REFLECTOR: excessive oil overboard

[Joel Smith]

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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