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  1. J

    Thought Experiment - Movable Slats instead of Flaps

    Letting my mind wander the other day, I wondered what it would be like if an aircraft had movable slats instead of flaps. Would the pitch change the same as when deploying flaps? Would the mechanical advantage / force required to deploy be much greater than with flaps? Would slow flight be...
  2. J

    Flapping Flight

    I'm going to guess this has already been posted, but I could not find it on a search. I hope you all find this interesting: "Leif Ristroph and colleagues at NYU are designing tiny paper aircraft and making them fly using a pot, a speaker and a bunch of straws. When the subwoofer plays a...
  3. J

    Flash Bainite

    Interesting: A NEW WAY TO MAKE LIGHTER, STRONGER STEEL – IN A FLASHA New Way To Make Lighter, Stronger Steel -- In A Flash http://www.bainitesteel.com Powerpoint at the bainite website makes some interesting claims.
  4. J

    DWFTTW

    I searched for those letters and the un-abbreviated: Directly Downwind Faster than the Wind and could not find anything. This is almost as good as "airplane on a treadmill" Enjoy: A Long, Strange Trip Downwind Faster Than the Wind | Autopia | Wired.com :ban:
  5. J

    Fore-Aft CG Limit Envelope

    Why does it seem like tandem seating AC must have this huge acceptable CG range while most of the new side-by-side LSAs all have 50# load limits for behind the front seats? I've heard of certain AC (Bo and Last model of Navion Rangemaster IIRC) where you often run past the fwd cg when lightly...
  6. J

    epoxy in place mounting studs

    At OSH last year I saw a company marketing these "stick in place" mouting devices. They had many different forms of devices, but what I am looking for would be similar to a shoulder bolt with the bolt head stuck to an interior surface. I'd use 4 of these to hold a small PCB to a section of...
  7. J

    Plans for Amphib Floats

    Does such a thing exist? Perhaps there are scalable options out there which can be adjusted to the displacement required? Just curious. . .
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