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RX (rocket family)
Rocket Family consisting of Indonesian made rockets From Wikipedia, the free encyclopedia
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The RX rocket family (Roket Eksperimental, English: Experimental Rocket) is a series of solid-fuel rockets developed by the Indonesian National Institute of Aeronautics and Space (LAPAN).
They are simply named by their diameter in millimeters; for example, the RX-250 has a diameter of 250 millimeters (9.8 in).[1] The propellant used is HTPB-based composite propellant.
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Individual boosters
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This family is composed of:[2][3][4][5][6]
Note: Characteristics in italics are design values, they have not been measured yet.
RX-250 was launched eight times from 1987 to 2007.[4][7] RX-320 was launched twice in 2008[4][8] and once again in 2014.[9] RX-420 flew just once in 2009;[10] it is superseded by RX-450 which was launched on 13 May 2015.[11][12]
As of May 2016[update], the next booster version RX-550 is under construction; the larger ones are only on the drawing board.
In 2017 successful launches of RX 450 and RX 1220 were carried out from the Space and Atmospheric Observation & Technology Testing Center at Garut, West Java.[13] The RX 1220 is a based on the R-HAN122 B.[13]
Two RX-1220 rockets were launched at the Karang Papak Air Force Base on December 23, 2018.[14]
- RX (Roket Eksperimental) gallery
- RX-320
- RX-420
- RX-550
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Multi-stage rockets
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Once the solid boosters are fully qualified, LAPAN plans to assemble several of them into multi-stage rockets called Roket Pengorbit Satelit or RPS. Four staging configurations have been retained so far:[15]
- First stage: 3 x RX-420
- Second stage: 1 x RX-420
- Third stage: 1 x RX-420 (shorter)
- Fourth stage: 1 x RX-320
- Total height: 10.00 meters (32.81 ft)
- RPS-01 Variant 2b
- First stage: 1 x RX-550 + 2 x RX-420
- Second stage: 1 x RX-550
- Third stage: 1 x RX-320
- Total height: 15.75 meters (51.7 ft)
- RPS-01 Variant 3a
- First stage: 1 x RX-450
- Second stage: 1 x RX-450
- Total height: 10.75 meters (35.3 ft)
- RPS-01 Variant 3b
- First stage: 1 x RX-450 + 2 x RX-320
- Second stage: 1 x RX-450
- Third stage: 1 x RX-320
- Total height: 11.75 meters (38.5 ft)
Earlier plans for the Pengorbitan-1 and -2 orbital launch vehicles (RPS-420s) were based on the RX-420 engine which was superseded by the RX-450. As of May 2016[update], integration work is proceeding on variants 3a and 3b, whose engines have all been successfully flight-qualified.
Since 2019, LAPAN's rocket division PUSTEKROKET has collaborated with AASPT and CGWIC of China in designing newer multiple stage sounding rockets. The new rockets will be called RX-452 which combined 400 millimeters (16 in) of first stage, and 450 millimeters (18 in) of second stage. The design is based on TK-32 sounding rocket as well as RX-450. It is expected the newer design to be able to reach above 100 kilometers (62 mi), simulation showed the rocket is able to reach 200 kilometers (120 mi).[17]
- RX-452
- First stage: 1 x RX-400
- Second stage: 1 x RX-450
- Total height: 8.6 meters (28 ft)
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References
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