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Type: Posts; User: jwzumwalt

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  1. Replies
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    Thanks Dana, that's what I was looking for and...

    Thanks Dana, that's what I was looking for and even better than I could have hoped for. :)
  2. Replies
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    full vs "stick" rib strength?

    I am building the Hummel airplane and have the option of a using a full (one piece) rib or a rib built from stringers. Does anyone know of any tests comparing strength or wing buckling? Obviously the...
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    Thanks for the help folks

    Thanks for the help folks
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    4,540

    Magneto starting

    Some aircraft with two magnetos only start on one magneto.
    How is the second magneto removed from the circuit? Is it
    done at the ignition switch?

    Thx
  5. Thread: Shifting CG

    by jwzumwalt
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    6
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    6,979

    Oh... E6B... isn't that the new solar powered...

    Oh... E6B... isn't that the new solar powered Apple Ipod?
  6. Thread: Shifting CG

    by jwzumwalt
    Replies
    6
    Views
    6,979

    Ok I worked a scenario and it does work. ...

    Ok I worked a scenario and it does work.

    shift weight cg change dist
    -------------- = ----------------
    total weight shift dist

    Ratios can be re-written using the...
  7. Thread: Shifting CG

    by jwzumwalt
    Replies
    6
    Views
    6,979

    Shifting CG

    When I took my private in the 70's there was a question about an airplane that was something like 13 lbs and 6in too rearward in cg. The answer required moving a certain amount of baggage to a new...
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    10,737

    This is required for a 100hr too. Both require...

    This is required for a 100hr too. Both require the same determination and compliance to the type design, TCDS, equipment list, placarding, AD's, discrepancy list, and airworthiness (return to...
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    10,737

    The difference between the "pro" A&P and the...

    The difference between the "pro" A&P and the amateur is the "pro" has proven they have received and demonstrated knowledge of all reasonable pertinent aviation knowledge (like a doctor they may...
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    6,507

    Experimenter back issues

    I am interested in getting back issues of the "Experimenter".
    The EAA website only provides back issues to 2009...
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    13,102

    That is how the one shown in the picture above...

    That is how the one shown in the picture above was done.
  12. Replies
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    13,102

    How attach sheet metal to 4130 tubing?

    4177

    I am converting a single place Stit's Playboy to two seats.
    I stripped the fuselage and am repainting it.
    Rather than use fabric, I would like to aluminum skin it;
    and while I am at it,...
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    40,756

    I have been a pilot and A&P for over 40yrs in...

    I have been a pilot and A&P for over 40yrs in Alaska.
    I have used epoxy paint (one and two parts), urethane, and powder coating.
    For certified aircraft I used Dupont Imron for the first 20yrs but...
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    "normal" takeoff requires familiarity with the aircraft

    As any commercial or twin pilot will tell you, the "normal" takeoff requires familiarity with the aircraft.

    You (the pilot) are expected to reach VR and know what back pressure is needed for the...
  15. http://en.wikipedia.org/wiki/Electric_current ...

    http://en.wikipedia.org/wiki/Electric_current

    "A flow of positive charges gives the same electric current, and has the same effect in a circuit, as an equal flow of negative charges in the...
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