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Tag: rocket

  • ISRO Efficiently Exams SE2000 Engine for Subsequent-Gen LVM3 Rocket Improve

    The Indian Space Research Organisation (ISRO) efficiently carried out the third sizzling take a look at of its semi-cryogenic engine Power Head Test Article (PHTA) on 28 Might 2025 on the ISRO Propulsion Complicated (IPRC), Mahendragiri. The take a look at is a part of a collection of efficiency evaluations geared toward validating key subsystems of the 2000 kN-class SE2000 engine that may ultimately energy the SC120 propulsion stage meant to exchange the present L110 liquid core stage of the LVM3 launch automobile. ISRO started this collection of efficiency evaluations in March 2025, specializing in crucial elements comparable to low- and high-pressure turbo-pumps, the pre-burner, the start-up system, and numerous management mechanisms.

    The three-phased trials

    Based on the official ISRO press release, the PHTA has undergone two sizzling assessments earlier, which included all programs besides the thrust chamber. The primary take a look at on 28.03.2025 demonstrated the sleek ignition & bootstrap operation over a brief length of two.5 seconds. The second sizzling take a look at on 24.04.2025 demonstrated the beginning transient build-up and examined the start-up sequence by finishing up a hot-firing for a length of three.5 seconds. The third take a look at was carried out for a length of three seconds to fine-tune additional & finalize the start-up sequence.

    The SE2000 employs an oxidizer-rich staged combustion cycle utilizing liquid oxygen and kerosene. It is ready to ship a chamber stress of 180 bar and a particular impulse of 335 seconds—an improve over the L110 stage’s hydrazine-based propulsion.

    Future Integration and Impression on Indian Launch Functionality

    With the subsystem validations full, ISRO will now start built-in engine-level trials, shifting towards full operational readiness. The SC120 stage powered by SE2000 is predicted to extend LVM3’s payload capability from 4 to five tonnes to Geostationary Transfer Orbit (GTO) and from 8 to 10 tonnes to Low Earth Orbit (LEO).

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  • Starship Flight 8 Explosion Traced to ‘Flash’ in Rocket Engines, SpaceX Investigation Confirms

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    Whereas SpaceX gears up for the extremely anticipated ninth take a look at of its Starship launch automobile, the corporate, being open as at all times, has disclosed why Flight 8’s higher stage failed, which subsequently resulted in it blowing up in midair again on March 6. The take a look at flight, which took off from the corporate’s Starbase website in Texas, got here to a screeching halt inside minutes of reaching the sky when the highest stage — referred to as Ship — skilled a catastrophic engine failure. Though the Tremendous Heavy booster returned safely to Starbase with assistance from “Mechazilla”, the upper-stage anomaly reduce the mission quick, halting its try and deploy simulated Starlink satellites.

    SpaceX Reveals Engine Flash Brought about Starship Flight 8 Explosion, Flight 9 Cleared for Might 27 Launch

    As per a SpaceX update launched on Might 22, the mishap was attributable to a {hardware} failure in one of many ship’s centre Raptor engines. The failure resulted in a “flash” close to the sea-level Raptor, which triggered a shutdown of a number of engines, together with vacuum Raptors, and initiated automobile tumbling. Two minutes later, communications have been misplaced and the automated flight termination software program activated, resulting in the automobile’s destruction. The incident carefully mirrored that of Flight 7, which additionally resulted in an upper-stage explosion, albeit from a fireplace in a unique engine part.

    The flash was traced to inadvertent propellant mixing and ignition throughout the engine bay. SpaceX talked about additional inspection revealed overheating within the ignition system of a number of engines. Whereas Tremendous Heavy returned to Earth principally intact, ignition points affected 2 of its 13 engines in the course of the boostback burn. SpaceX is reinforcing engine insulation and modifying thermal methods to forestall recurrence in future flights.

    To appropriate the faults, SpaceX engineers applied structural and mechanical enhancements. Greater than 100 long-duration take a look at firings at McGregor, Texas, overseen by the FAA, NASA, and Area Drive, concerned tighter joints, a brand new nitrogen purge system, improved propellant drainage, and Raptor 3 engine preparations.

    With the FAA now happy SpaceX has resolved the problems, Starship is cleared to return to flight. Flight 9 is scheduled to launch no sooner than Might 27 aboard a reused Tremendous Heavy booster. SpaceX will livestream the launch on its official platforms beginning at 7:30 p.m. EDT.

  • SpaceX Efficiently Launches 23 Starlink Satellites on Model-New Falcon 9 Rocket

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    SpaceX marked its sixtieth Falcon 9 flight of 2025 by efficiently launching a brand-new Falcon 9 booster rocket on the twentieth of Could. This rocket carries 23 Starlink V2 Mini satellites into low Earth orbit. Amongst these, 13 function Direct to Cell capabilities. Initially, it was focusing on 11:58 p.m. EDT on Could 19 (0358 UTC on Could 20) for the launch, however that attempt was aborted simply earlier than liftoff, for causes that the corporate didn’t instantly clarify. It was lastly launched on Tuesday (Could 20) at 11:19 p.m. EDT (0319 GMT on Could 21) from the House Launch Advanced 40 at Cape Canaveral House Drive Station in Florida.

    In regards to the launch

    According to SpaceX’s mission overview, this was the first-ever launch for this specific Falcon 9’s (booster B1095) first stage. Whereas most up-to-date SpaceX missions have reused Falcon 9 boosters , a signature a part of the corporate’s cost-saving and sustainability technique ,Tuesday’s flight featured a uncommon first-stage debut.

    The rocket efficiently accomplished its preliminary mission, separating from the higher stage round two and a half minutes after liftoff. About eight minutes later, the booster made a exact touchdown on the SpaceX drone ship “Simply Learn the Directions,” stationed within the Atlantic Ocean. This clean restoration units the stage for future reusability of the rocket.

    Technical Development

    Of the 23 satellites onboard, 13 had been outfitted with direct-to-cell expertise — a function designed to allow satellite tv for pc connectivity on to cell phones, particularly in areas missing terrestrial infrastructure. After reaching area, the rocket’s second stage carried out a brief engine burn to circularize the orbit earlier than deploying the satellites about 65 minutes after launch.

    Starlink is the biggest satellite tv for pc megaconstellation ever constructed, consisting of about 7,500 operational satellites in the meanwhile. And that quantity is rising on a regular basis, as Tuesday’s motion exhibits.

  • ISRO’s PSLV-C61 Mission Falls Brief as Rocket Glitch Stops EOS-09 Satellite tv for pc Deployment

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    India’s a hundred and first area mission, PSLV-C61/EOS-09, didn’t finish on a cheerful word because the Indian Area Analysis Organisation (ISRO) introduced that the mission “couldn’t be achieved”. The launch was delayed after a technical glitch within the third stage of the rocket, which took off at 5.59 am from the Satish Dhawan Area Centre at Sriharikota. The EOS-09 Earth statement spacecraft, which was meant for supply into Solar Synchronous Polar Orbit (SSPO) 17 minutes after lift-off, failed in the course of the flight.

    ISRO Probes PSLV-C61 Third-Stage Failure That Halted EOS-09 Satellite tv for pc Deployment

    As per the newest report by ISRO, the group famous a loss in chamber stress throughout operation, due to this fact compromising the mission even when the third stage motor began satisfactorily. The PSLV’s first and second levels carried out usually. The third stage, a strong rocket motor designed for high-thrust efficiency past the environment, was recognized because the failure level. An in depth post-flight evaluation is now underway to find out the foundation explanation for the anomaly.

    The C61 flight marked the PSLV’s 63rd launch and twenty seventh in its PSLV-XL configuration. The rocket had been virtually trouble-free earlier than at this time; it had solely flubbed twice since its 1993 launch. Most newest prior launch failure was in 2017; regarded as the primary in eight years. ISRO completed their final mission, SpaDeX, final month in December 2024. However a valve downside ends in a failure of orbit-raising of the NVS-02 in January 2025, which leads to this newest flop.

    Based mostly on the RISAT-1 heritage platform, EOS-09 weighed 1,696.24 kg. It was geared up with a Artificial Aperture Radar (SAR) payload, which was meant to supply high-resolution photographs, regardless of the climate. Designed with a five-year operational life, the satellite tv for pc ought to increase India’s distant sensing functionality and provide makes use of ranging throughout varied sectors.

    Former ISRO S. Somanath claimed that the third stage motor continues to be underneath growth even when the company has not formally introduced cancellation.