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  1. Arkan

    Engine debate and choices?

    I am always amazed when reading posts where debate can be found, everyone falls in to their own thoughts and defends their position like a dog with a bone..... There is the group that believe that the world would be safer if we all stuck to the tried and true and buy only certified engines...
  2. Arkan

    Project Bush Demon

    Well good news, I have a friend who is an aerospace engineer, so he gets all my designs to run computer simulations. Of course I am not trying to design airfoils, and still have not settled on which to use. As for the look of my aircraft I started with drawing that looked close to a J-4/3...
  3. Arkan

    LSA a regulation for design and build

    Designing and building your own LSA is a fun journey, I have an external hard drive now full of ideas and designs, and a friend of mine who is an aviation engineer who has a blast either saying great idea or shooting them down. (He runs computerized tests on lift air flow etc etc.) but I have...
  4. Arkan

    Project Bush Demon

    It is amazing how I had what I thought was a clear idea in the beginning of this design process, but the mission through research changes a bit in my head. I want a high wing plane with the ability to land "Off Field," but i do not want to get too hung up or crazy with the "off field" portion...
  5. Arkan

    Airplane plans inventory

    Thank you sir, this will be a help.... Just wish i could find something on the J-4 coupe... it had a longer wing span, and about 100lbs more useful payload... I know the J-4 roughly stalled out at 38 mph.... so it had natural Stol ability.
  6. Arkan

    Airplane plans inventory

    Is there anyone with complete plans for piper J-4 Coupe or the Piper PA-15?
  7. Arkan

    Project Bush Demon

    Okay quick update... I am still researching like mad, but we finally got answers on my health issues, In October I had a Bone Marrow Biopsy. the results came back and i have a Blood Cancer called Myelodisplastic Syndrome. Short quick version of what that means, my bone marrow is not producing...
  8. Arkan

    Why battery-powered aircraft will never have significant range

    Actually, I met a guy in Colorado Springs, he has to buy waters rights to have a 800 gallon tank buried to catch the run off from his roof. Trust me they are charging. All over the western US.
  9. Arkan

    Nerd alert! Airfoil Comparison: Modified NASA 65018 vs Clark Y, and NACA 23000 series

    Okay i need some help, I have been studying different airfoil types for my design, I have just about settled on the Clark Y or a variation there of like the YH which i believe is a flat bottomed version of the Y. but i come across theses comparison graphs regularly, and honestly have no clue...
  10. Arkan

    Project Bush Demon

    So I have been researching airfoil designs and I think I have settled on the Clark Y airfoil. that with a flaperon and leading edge slat, should give me great stol performance.
  11. Arkan

    Non- Biased Engine Reviews -Viking

    @PagoBay.... top right of each of those videos says exactly what I mean, that's my point. Both videos you have shown are from Vikings YouTube. Their logo is in the top left. I can find complete build videos of people using just about any engine you can think of, LS1 chevy conversions...
  12. Arkan

    Non- Biased Engine Reviews -Viking

    I agree with the EFI and I will go to Electric ignition systems as well. I am not opposed to water cooling either. A water cooled engine with an external oil cooler as well... there are a lot of improvement to more efficient aviation engines that can be made.
  13. Arkan

    Non- Biased Engine Reviews -Viking

    I never suggested it was being censored or manipulated, what I said is they have done a good job on the internet to put a lot of their marketing and videos out there. You run a search for Viking engine problems, issues or failures, and more often than not 98 percent of your search results bring...
  14. Arkan

    Non- Biased Engine Reviews -Viking

    Here is the problem with your statement, there is a lot of videos, but finding independent information is difficult. Most of the videos I have found are from Viking or Zenith. I have searched through a lot of videos and forums. In this day and age there is no such thing as 100% customer...
  15. Arkan

    Non- Biased Engine Reviews -Viking

    I am actually going with a known auto conversion for my build, cooling issues are easy to solve, as for the ECM's most of the known auto conversion company's have produced either the fix, or their own ECM. Fuel systems are easy to manipulate and fix as well, and again those fixes are readily...
  16. Arkan

    Non- Biased Engine Reviews -Viking

    Basic economics are at play here. Traditional Aviation engine manufacturers are limited to a small customer base in comparison to the automotive industry. World wide, Anyone of the major auto manufacturers will produce more new cars in a day, than all of the small aircraft manufacturers...
  17. Arkan

    Project Bush Demon

    VB if you want to help and educate, that's cool, but some people come across in a way that feels and seems more like a personal attack. It takes years to properly design an aircraft. But every design starts with a vision, a thought, and before you put even pen to paper in design, you need to...
  18. Arkan

    Project Bush Demon

    I am still researching the carbon fiber, sandwich materials, and epoxies. I know there are several weights, weave design, and applications. the Sandwich materials range from Aluminum to Aramid honeycombs, and in a full design, i am sure it is going to be a mixture of materials. For instance i...
  19. Arkan

    Project Bush Demon

    Oh I am sorry, I thought that was whT I was doing here, learning. exchanging ideas, and putting together a course of action. I have read through a lot of the posts through out this forum. I have learned a lot, and continue to expand my knowledge. Now since you go back through and quote...
  20. Arkan

    Project Bush Demon

    Starting to think I upset you guys... the silence is deafening. Lol. I have bought plans for a J-3, and will be joining EAA next week. I am actually going to go with a traditional set up, only I am going to widen the cab slightly and move the front seat back to accommodate my larger frame. But...
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