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Ed Cesnalis

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About Ed Cesnalis

  • Rank
    Master Star Fighter
  • Birthday 04/09/1953

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    http://www.edcesnalis.com

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  • Location
    Mammoth Lakes - California
  • Gender
    Male

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  1. P51 engine out video

  2. Reading Winds

    Wind transport of snow from the Fish Creek drainage to the Convict Creek drainage. This snow melt was going to SF but now is headed to LA
  3. Rumbling idle this morning?

    In that RPM range mine is not very smooth.
  4. Rumbling idle this morning?

    When my fuel system was polluted with rubber shavings it ran extremely badly at idle.
  5. Rumbling idle this morning?

    its a cause for concern. a common source would be rubber from fuel lines damaged when installed at the 5 year change. What was the nature of the debris?
  6. Dynon Autopilot "hunting" in azmuth

    I remember the phrase 'present the fuselage to the relative wind' to describe slipping. Our CTs have a big hole, making slipping less draggy I think.
  7. Dynon Autopilot "hunting" in azmuth

    Our blunt nosed, shaped CTs seem to pay little penalty.
  8. Max rpm or?

    our props are ground adjustable and my side of this long standing argument has always been that RPM alone doesn't determine power/wear. In this thread and prior the other side argues that RPM alone determines wear no matter what the pitch. ------------------------- granted in recent posts 'similar loads' has crept in but that makes me right not them
  9. Max rpm or?

    Your have to negate my argument with similar loads for Roger to be correct. The long standing argument here never included similar load. Roger like Andy now always argued more RPM means more wear period. I always argued that the power setting was the right metric not RPM. More power = more wear. (anomalies excluded) RPM is multiplied by MAP before it has much meaning.
  10. Max rpm or?

    Rotax assumptions change nothing. Rub 1,000 times lightly or 750 times with a lot of pressure 750 has more wear.
  11. Max rpm or?

    try this, compare an 80% power setting that uses 5,200 to a 70% power setting that uses 5,500. now you would be saying that 70% power produces same wear as 80%, that's just not right.
  12. Max rpm or?

    just like the wear issue it isn't on or off its a sliding scale
  13. Max rpm or?

    Its not wear with high resistance and zero wear with low its less wear with low.
  14. Max rpm or?

    at 14,000' the difference between 53 and 55 is pretty huge, like 10kts
  15. Max rpm or?

    You are talking like Roger hear. Thought experiment: turn your engine by hand, now take out the plugs and do it again, do you really think the wear was equivalent? Your math is missing a variable.
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