Early Helicopter Designs,in Indonesia

[hesham]

Hi,

this Indonesian designer,called Yum Soemarsono,had a four helicopter concepts.

https://www.goodnewsfromindonesia.i...merancang-membuat-dan-menerbangkan-helikopter
https://stingraysrotorforumclosed.activeboard.com/forum.spark?aBID=126840

 

[hesham]

Hi,

https://aviahistoria.com/2022/01/12/swadaya-pengembangan-teknologi-helikopter-di-indonesia/

 

[persil]

Great find my friend!