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  1. howardyin

    a nice page about to convert a vw 1.2 engine

    https://www.aeroweb.cz/clanky/serialy/vyrabime-letecky-motor
  2. howardyin

    Leading edge being soaked in Ammonia? why Ammonia?

    Hi,guys! here I found http://robinultralight.blogspot.com/2010/09/vertical-fin-construction.html why ammonia, not just water? Ammonia is a colorless highly irritating gas with a sharp suffocating odor.
  3. howardyin

    did anyone know how this plane is going now?

    chrome-extension://cdonnmffkdaoajfknoeeecmchibpmkmg/assets/pdf/web/viewer.html?file=https%3A%2F%2Fwww.aerosociety.com%2Fmedia%2F6064%2F5-richard-mole-mole-mite-wing-design-and-construction.pdf
  4. howardyin

    about overheat problem

    When you convert an automobile engine to aircraft usage, Have you ever encountered overheat problem? You just put on another bigger radiator or add a lubricating oil radiator ?
  5. howardyin

    what kind glue (or brand name) used for mylar skin ?

    Hi, guys here, do anyone know what thickness of mylar film used for hangligder (or rigid hanglider ,or like easy rizer,lazair ),and what glue used for gluing file on frame?
  6. howardyin

    weird CG location of SWIFT glider?

    After reading the SWIFT paper , I did a little calculationg , found that the Static longtitude margin is about 40% of MAC !? what I thought should be 8% to 15% of tailless , but ... I donot know something wrong? data from here...
  7. howardyin

    how is double ender going now?

    seems a long time no update?
  8. howardyin

    did anyone know this plane and how is it going?

    https://www.aerosociety.com/media/6064/5-richard-mole-mole-mite-wing-design-and-construction.pdf very intresting little plane and a good reference source for me
  9. howardyin

    what was happened to Fold-a-plane?

    a intreasting design no more update from 2013 https://pro-composites.com/FAP.html
  10. howardyin

    how to locate each holes positions relative to the center of engine shaft?

    Hello , guys here , how to locate each holes accurate positions relative to the center of engine shaft ? I am a homebuilder now modifying my Honda L15A , I am wondering how to make sure the shaft center position relative to the holes those used to hold the plate which hold shaft of output...
  11. howardyin

    my project progressing

    put foam cores together glassing fuselage part I glassing fuselage part II
  12. howardyin

    about tractor propeller tractor force transfer to airframe on belt reduction

    if the propeller is a pusher , it is easy but I do not how the tractor propeller do, what is the structure design like merlin lite v-twin
  13. howardyin

    honda fit L15A ECU matters

    I am now studing things about convert the L15A or L15B engine , I wondering the reasons and the way the orther guys change the engine ECU. what if just use the ECU used in the car? If changed to the new one, which ? where to buy?
  14. howardyin

    what happen to http://krsuper2.com/ guys?

    seems no news from 2014
  15. howardyin

    my gearbox first test run for V-twin engine

    seems need to check the dynamic balance of the propeller , or and some kind of support for the protude part of the shaft.
  16. howardyin

    how many layers laminatied in 1/16 plywood used in aviation

    hi, all I am going to ordor some 1/16 plywood locally , but I do not know how many laminations in 1/16 plywood used in avaition , 3 layers or 5? especially the 1/16 plywood been used as wing skin. thanks
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