REFLECTOR: excessive oil overboard

[Richard Riley]

Others have asked how much is "excessive."  My question is - has it 
suddenly increased?

If so, check your compression.

At 08:19 AM 6/12/05, you wrote:
>No, it is not in a  velocity, but I thought the data might be relevant.
>
>Joel
>
>Scott Derrick wrote:
>
>>Joel,
>>
>>this TSIO520 in a Velocity?
>>
>>Scott
>>
>>Joel Smith wrote:
>>
>>>What is excessive?
>>>
>>>How do you operate your normalized 550? I am not to familiar with the 
>>>normalized 550.
>>>
>>>I have  a TIO-520R. I think it has excessive oil overboard, but to give 
>>>you an idea, I occassionly have to add a quart in 25-30 hrs, then I 
>>>change it. I have met folks that think this is good. It holds 10 qts, I 
>>>fill it to 8 qts and add one if it goes to 7. If I fill to 10 qts, it 
>>>seems to blow it overboard quickly. I am able to maintain good CHTs so I 
>>>am not to worried about my reserve oil cooling capacity. My oil temp 
>>>stays in check. I would not recommend less than the specified amount of 
>>>oil if the temps are high.
>>>
>>>My operation is as follows:
>>>Take-off, 2700 rpm, manifold pressure 36.5", fuel flow 195-220 pounds 
>>>per hour
>>>Climb (100%), 2500 rpm, manifold pressure 30", fuel flow 120 pph
>>>Cruise, 2300 rpm, mp 30", ff  82-85 pph
>>>
>>>I realize that normalized that your mp will not exceed 30", 2500/30 is 
>>>100% for my engine.
>>>
>>>These are some data points that may or may not help. The 550 may be 
>>>totally different...
>>>
>>>Joel
>>>
>>>RICHARD J VANDERSTEEN wrote:
>>>
>>>>Any body have any idea about excessive oil overboard
>>>>crankcase vent?
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>>>
>>>
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>
>
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