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Copper in oil XP-360

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rscott(at)cascadeaccess.c
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Posted: Wed Aug 02, 2006 4:32 pm Post subject: Copper in oil XP-360

FWIW, I've been running oil samples for a friend (I have access to a spectrometer used for O/A for other than for Gen. Aviation) & here are the copper readings in his Aerosport O-320:  13, 28.3, 30.6, 32.6, 29.9, 16.8, 15.9, 11.3, & 8.3  All readings are parts per million.  Twice, we ran samples on new oil and found zero copper in the oil.  I don't have engine time info, but the first sample was in April of '02 and the latest was last December.  He has flown his RV-6A about 500 hours, so it appears the highest reading occurred at around 200 hrs.  Also, I don't know what oil he is using, but I think it is Aeroshell.

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