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  1. H

    high oil consumption

    Lots of good ideas. Thanks to all. I read Mike Bush's and the other solvent flush instructions. I always start with the cheapest n easiest solutions on mechanical problems. So ill do a solvent flush after the annual is done. Cost- about $200? If that doesnt work we can take one cylinder off...
  2. H

    downsizing to an RV 7A

    thanks for the comments. its all food for thought. my 210 is wonderful for long trips but quite expensive and insurance is ridicules!
  3. H

    head winds

    thanks guys. Me, Im never on a schedule. Thats maybe why he says that. He couldnt explain the math very well either. Personally I agree with Baked Potato. Ground speed is what it is. No way can you make it up using power in a C210! I recently flew 300 miles with a 30 kt headwind. It was either...
  4. H

    high oil consumption

    Thanks for everyones' responses. The lower plugs are wet, hot & cold. We borescoped the engine recently. Im going to research Bush's solvent flush now.. Its getting an annual right now. Im going to see if he will pull the worst cylinder and see whats up. Thanks again.
  5. H

    downsizing to an RV 7A

    Im thinking of downsizing from a retractable to an RV7A or similar plane. Is insurance hard to get? Does insurance require much or any training from a high performance plane? Can the plane hold golf clubs? A golf driver is about 48in long. Are they good cross country machines? say 500 mile...
  6. H

    head winds

    My cfi is a retired airline pilot. He says that flying into a headwind, one should push the plane hard and conversely with a tail wind, coast. I did the math off of the poh and I concluded that in both cases, one should not push the plane hard but pick moderate power settings for economy and...
  7. H

    high oil consumption

    Domenick that is exactly what i was thinking. yes 4 of the bottom spark plugs get wet after shut down. does anyone advocate a gum out oil additive like seafoam for a short period of time prior to an oil change? too risky? just an idea. henryinparadise
  8. H

    high oil consumption

    thanks Ron i do run 15-50 and keep it around 10 qts. I will do an oil analysis next week. i bought the plane last nov. the compression was low but with use it came up nicely. i was hoping that with use the oil rings would clean up. i think that's the problem. we may take off one cylinder to...
  9. H

    high oil consumption

    I have a 1973 C210 with a normally aspirated Cont.520 with 500 hrs on it. Recent comp test shows 79 or 80 lbs on all cylinders. It uses 1 qt every 2 to 2.5 hrs. It sat for most of 2022 getting a new spar. It does not leak or make a mess anywhere. I run aero shell 5-35 but im switching to...
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