|
|
In 1907 military engineer K.A.Antonov applied for, and in 1912 obtained a patent for his "Helicoplane". Aircraft was built and tested in St.Petersburg (1910).
It was a helicopter of coaxial scheme with additional propeller for horizontal movement. All rotors were driven by single 35hp engine. Aircraft had a collective pitch control of main rotors. It was supposed that 0° pitch will be used for parachuting or gliding.
Despite all systems worked as expected, "Helicoplane" failed to takeoff. Russian Aviation Museum
| Pavels Bogdanovics, e-mail, 03.12.2023 | reply |
There are two Mi8 helicopters for sale, one costs $8.9 million in Russia in 2020, and one costs $8.8 million in Turkey in 2019, write an email with offers, we are ready to meet at any time. write to Frankbugman24@gmail.com | | Ibrahim bakir, e-mail, 07.09.2022 | reply |
tawaran pinjaman 2000€ hingga 9000.000€
Kami adalah asosiasi investor swasta; Kami menyediakan semua pinjaman, tingkat bunga tahunan adalah 2%. Kredit diberikan kepada mereka yang memiliki pendapatan bulanan tetap atau tidak teratur. Organisasi ini bukan bank dan tidak memerlukan banyak dokumen. Kami siap memberi Anda pinjaman sebesar 2.000 hingga 9.000.000 euro untuk jangka waktu pembayaran 1 hingga 25 tahun. . Untuk informasi lebih lanjut, silakan hubungi kami: bakir9930@gmail.com |
|
| |
|
Do you have any comments ?
|
| 
Virtual Aircraft Museum
All the World's Rotorcraft
|
