REFLECTOR: Blow by

[Douglas Holub]

The guy that built my IOX-360 told me the same thing. He said that 6 quarts 
was plenty, and that a Lycoming engine is tested for FAA certification 
running with only 2 quarts of oil.
----- Original Message ----- 
From: "Stockman, Bill" <bill.stockman at daytonaero.com>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Saturday, March 10, 2012 7:13 PM
Subject: Re: REFLECTOR: Blow by


I've got over 800 hours on my current IO-360C1C with good compressions.   I 
also  have dual oil coolers in the nose.     I normally keep my oil at the 
5.5 to 6 qt point on the stick.   Anything above 6 seems to magically depart 
the aircraft after an hour or so.
Many years ago on my first long cross country, I was a little nervous so 
filled it up to the 8 quart point on the stick.      4.5 hours later it was 
down to around 6.   I was concerned that I was burning oil.    Everyone said 
don't worry.   On the way back I took off
at 6 quarts and 4.5 hrs later it was still at about 6 quarts.       As you 
probably already know, our systems carry a lot more oil than the six quarts 
indicated by the stick.
________________________________________
From: reflector-bounces at tvbf.org [reflector-bounces at tvbf.org] On Behalf Of 
Lou Stedman [stedmanlou at roadrunner.com]
Sent: Saturday, March 10, 2012 12:01 PM
To: Velocity Reflector; Canard Aviators
Subject: REFLECTOR: Blow by

Last week we were discussing the amount of oil different engines burn in a 
given time. I mentioned that I do not fill up my crankcase because the first 
quart will blow out within an hour if I do that . However if I fill to six 
quarts I don’t go through another quart for about four to five hours. After 
that I got a note from someone that I should not do as I described as it is 
a indication that there is a blow by problem with my engine (Lyc IO-360). If 
this is true, what is the cause of blow by?

Lou Stedman
Velocity SEFG
N7044Q
Olean, NY
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