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Hi,
this Indonesian designer,called Yum Soemarsono,had a four helicopter concepts.
www.goodnewsfromindonesia.id
this Indonesian designer,called Yum Soemarsono,had a four helicopter concepts.
![www.goodnewsfromindonesia.id](/proxy.php?image=https%3A%2F%2Fcdn-u1-gnfi.imgix.net%2Fpost%2Flarge-when-was-the-first-helicopter-invented-1510063493-8e74957a88802640ea76a17ea80ac255.jpg%3Fw%3D1200%26max-h%3D630%26fit%3Dcrop%26crop%3Dface%26mark-align%3Dright%26mark-scale%3D15%26mark-pad%3D40%26mark64%3DaHR0cHM6Ly93d3cuZ29vZG5ld3Nmcm9taW5kb25lc2lhLmlkL2Fzc2V0cy9mcm9udDIwMTkvaW1hZ2VzL3Jlc3RvcmluZy1hbmFrLWJhbmdzYS5wbmc&hash=ff01f3b71b4074d6123b1972ab0a4844&return_error=1)
Inilah Orang Indonesia yang Mampu Merancang, Membuat, dan Menerbangkan Helikopter
Ya … beliau adalah bapak helikopter Indonesia. Hingga saat ini
![stingraysrotorforumclosed.activeboard.com](/proxy.php?image=https%3A%2F%2Fwww.sparklit.com%2Fsecure%2Fimage%2Fforum%2Factiveboard_icon_200.png&hash=942d4ea52fec7eba4fbfa0c339de9675&return_error=1)
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Discussion forum about helicopters and other rotorcraft - a part of the world's largest rotorcraft archive, "Stingray's List of Rotorcraft"
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