Friday, May 26, 2017

11:30 AM

Sarmat Si Anak Setan: Misil Balistik Antarbenua Terbaru dari Rusia

Uji penembakan misil balistik antarbenua (intercontinental ballistic missile/ICBM) Sarmat, yang akan beroperasi pada awal 2020-an, telah berhasil dilaksanakan pada September lalu. Namun, karakter teknis dan taktis senjata ini masih ‘dirahasiakan’. Berikut adalah pemaparan infomasi yang berhasil kami himpun baik dari pengembang senjata ini maupun dari percakapan dengan para pakar militer.

Perlu dicatat, saat ini misil tersebut masih dalam proses pengembangan, dan saat mulai beroperasi, ia tentu sudah melalui sejumlah modifikasi dan perubahan.

Apa Itu Sarmat?

Sarmat adalah misil antarbenua berbahan bakar cair kelas berat dengan kode MS-28. Total bobotnya mencapai seratus ton dan berat lemparannya (throw weight) sepuluh ton. Misil ini akan bergabung dengan Pasukan Misil Strategis Rusia setelah 2020 dan akan menggantikan P-32M2 “Voievoda”, misil strategis paling tangguh dan dashyat di dunia (julukan NATO: SS-18 Satan), dengan bobot 211 ton dan throw weight 8,8 ton.

Yang akan membuat Sarmat berbeda dari pendahulunya tak hanya bobotnya yang lebih ringan, tapi juga jangkauan terbang. Jika ‘Satan’ mampu terbang pada jarak 11 ribu kilometer, Sarmat mampu menempuh jarak lebih dari 17 ribu kilometer. Para perancang bahkan merencanakan Sarmat dapat terbang ke menyasar target yang bahkan berada di Kutub Selatan, yang di sana tak ada siapa pun yang menantinya dan tak ada pagar antimisil yang dibangun.

Selain itu, Sarmat akan memiliki setidaknya 15 MIRV (multiple independently targetable reentry vehicle) atau muatan peluru kendali balistik yang berisi beberapa hulu ledak individual, bukan hanya 10 hulu ledak nuklir. Mereka akan ditempatkan sesuai prinsip ‘setumpuk anggur’, dan masing-masing memiliki kapasitas 150 – 300 kiloton, yang dapat dipisahkan dari ‘tumpukannya’ saat ia harus meninggalkan target seperti yang diprogram. Ia dapat terbang dengan kecepatan hipersonik (melebihi Mach 5), mengubah lintasannya sesuai dengan tingkat dan ketinggian sehingga tak bisa dicegat oleh sistem pertahanan misil mana pun, baik yang sudah ada saat ini maupun misil jarak jauh, termasuk yang bergantung pada elemen antariksa.

“Bagi Sarmat, tak penting apakah ada sistem pertahanan misil atau tidak. Ia tak akan menyadarinya.” (sumber)


Thursday, January 5, 2017

9:00 PM

Tantangan Meluncurkan 100 Satelit Sekali Jalan

Para pemain industri dirgantara sedang mencari cara bagaimana meluncurkan 100 satelit dalam sekali peluncuran.

India dilaporkan akan memulai pelucuran 83 satelit dalam sekali peluncuran tahun depan.

Perusahaan-perusahaan swasta di AS juga dengan melakukan hal yang sama dengan meniru konsep bom kluster. (baca)


Tuesday, December 27, 2016

6:57 AM

Ketika Sukhoi Hampir Bangkrut

Perusahaan yang memproduksi Sukhoi hampir bangkrut paska Uni Soviet.

Kemudian Tiongkok memborong pesawat yang dianggap sebagai bail out yang sangat berjasa menhidupkan perusahaan.

Kemudian diikuti dengan pesanan India.



Wednesday, December 14, 2016

8:30 PM

Penampilan Nasyid dari Nias


Kontingen dari Nias mengikuti Festival Nasyid ke-20 di Sumut baru-baru ini.

Kontingen Medan menjadi juara umum dalam perhelatan tersebut.

Berikut videonya.




Wednesday, May 11, 2011

5:18 PM

China plans to build lunar research base


Under China's three-phase lunar probe plans for orbiting the moon, landing on the moon and returning back to Earth, China is scheduled to launch the Chang'e-3 and softly land it on the moon, where it will release a moon rover to explore the lunar surface, by 2013.

China will carry out an unmanned lunar landing around 2017 before making manned lunar landings and building research bases on the moon, said Ouyang Ziyuan, chief scientist of China's lunar probe program, in Shanghai on May 9.

Ouyang made the remarks during the opening ceremony of the 2011 IEEE International Conference on Robotics and Automation.

He said that the Chang'e-2 has operated safely for 200 days as of May 1. During the operation of the Chang'e-2 in space, four tiny cameras on the satellite recorded clear photographs, marking China's first-ever aerospace application of CMOS imaging technologies, first space surveillance engineering application, first photograph captured at the moment of igniting the 490N engine and first photograph of the Earth taken by a camera on an orbiting lunar orbiter.

However, is the ultimate mission of the Chang'e-2 to test soft-landing technologies for the Chang'e-3 or to test Earth reentry technologies for follow-up Chang'e series satellites after their lunar landings? Ouyang said that the ultimate mission of the Chang'e-3 Satellite has yet to be determined. Whatever mission is selected, the Chang'e-2 will test key technologies for follow-up tasks of Chang'e series satellites before completing its lunar trip.

For instance, the Chang'e-2 can either make a "pilot" soft-landing in order to test technologies for the Chang'e-3 or return to Earth orbit under ground control and simulate the return of future Chang'e series satellites to earth after 2013.

Ouyang said that the Chang'e-3 will be equipped with a 70-kilogram lander and a 120-kilogram moon rover. The satellite will weigh about 500 kilograms and will have a designed life of three months. As the intelligent robotic technology develops, the rover will be able to determine its own routes, climb slopes, avoid obstacles and pick a good spot to perform science experiments with a collection of sensors. Furthermore, it will even be capable of collecting samples from the moon and sending them back to Earth for further studies.

Ouyang said that China plans to send recoverable rovers and humans to the moon at appropriate times. In addition, China is also considering building a research base on the moon and exploring Mars and other parts of outer space. To achieve its goal, the country is building a new satellite launch center and is making great efforts to develop more advanced rocket engines.

Monday, April 25, 2011

6:12 PM

Iran to study space radiation effects

The head of Iran Space Agency (ISA) has expressed optimism about the re-launch of the country's Kavoshgar (Explorer) 4 satellite carrier following the probe's successful mission.

“All the predetermined objectives of launching the bio-capsule, which was designed by the [country's] aerospace experts, have been achieved,” ISA chief Hamid Fazeli told ISNA on Friday.

“Of course, our colleagues are analyzing data” collected from the March 17 blastoff of the Kavoshgar 4, he added.

The probe carried into space Iran's first domestically-made bio-capsule capable of 'sustaining life' by producing oxygen in a new way. Iranian researchers developed a new system for generating oxygen by the use of dry ice.

The ISA chief went on to say that the Kavoshgar's first mission was intended to assess the performance of the space explorer's systems and subsystems along with the launching pad, elevating mechanism, and the bio-capsule.

Fazeli expressed hope for the final launch of the Kavoshgar 4 with a living creature (a monkey) as its first passenger.

He further pointed out that the oxygen-producing system aboard the probe was 'the first' of its kind.

Kavoshgar 4 (Explorer 4) was scheduled to take a 120-kilometer course and carry out studies on solar radiation, as well as astronomical and meteorological studies.

On February 7, Iran unveiled four national satellites -- the Fajr (Dawn), Rasad (Observation), Amir Kabir I, Zafar (Victory) and the Kavoshgar 4satellite carrier.

Iran launched its first domestically-produced satellite, the Omid (hope), into orbit in 2009.

The Omid data-processing satellite was designed to orbit the Earth 15 times every 24 hours and transmit data via two frequency bands and eight antennas to an Iranian space station.

Iran is one of the 24 founding members of the United Nations' Committee on the Peaceful Uses of Outer Space, which was set up in 1959.

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