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    10/23 Raptor Video

    Id be totally frustrated and losing my mind.
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    STOL Inspired Composite Ultralight

    Unpowered ultralights dont have the stall speed reqs that powered ULs are supposed to meet. So the sparrowhawk would not have enough wing area for a powered ul.
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    10/23 Raptor Video

    I remember back when the Eclipse was being developed there was a blog or BBS solely dedicated to being critical to the project. It was fun reading.
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    $10 gallon Avgas

    In iowa ethanol free gas is very common. How ironic, eh?
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    Crashes in the News - Thread

    There comes a time when things just stop being fun.
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    10/23 Raptor Video

    So someone bought the molds and cad files.
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    Name that tiny airplane

    All I know is I want a pack of em. Like 6
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    10/23 Raptor Video

    Which one of you started the "how long the engine is going to last" pool??
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    For Sale Craigslist

    Well yeah duh since an airplane is essential to reach a habitable place
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    A-- Hat drone owner/pilot

    I havent read the entire set of drone regs but I dont recall seeing anything in there about them avoiding manned aircraft.
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    10/23 Raptor Video

    I was just looking atthe vids where he modified the redrive. The two bottom tubes off of the oil collar were welded up and a drain added to the case. Then he made a comment about the crankcase being designed to operate under a vacuum so its sealed up to some extent. Something caused the...
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    10/23 Raptor Video

    Yeah but you cant blame the engine for the redrive puking all the oil out
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    10/23 Raptor Video

    Heres what im talking about. As I see it here, it looks like the only way for oil to escape the box itself is thru the two tubes out of the slip collar. Which would take quite a bit of pressure.
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    10/23 Raptor Video

    Looking at the cutaway in the vid, there is no return line from the case itself that I can see. There are two from the slip ring assy that has the two seals or bearings around the prop shaft. Hmmm...
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    10/23 Raptor Video

    Are those seals seeing full oil pressure?
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    10/23 Raptor Video

    That almost makes it sound like it would be difficult to keep it running while being back driven at lower rpms?
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    10/23 Raptor Video

    Yes they would spin a little but until the engine fires they would not be making any boost.