China launches fourth ballistic early-warning satellite

Discussion in 'China' started by Broccoli, Jul 16, 2013.

  1. Broccoli

    Broccoli Regular Member

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    Launch of SJ-11-05 satellite.

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  3. no smoking

    no smoking Senior Member Senior Member

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    Just a question: why China put one early-warning satellite on the top of australian and indonesia? Is there any US missile facility over there?
     
  4. arnabmit

    arnabmit Homo Communis Indus Senior Member

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    Maybe for monitoring Guam base and ship launched BMs from Pacific

     
  5. TrueSpirit

    TrueSpirit Senior Member Senior Member

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    Forget It....Trace my IP if you can
    Well done China. Now PRC's satellites cover virtually entire US, Europe, Central, South & West Asia, plus the Eastern Pacific theater. Way to go.
     
  6. sayareakd

    sayareakd Moderator Moderator

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    What about Sj-1-04??
     
  7. mahesh

    mahesh Regular Member

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    Any comparison between indian plsv and chinese satellite launchers
     
  8. shiphone

    shiphone Senior Member Senior Member

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    Chinese orbiter fails to enter designated orbit due to rocket malfunction

    http://defenceforumindia.com/forum/china/24536-china-s-third-launch-week-proves-too-much-long-march-2c-fails.html ---------the thread on DFI

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    the comparable Launch Vehicles to PSLV in Long March family(CZ family--CZ1,CZ2 sercial,CZ3 serial,CZ4 serial) might be CZ-2 A,C,D(LongMarch 2 A,C,D or LM 2 A,C,D) ....note: CZ-2 E,F,F/G not included.

    basicly CZ2 serial is a 2 stage rocket, PLSV has 4 stages(some model has Strap-On, so 4.5 stages)...

    PSLV CA/PSLV/PSLV XL have a range of

    LEO payload ability :2100-3800 Kg
    SSO payload ability: 1100-1750 kg-- the main payload of PSLV
    GTO payload ability: 1050-1440 kg-- not the main purpose of this LV ,but due the GSLV problem, PSLV is also used for such missions.

    parallelly CZ2 A/C/D would provide such payload ability

    LEO payload ability :1800-3100 Kg
    SSO payload ability: 750-2000 kg
    GTO payload ability: 1440 kg ------only one model :Z-2C (3) CPKM was designed for this orbit ,but I'm afraid the launch never happened

    due to the limited liquid rocket ability (Vikas engine-- similar to and a TOT of the Viking engine of Ariane 4 )and lack of the rocket engine cluster design , PSLV chose the complicated 4 staged structure (2 liquid ,2 solid),which made the this LV a little inefficient.(GSLV MK1,2 has the same problem, even the MK3)
    PSLV's lift-off weight is as high as 294 tons...and with similar payload ability,CZ-2 C/D has a lift-off mass of 192-232 tons...

    BTW ,we would see the high thrust rocket engine cluster design on GSLV MK3 for the first time,which is known as L110 engine.
     
    Last edited: Jul 16, 2013
  9. amoy

    amoy Senior Member Senior Member

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    Early warning satellite
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    Chinese missile capability
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