fluid Reservoir that looks like it holds about 3 oz.  So far my Andair Air/Oil Separator has collected almost no moisture or oil.  My 550 has about 40 hours since top (pistons, rings and hone).  Previously, you may recall I was blowing so much oil out the breather that no measurement was necessary, but that is another story. 

My Lycoming O-360 in the RV-6 with 1300 hours uses a quart of oil in 15 hours and will catch about 1.5 oz of 75% oil and 25% water in 25 hours.  Winter flying will add maybe a half oz of water for 2 oz total.

 

Steve Colwell  Legacy and a very nice RV-6 for sale   https://www.barnstormers.com/cat.php?mode=search  

 

Hi Steve,

    I do have a cooler door and was able to get oil temp over 200 on the last flight, at 12,500.  The other day I was running at 32" at 4,500 for 45 minutes and couldn't get it that high even with the cooler door closed.

 

Question for you:  how much water do you see in the catch tank and how does that compare with the amount of oil you get?  

b.t.w. how big is your catch tank?

 

Colyn

 



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