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  #1  
Old 09-02-2019, 06:20 PM
petehowell's Avatar
petehowell petehowell is offline
 
Join Date: Jan 2005
Location: MN
Posts: 2,290
Default 2200 Hour Report and Pics

Just back from Big Sky, Teddy Roosevelt NP, and Iowa Trips. Hobbs flipped over 2,200, so I dropped the oil.

Filter and screen had some carbon chunks, and the filter had just a tiny amount of fuzz attracted to a neodymium magnet.

Compressions were 77-78-77-77. Valves looked pretty good!

We are going to continue to run and watch her carefully. Local A&P says many O-320s will go 2,600 hrs+ if they get flown.

O-320/Carb/EI/Mogas/Lots of LOP

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Amateur Plane - RV-9A N789PH - 2400+ Hrs
Amateur Radio - KD0CVN
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St. Paul, MN
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  #2  
Old 09-02-2019, 07:35 PM
BillL BillL is offline
 
Join Date: Sep 2007
Location: Central IL
Posts: 5,828
Default

The combustion side is looking great, I assume the oil sample analyses remaining consistent?
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and express it in numbers, you know something about it; but when you
cannot measure it, when you cannot express it in numbers, your knowledge
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  #3  
Old 09-02-2019, 08:22 PM
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petehowell petehowell is offline
 
Join Date: Jan 2005
Location: MN
Posts: 2,290
Default Analysis

Hi Bill,

I have not pulled a sample for analysis in a bit. I will do that.
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Amateur Plane - RV-9A N789PH - 2400+ Hrs
Amateur Radio - KD0CVN
Doggies Delivered - 25+
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  #4  
Old 09-02-2019, 09:10 PM
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Vlad Vlad is offline
 
Join Date: Oct 2008
Location: Utah
Posts: 8,312
Default

Nice looking valves Pete. Keep it running don't stop. Watch closely do not abuse it. I personally know a motor like yours making double time +.
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  #5  
Old 09-02-2019, 09:28 PM
F1R F1R is offline
 
Join Date: Nov 2010
Location: ____
Posts: 861
Default What Bore scope?

I bet you have been asked before, but those are some very good photos. What bore scope are you using? PC/ android or Iphone /Mac to record them?

long live the 320!
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  #6  
Old 09-03-2019, 09:24 AM
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DeeCee 57 DeeCee 57 is offline
 
Join Date: Sep 2018
Location: LSZF
Posts: 593
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... wild guess, a VA-400 or 800?

Long live all the used engines
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