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  1. D

    Powered hang glider = Must the motor be part of the suspended mass ?

    Hello all, The Doodlebug and similar harnesses are very cool but I always thought that it looks a little awkward and wondered why not simply attach the motor on the wing ? I suspect it has to do with controlling the vehicle ? Thanks in advance!
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    Help me decide the configuration of an easy to build Solar hang glider

    Hello guys, this idea has been into a long hiatus, mainly because the cost of the PV cells required is too high for what I want. (for example the link above is 1Watt, $25, meaning that for 500W it would require $12500 just for the panels (not including cables and other circuitry). It also is...
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    Help me decide the configuration of an easy to build Solar hang glider

    Ok guys, just to make some conclusions here: [1] The biplane no.2 above can fly decently, provided that it has pull-wire rudders for roll/yaw control. Without a tail possible (since it is not required). [2] The project is reduced to building a "solar wing". Its not trivial or cheap...
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    Help me decide the configuration of an easy to build Solar hang glider

    I dont anymore, thanks ! :) I just put it there because the ATOS has it (thanks for explaining why) and to increase pitch inertia (ie make it less sensitive to push/pull the handle bar). But then again there is no way to know how sensitive it will be wihout a tail in the first place. Yes...
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    Help me decide the configuration of an easy to build Solar hang glider

    Hmm one reason is that I might want to go from point A to point B, land and charge there, then return to A. It opens up more possibilities. Another reason is that there is a chance, even slightly, to charge the battery fully while Im up there. And a third reason is that its simpler to just...
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    Help me decide the configuration of an easy to build Solar hang glider

    Solar hang glider Im trying to figure out a lightweight rigid-wing foot launched hang glider. It will have PV cells to charge a battery for 1 hour and fly powered for 5 minutes, then glide down (or soar). It is not possible to sustain flight only on PV cells, because their power (3kW max...
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    Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing warp)

    Re: Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing w But didnt it already have yaw stability ? (because of the rudders) Perhaps you meant pitch stability ?
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    Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing warp)

    Re: Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing w A million thanks for valuable help, Just a last question = I can not understand why the Icarus improved with wing sweep. Perhaps it has somethnig to do with CG sensitivity ? Thanks again to all, this is a...
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    Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing warp)

    Re: Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing w Wow great info about the testing! I understad everything, I have seen pictures of how they tested Hawker Hurricanes during the 1930's. Sure, eye protection, motorcycle helmet and leather jacket etc. Gotcha...
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    Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing warp)

    Re: Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing w Ive been searching about those things in the last few days. Yes the Easy Riser is a development of the Icarus 2. I also found about the Mauro Solar Riser: Mauro Solar Riser - Wikipedia, the free encyclopedia...
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    Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing warp)

    Re: Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing w About your experience: It was so interesting and entertaining for me to read your previous post. How inspired and full you must have felt while pulling this off! It was also funny to read how you wrcked and...
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    Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing warp)

    Re: Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing w Bad news = my idea just got scratched. I trust your experience and advise. Thanks for putting me back in track. Good news = the Easy Riser is exactly what I had in mind !!! :D I ll contact them to see...
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    Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing warp)

    Re: Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing w Thats amazing! Have you really done this ? Wow Can you please get in touch with me so that I can ask a few questions about your specification ? dim DOT tripakis AT gmail.com (I want to build it...
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    Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing warp)

    Re: Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing w I think that hang gliders flex and this is how they can roll. They are made in a way that the angle of attack of their left and right side flex change opposite (one up, the other down) when the pilot shifts...
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    Would an "Octave Chanute" biplane glider roll with weight shift ?(=without wing warp)

    This is the aircraft: Now as far as I know, those were either not very controllable, or (in the case of the Wright Brothers, for example) used wing warping to roll and a coordinated rudder to correct yaw from induced drag. I am wondering if such a machine would be controllable only by...
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    Perhaps a float ultralight kit is for me ?

    Hello guys, Its practical to have a float plane here (Greece), because the good part of the country is by the sea. A single person kit with floats, would be magnificent. I would prefer a reliable popular kit, with good instructions and easy build. PRO = I am patient and will follow...
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    Old-fashioned german ultralight?

    You mean the Fokker Eindecker by Airdome ? Airdrome Aeroplanes Fokker Eindecker E 3 ultralight, Airdrome Aeroplanes Fokker Eindecker E 3 ultralight aircraft, Airdrome Aeroplanes Fokker Eindecker E 3 ultra lite plane, Ultralight News newsmagazine. AFAIK they make other vintage kits, too.
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    Autogyro hang glider - again :)

    Hello guys, What if I use the rotor assembly (hub, head, blades) from an existing powered two-seat autogyro model and make some adjustments (a harness, a tail stabilizer, etc) so that I can "hang" from it like a hang glider and use it for dune hopping ? My goal is to "take off me" about 40...
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    Autogyro as a hang glider ?

    Hello, its great to hear that. So you have actually started building it ? Yes I am very interested, thanks I ll send you my email in PM.
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    "minimum" personal mobility device --ground and airmobile.

    Perhaps the answer to this topic lies in something like this ? Impressive, isn't it ? Those are off-the-self RC airplane motors with slow-fly propellers. I suppose there could be a design where the multicopter "folds" into a bicycle,(with some of its propellers exposed and pushing from the...
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