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  1. C

    Best Hybrid Aircraft - E Motor + Combustion engine OR E motor + Generator for power?

    I was wondering what would be the best setup for an aircraft..... Would it be better to have a hybrid setup with an electric motor and combustion engine combination, with both connected as a direct drive to the prop? Or would it be better to have an electric motor directly drive the prop, and...
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    Any official update on the "Batteries as Fuel" Issue lately?

    I have seen interviews where someone quotes a friend or contact who is "in the know", or is an official in the FAA or EAA, and say that it is 'DEFINITELY HAPPENING' soon. It will allow the equivalent weight of fuel as batteries, or the equivalent power of the fuel as batteries. I have also...
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    Extra Plans Laying Around? Need Plans to Show Kids About Aviation

    I have recently caught the bug for aviation. I am looking for any aircraft plans people might have laying around that they don't need anymore. I work with the Scouts as a Scoutmaster, and want to teach them about how aircraft work, how they are built, and what goes into them. I also...
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    Glider vehicle tow launch idea to shorten field

    *Disclaimer* I have not flown a glider, but want to soon. I am learning about gliders, and may build one someday. I was thinking about how much room is needed to tow a glider by car. You need the length for the rope, and for the car to drive. Remember when the "Mythbusters" would run their...
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    Would others be interested in a CNC machine for $2k-$4k? laser/plasma cutter options

    I am designing and building a CNC unit that can process 4'x8' sheets of plywood and other materials. The height (z axis) limit would be 2' to 4' max (still deciding). It would be able to use plasma cutter, laser options as well if someone wants to add it on. I am doing this because there is...
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    NASA Prandtl-D Project - Yaw is propulsive, not drag --- Has Anyone Followed This?

    NASA research is making it possible so that YAW can be a propulsive force!!! I saw a news report video "thing" from "The Aero News Network" that was discussing the Prandtl-D project from NASA. In it, they discuss the "minimum induced drag for a wing" that was solved by Prandtl in 1920, but...
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    Possible Waiver for Battery Weight in Ultralights / LSA ?

    I was watching some of Dan Johnson's aircraft videos last year on his YouTube channel "Light Sport and Ultralight Flyer", and came across his interview of Randall Fishman with his "Electraflyer ULS" electric powered ultralight motorglider. The video shows it was published in August 5th, 2014...
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    Skylab Flybox - Android based EFIS

    I watched a video about this that was on YouTube. I had been watching Dan Johnson videos about new avionics coming out, & I noticed this video on the side in those other suggested videos for you to watch. It looks like he has tried it out on a tiger moth and a high max. Is this thing a great...
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    Do electric aircraft with multiple props require a multi engine license?

    I see lots of "e-planes" with more than one motor/prop, even in ultralight and LSA. Would they require extra license and training to operate? Or would a standard LSA license work? Also, what about twin engine aircraft, such as the Cri Cri? It`s not electric (originally), but has two gas motors...
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    Why not a "Rhino Rudder"? Why can`t it work?

    I am new to aviation. I have a technical background, worked as a mechanic to put myself thru college. I have read about the "Rhino rudder" that Rutan tried, and the reasons why people say it's not a good idea. The mechanic in me sees this kind of like `4 wheel steering` and would give some more...
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    Is a star Wars LSA possible to build & fly?

    Star Wars has entertained and inspired people for generations. It has impacted sci-fi, special effects, and even had a place in politics (Star Wars Defense program). It has inspired other movies, TV shows, books, toys, and even technology. Geeks and non-Geeks have enjoyed it. Could it be...
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    Hello to the community! Short on experience, but full of naive hope and dreams!

    Brand spanking new to aviation..... I designed a boat last year, and a construction process that would turn months into weeks, but I didn't get started early enough, and decided to postpone the project. I didn't want to start it at the end of summer, and have it sit all winter, and possibly...
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