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Type: Posts; User: Ab0ngcd

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  1. Replies
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    It's amazing how much drag a windmilling...

    It's amazing how much drag a windmilling propeller creates. NACA did a test many years ago on a PA-18-95 using it in a glider configuration (propeller removed and the engine cowling opening all...
  2. Thread: PA-11 rebuild

    by Ab0ngcd
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    5,836

    I think the 1220# is due to gear attach points to...

    I think the 1220# is due to gear attach points to the fuselage and cover the weight of everything from the attach points up. Since the floats are attach points below, they can add the extra weight...
  3. Prop diameter and pitch vs hp and fuel consumption

    Forgive me for being an engineer and asking an engineer type question.

    For a given engine operated at a specific RPM at static conditions, how does the horsepower, static thrust, and fuel...
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    The complex makeup of Scrappy's slats make them...

    The complex makeup of Scrappy's slats make them impossible to work only by aerodynamic pressure. Slats increase lift with little increase of pitching moment, but with Scrappy's 2 slats and the...
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    12,986

    In the big airplanes, they are interconnected. At...

    In the big airplanes, they are interconnected. At least for most jets. C-5 is that way, B727 was that way. I think B737 is that way
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    I like the idea of the dipole antenna mounted...

    I like the idea of the dipole antenna mounted inside the fuselage. Dipoles are more efficient than groundplane antennas. The cub fuselage is not a faraday cage, but a number of tubes a near the...
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    I thought that a real "overhaul" would include...

    I thought that a real "overhaul" would include disassembly of the throttle butterfly mechanism and checking dimensions, rebushing the throttle shaft, replacement of the throttle shaft, all the moving...
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    3,311

    Suggestion for Stromberg repair - re-jet

    I have a NA-S3A1 391229-1-2 carb off a C-90 that was overhauled in 2010, but only 40 hours on it before 2013, then it sat until 2020, when it when it was fueled up and run for 20 more hours. It has...
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