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  1. Replies
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    Innovative. Questions. Will it be necessary to...

    Innovative.

    Questions. Will it be necessary to light the tether for collision avoidance? How long of a surface necessary for launch, if any? Minimum windspeed for self-sustaining flight? Why four...
  2. Thread: GA Turboprop

    by tdm
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    126,802

    Brayton cycle turbines have very high...

    Brayton cycle turbines have very high power-to-weight ratios, but suffer from poor thermal efficiency, which is the main reason why many land-based gas turbine plants are going cogeneration or adding...
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    I haven't seen it mentioned in this thread yet,...

    I haven't seen it mentioned in this thread yet, but there is the possibility that some future Personal Air Vehicle transportation system could be fully autonomous (or at least heavily augmented) once...
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    Surprised that I haven't seen this Pal-V before....

    Surprised that I haven't seen this Pal-V before. Seems like a very mature design, might even be efficient. What is the country of origin? Also, I might be missing something, but I can't see in the...
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    A paper aeroplane is a toy gliding aircraft...

    A paper aeroplane is a toy gliding aircraft constructed from cellulose fiber paper, the making of such is generally believed to have originated, like paper, in ancient Asia. A paper fixed wing...
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    Solidworks for structural, NASA's CFL3D for CFL...

    Solidworks for structural, NASA's CFL3D for CFL if you can book time on a computer cluster. Will need postprocessing software for CFL visualization and grid generation software . If sim is M > 5, may...
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    Hi Gtausten, According to pilotfriend.com,...

    Hi Gtausten,

    According to pilotfriend.com, (http://www.pilotfriend.com/aeromed/medical/diabetes.htm), the "FAA will certify some diabetic pilots who must use insulin for control of their...
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    Unfortunately, the high ambient light fidelity of...

    Unfortunately, the high ambient light fidelity of current transmissive modulatory LC displays is unlikely to increase significantly in the short term due to ambient light diffusion and contrast...
  9. Thread: LSA Requirements

    by tdm
    Replies
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    49,461

    http://www.avweb.com/avwebflash/news/Weight_Increa...

    http://www.avweb.com/avwebflash/news/Weight_Increase_For_LSAs_206054-1.html

    Durr
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    Good riddance! If we're worried about lack of...

    Good riddance! If we're worried about lack of navigational redundancy with GPS, at least get rid of those primitive electromechanical VOR indicators. Ten dollars worth of silicon could calculate...
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    Poll: Perhaps that could be a 'collision', and 'crash'...

    Perhaps that could be a 'collision', and 'crash' could be a subtype. According to Merriam-Webster, a crash as related to aviation, is "to damage (an airplane) in landing".
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    Poll: I like this definition. I also like 'crash' as;...

    I like this definition. I also like 'crash' as; "a landing in which the vertical component of flight is reduced to zero in a small amount of time sufficient to cause structural fatigue."
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    Barring any unforeseen rapid advances in the...

    Barring any unforeseen rapid advances in the energy density of batteries, I agree with the majority of posters here. I think all electric aviation is not currently practical nor does it appear to...
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