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  1. howardyin

    Flying Experimental Airplane Around The World

    Sling aircraft
  2. howardyin

    Flying Experimental Airplane Around The World

    https://www.amazon.com/Flight-Lifetime-Around-homebuilt-airplane/dp/0615524796 a fantastic book ....Around the world ni a homebuilt airplane Yes, you can do it!
  3. howardyin

    a nice page about to convert a vw 1.2 engine

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

    Reducing weight by using composites

    About foam core， I am not sure what's the persentage of guys here have did the process. For me, I have to eproxy 7 foam blocks to one wing panel(say, lelft or right side ). 3 blocks for leading edge put on spar for 1 day,3 blocks for rear side glued on spar for 1 day. The wing tip glued to...
  5. howardyin

    Reducing weight by using composites

    how about those design as mold making planes like pipistrel aircraft? These planes have been sold a lot. For homebuilder, what I think the way the Pennec Gaz'Aile 2 use is a quik and light way.
  6. howardyin

    Auto Engines Aren't Designed to Take Full Power for More Than a Few Minutes...

    how to lubracte ？Add a dry Dry sump system?
  7. howardyin

    Wing spar sizing

    https://www.ihpa.ie/carbon-dragon/index.php/home-top/articles/83-graphlite-carbon-rod I chose the way Jim marske taught
  8. howardyin

    Beachner V8 Special

    so, what 's now？
  9. howardyin

    Leading edge being soaked in Ammonia？ why Ammonia？

    I did the same way as you did :)
  10. howardyin

    Leading edge being soaked in Ammonia？ why Ammonia？

    So， if someone want to put the plywood in the ammonia solution， what is the consistence（weight ratio to water ）shoud be？Saturated solution？
  11. 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.
  12. howardyin

    did anyone know how this plane is going now?

    seems that I lost part of my memery :(
  13. 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
  14. howardyin

    my project progressing

    keep going :)
  15. howardyin

    my project progressing

    just engine from factory , the redrive is made by myself( the design come frome Keiven Armtrong, now a little changes )
  16. howardyin

    my project progressing

    Gaokin 850cc, about 1300 usd. The saleman told me that if I want to buy more , they only sell 5 or ten units one order . :(
  17. howardyin

    my project progressing

    TIG engine mount
  18. 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 ?
  19. howardyin

    Flying wing as cheap and simple option for basic fun flying.

    sky scooter seems no update for more than a year, any thing new ?
  20. howardyin

    Building Update

    both yahoo photo and google photo seemed been closed
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