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  1. J

    Walt Disney 1944 presentation on 100 Octane aviation fuel

    "Octane numbers are a scale for rating the power gasoline will deliver." That's a Mickey Mouse explanation.
  2. J

    No 12V start cart at KFFZ any longer

    The clock in the club Aerobat is inop. While figuring how to get the plane legal for IFR I looked into replacements and found this: http://www.fdatasystems.com/gt-50/ Typical price is about $174: https://www.aircraftspruce.com/catalog/inpages/flightdatafc50.php According to their FAQ: Will the...
  3. J

    Sort of a scary suspicion

    Could have been filed under this category: https://en.wikipedia.org/wiki/Suicide_by_pilot
  4. J

    Tapping on the altimeter

    Or stick a wad of gum on the outside edge of a prop? Just kidding too! I'm pretty sure I've seen hesitant altimeters before, mostly during climbs after takeoff when I'm looking at it more frequently to see when I've reached a specific altitude such as 300 ft below pattern altitude. Just did a...
  5. J

    Tapping on the altimeter

    I started my flight training in gliders and one thing I picked up was it helped to tap on the altimeter. Otherwise the needle may sometimes move in jumps as friction seems to make movement a bit sticky. Never did that in a powered airplane because the engine adds sufficient vibration to keep...
  6. J

    Is This Greeting Card in Bad Taste?

    I'd be good with that. Actually I would have been Ok with the original wording. I'm not humble but when I took my check ride I already had in mind a possible outcome of "Well at least I still get to fly." Because under most scenarios the student still gets to fly, even solo, after a failed check...
  7. J

    Mosul Orb, and other unidentified aerial phenomenon

    A shadow does quickly diffuse because the sun isn't a point source. So a small object at altitude can have effectively no visible shadow. So that is a possible reason it wasn't visible, so I only described my observation and did not draw any conclusion. The orb's light/dark reflection not...
  8. J

    Mosul Orb, and other unidentified aerial phenomenon

    In the overhead shots where it is clearly sunny because things on the ground are casting shadows, where is the shadow of the orb? I ran them at quarter speed and would have at least expected to see a hint of a shadow of the orb in the 11 to 13 second period of the first video. At about the 17...
  9. J

    Starship Flight Test Poll

    Hmmm. Looks like it was a ground control ordered rapid disassembly when stage separation didn't happen as planned. Even with five engines out their ground control chatter continued to report nominal operation on the remaining engines. Speculating: perhaps because a loss of some engines means...
  10. J

    Starship explodes after takeoff

    It exhibited the same problem during the one static fire test: failure of several engines. I suspected something wrong by the slow acceleration on launch because the thrust to weight ratio is supposed to be higher than the Saturn V.
  11. J

    Starship Flight Test Poll

    Congrats to whoever voted for blowing up well clear of the launch area.
  12. J

    Starship Flight Test Poll

    The poll automatically closed this morning so I reopened it and will manually close it later.
  13. J

    Starship Flight Test Poll

    According to SpaceX, test flight is scheduled for Monday morning: https://www.spacex.com/launches/mission/?missionId=starship-flight-test Could easily get delayed or aborted, which should be considered a given, hence the question of what happens after the engines start. To keep the selections to...
  14. J

    Prosecution for failure to protect the AN-225 during war?

    And on conviction "...you will be shot, court-martialed and sent to the Russian-front!" -- Colonel Klink.
  15. J

    Yes lasers are dangerous to shine at aircraft - but ...

    Blue Man Group hardest hit.
  16. J

    Starting a flying club

    I did not consider surety bonds (if that is what you mean) because I knew nothing about them. It is possible the owner's have a loan, in which case they may be required to have insurance or be named as insured for hull loss (which they asked for and received on our policy.) I'll wait to see what...
  17. J

    Starting a flying club

    Ok, not a myth. I called our insurance agent to get a quote or at least an estimate of the cost if we expanded to 6 to 10 members. Our current insurance for the C-150 is $1259/year ($60k hull value.) The woman gave me a ballpark estimate of $4800 to $5200 per year. Not a mere doubling, but...
  18. J

    Starting a flying club

    Based on my own past experience I agree that we could have 10 members and have few scheduling conflicts. Some people warn that insurance rates will double (or more) when membership goes over 5, so adding a 6th could actually cause the burden per member to actually go up rather than down. That...
  19. J

    Starting a flying club

    Opinions sought. I've attached a PDF of the postcard template I'm planning on sending out now that the club has an airplane. I wish we could cut the monthly dues down, but it is the best we can do with a max of 5 members. On the flip side of the postcard I'm planning on having a photo of the...
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