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  #1  
Old 09-02-2019, 07:20 PM
petehowell's Avatar
petehowell petehowell is offline
 
Join Date: Jan 2005
Location: MN
Posts: 2,281
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 - 2350+ Hrs
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St. Paul, MN
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  #2  
Old 09-02-2019, 08:35 PM
BillL BillL is offline
 
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Location: Central IL
Posts: 5,748
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, 09:22 PM
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petehowell petehowell is offline
 
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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 - 2350+ Hrs
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  #4  
Old 09-02-2019, 10:10 PM
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Vlad Vlad is offline
 
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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, 10:28 PM
F1R F1R is offline
 
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Location: ____
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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, 10:24 AM
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DeeCee 57 DeeCee 57 is offline
 
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Location: LSZF
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Default

... wild guess, a VA-400 or 800?

Long live all the used engines
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  #7  
Old 09-03-2019, 04:14 PM
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Steve Melton Steve Melton is online now
 
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Default looks good

keep going and monitor. thanks for the valve documentary.

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RV-9A, Tip-up, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 800+ for all

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  #8  
Old 09-04-2019, 08:20 AM
rvsxer rvsxer is offline
 
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Location: Inver Grove Hgts, MN
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The pipeline patrol company at our airport runs their O-320's 4,000 hours. No problems at overhaul. They do oil analysis, and all the accessories get changed on a time schedule. I looked at one the other day that had over 3,000 hours on it and it was still getting 12-13 hours out of a quart of oil with the original cylinders. You can imagine how much they fly, and that is probably the main reason the engines are going so far.
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  #9  
Old 09-30-2019, 02:31 PM
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Forget Lean or green, I'd say those valves are CLEAN of peak
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  #10  
Old 06-29-2020, 03:57 PM
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petehowell petehowell is offline
 
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Default 2300 Hour report!

Not much has changed at 2300 hours. She is still running great.
  • Filter and screen had some carbon chunks, nothing more.
  • Compression #'s were 77-76-77-78 with a warm engine. Valves looked pretty good!
  • As mentioned previously - We are going to continue to run and watch her carefully.
  • Titan O-320/Carb/EI/Mostly Mogas/Lots of LOP

Valve Porn - the cheapo camera was not super sharp this time, but did the trick

#1


#3


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#4
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Pete

Amateur Plane - RV-9A N789PH - 2350+ Hrs
Amateur Radio - KD0CVN
Doggies Delivered - 25+
St. Paul, MN
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