33-397: The Small Satellite Launch Vehicle ( SSLV ) is a small-lift launch vehicle developed by ISRO to deliver 500 kg (1,100 lb) payload to low Earth orbit (500 km (310 mi)) or 300 kg (660 lb) payload to Sun-synchronous orbit (500 km (310 mi)). The rocket supports multi-orbital drop-offs capability for small satellites . The maiden flight SSLV-D1
66-458: A National Institute of Advanced Studies report by Rajaram Nagappa proposed development path of a 'Small Satellite launch Vehicle-1' to launch strategic payloads. In National Space Science Symposium 2016, then Director of Liquid Propulsion Systems Centre , S. Somanath also acknowledged a need for identifying a cost effective launch vehicle configuration with 500 kg payload capacity to LEO and by November 2017, development of such launch vehicle
99-546: A circular orbit around 13 minutes after liftoff. Also, Janus-1 and AzaadiSAT-2 satellites into their orbits about 1.6 minutes later. The purpose of SSLV-D2 is to launch the three satellites into a 450-kilometer circular orbit and showcase the in-flight performance of the SSLV vehicle systems. A total of 175.2 kilograms was carried by the SSLV-D2: 10.2 kg for Janus-1, 8.7 kg for AzaadiSAT-2, and 156.3 kg for EOS-07. After analyzing
132-459: A milestone event for India's first public-private partnership in aircraft development and a bold dream became reality; C-NM5, designed & developed jointly by CSIR-NAL & Mahindra Aerospace, successfully undertook its first flight in Australia. C-NM5 is powered by a 300 HP piston engine driving a 3-blade propeller cruising at a speed of 160 knots with a maximum AUW (All Up Weight) of 1525 kg;
165-399: A small team of about six people. The launch readiness period of the SSLV is expected to be less than a week instead of months. The launch vehicle can be assembled both vertically like the existing PSLV and Geosynchronous Satellite Launch Vehicle (GSLV) and horizontally like the retired Satellite Launch Vehicle (SLV) and Augmented Satellite Launch Vehicle (ASLV). The first three stages of
198-492: A team of 6 people, and the possibility of launch on demand, SSLV is now a cost-effective solution. Repeatable flight performance of the SSLV vehicle systems has also been demonstrated by SSLV-D3. The successful flight of SSLV-D3 permits the Indian private sector and NewSpace India Limited to use the rocket for operational flights. The SSLV Project was completed after more than seven years of construction. Six companies are now in
231-513: Is a regional airliner being designed by National Aerospace Laboratories (NAL) and to be manufactured by Hindustan Aeronautics Limited (HAL). The aircraft is planned to be a turboprop or a jet with 80–100 passengers capacity. Its basic version will have 70–90 seats (RTA-70) The 90-seater variant of the aircraft is being designed as of 2021 and is expected to enter service in 2026. The maiden flight of CSIR-NAL's light trainer aircraft, now called Hansa, took place on 17 November 1993. The aircraft
264-628: Is an ab-initio two-seat, all-composite aircraft, certified by the DGCA in the year 2000 under JAR-VLA certification. DGCA has promoted the use of the Hansa-3 by various flying clubs; a total of fourteen aircraft are in operation. Thirteen aircraft are currently operational in India. Ten of these are with various flying clubs, and one is with IIT-Kanpur. SARAS had its maiden flight on 29 May 2004. The aircraft took off at 08:15 and flew for about 25 minutes. SARAS
297-506: Is capable of flying up to 30,000ft (cabin altitude 8,000ft) and is capable of operation from short runways. Certification is in progress by CEMILAC and is to be completed by 2013. SARAS has been designed for many roles, including executive transport, light package carrier, remote sensing, air ambulance, etc. C-NM5 is the country's first public-private partnership (PPP) for the development of civil transport aircraft in collaboration with M/s Mahindra Aerospace Pvt Ltd (MAPL) . On 1 September 2011,
330-451: Is now officially complete. The development team will continue to search for specific operational activities in the VTM stage before ISRO supplies the industry with SSLV technology for serial production. Any necessary fine-tuning will be finished prior to the technology transfer. With a 72-hour turnaround time, the ability to support several satellites, a small launch infrastructure requirement with
363-451: Is operational, NewSpace India Limited (NSIL) and a group of Indian companies will manage the mass production and launch activities. The SSLV was developed with the aim of launching small satellites commercially at drastically reduced price and higher launch rate compared to Polar Satellite Launch Vehicle (PSLV). The development cost of SSLV is ₹ 169.07 crore (equivalent to ₹ 190 crore or US$ 23 million in 2023) and
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#1732781136855396-700: Is the first civilian aircraft designed and developed in India. Two prototypes have been built and flown (176 flights) by ASTE (IAF) flight crew. The third prototype aircraft (production standard) is under production at CSIR-NAL. Features include composite wing VERITy (Vacuum Enhanced Resin Infusion Technology), empennage, rear pressure bulkhead, front fuselage top skin, and control surfaces. The aircraft will be equipped with an all-glass cockpit, including EICAS and 3-axis autopilot (limited authority). It will be powered by 2x1200 SHP turboprop PT6A-67A engines (Pratt & Whitney) driving 5-blade MT-Propellers. SARAS
429-636: The Explorer 1 satellite using the Juno I rocket being the first successful US orbital launch. The Vanguard I mission was the second successful US orbital launch. This was the start of the space race . Since the late 1950s, small-lift launch vehicles have continued launching payloads to space. Medium-lift launch vehicles , heavy-lift launch vehicles , and super heavy-lift launch vehicles have also been extensively developed but have not completely superseded small launch vehicles. Small launch vehicles can meet
462-469: The ISRO for the mission failure was software malfunction. According to the ISRO, the mission software detected an accelerometer anomaly during the second stage separation. This caused the rocket navigation to switch from a closed loop guidance to an open loop guidance. Even though, this switch in guidance mode was part of the redundancy built into the rocket's navigation, it could not salvage the mission. During
495-463: The SS1 first-stage booster conducted on 18 March 2021 was unsuccessful. About 60 seconds into the test, oscillations were observed and after 95 seconds, the nozzle of SS1 stage disintegrated. The nominal duration of test was 110 seconds. To qualify for flight, SSLV's solid first stage SS1 has to perform two consecutive nominal static fire tests . The SSLV Payload Fairing (SPLF) functional qualification test
528-679: The VTM stage had to fire for at least 20 seconds, to impart enough additional orbital velocity and altitude corrections. Instead the VTM kicked-in at 653.5s and shut itself down at 653.6s, post lift-off. Following the partial firing of the VTM stage, the EOS 02 was released at 738.5s and AazadiSAT at 788.4s, post-liftoff. These failures transpired, resulting in the satellites entering an unstable orbit and subsequently destroyed upon reentry. On 10 February 2023, SSLV completed its second developmental mission, putting three satellites into their planned orbits. The three-stage rocket successfully launched EOS-07 into
561-762: The aerospace engineering domain. On 1 June 1959, the National Aeronautical Research Laboratory (NARL) was set up in Delhi, with P Nilakantan as its first director. In March of 1960, it set up an office in the stables of the Palace of Maharaja of Mysore in the Indian state of Karnataka, on Jayamahal Road, Bangalore , as the National Aeronautical Laboratory (NAL). The first Executive Council was chaired by J. R. D. Tata . Its members included Satish Dhawan and
594-642: The designer V M Ghatage . Originally started as the National Aeronautical Laboratory, it was renamed National Aerospace Laboratories (NAL) in April 1993. The renaming aimed to reflect its growing involvement in the Indian space program and its multidisciplinary activities. Flosolver was a series of Indian supercomputers designed and assembled by the NAL. Work began on the initial computer in 1986 to help with computational fluid dynamics. The HAL/NAL Regional Transport Aircraft ( RTA ) or Indian Regional Jet ( IRJ )
627-593: The launch vehicle's new, affordable guidance and navigation system. The Earth Observation Satellite EOS-08 was launched by ISRO on 16 August 2024, using SSLV-D3. At the Satish Dhawan Space Centre , the final development flight successfully took off from the first launch pad . After seventeen minutes, the EOS-08 was injected into a 475 km circular orbit, following the instructed injection conditions without any deviations. The SSLV development process
660-418: The manufacturing cost is expected to be ₹ 30 crore (US$ 3.6 million) to ₹ 35 crore (US$ 4.2 million). According to analysts, this places it among the most affordable rockets in its class. The projected high launch rate relies on largely autonomous launch operation and on overall simple logistics. To compare, a PSLV launch involves 600 officials while SSLV launch operations would be managed by
693-428: The open loop guidance mode, the final VTM stage only managed to fire for 0.1s instead of the intended 20s. This led to the two satellites as well as the VTM stage of the rocket being injected into an unstable elliptical transatmospheric orbit of 360.56×75.66 km with an inclination of 36.56°. The SSLV-D1's final VTM stage had 16 hydrazine ( MMH + MON3 ) fueled thrusters. Eight of those were to provide altitude control and
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#1732781136855726-528: The primary responsibility of developing civilian aircraft in India . It concentrates on research in advanced topics in aerospace and related disciplines. Based in Bengaluru , the NAL employs a staff of about 2500 people. NAL is equipped with the Nilakantan Wind tunnel Centre and a computerized fatigue test facility company . NAL also has facilities for investigating failures and accidents in
759-448: The problems with SSLV-D1, ISRO chose the necessary remedial measures and put them into practice. The development team conducted a number of simulations and studies to make sure that SSLV-D2 mission would succeed. According to SSLV-D1 fault evaluation study, six onboard accelerometers detected vibrations that were longer in duration and more intense during the second stage of separation. In order to ensure that this problem doesn't occur again,
792-624: The process of acquiring the SSLV technology, while at least ten companies and consortia have expressed interest in manufacturing. The integration and launch time of SSLV rocket is less than 24 hours. Small-lift launch vehicle A small-lift launch vehicle is a rocket orbital launch vehicle that is capable of lifting 2,000 kilograms (4,400 lb) or less (by NASA classification) or under 5,000 kilograms (11,000 lb) (by Roscosmos classification) of payload into low Earth orbit (LEO). The next larger category consists of medium-lift launch vehicles . The first small-lift launch vehicle
825-458: The remaining eight for controlling the orbital velocity. The VTM stage also provided pitch, yaw and roll control during the orbital insertion maneuvers. The three main stages of the SSLV-D1 functioned normally. But, that was not enough to impart adequate impulse for the two satellite payloads to achieve stable orbits. For the injection of the two satellite payloads into their intended stable orbits,
858-536: The requirements of some spacecraft, and can also be less expensive than a larger launch vehicle would be. (expected) National Aerospace Laboratories The National Aerospace Laboratories ( NAL ) is India 's first and largest aerospace research company established by the Council of Scientific and Industrial Research (CSIR) in Delhi in 1959. The company closely operates with HAL , DRDO , and ISRO and has
891-504: The rocket was 34m tall with a diameter of 2m and a lift-off mass of 120t. The rocket carried EOS 02 , an Earth observation satellite that weighed 135 kg and AzaadiSAT , a CubeSat payload that weighed 8 kg, developed by Indian students to promote inclusivity in STEM education. The SSLV-D1 was supposed to place the two satellite payloads in a circular orbit of altitude 356.2 km with 37.2° inclination. The official explanation by
924-526: The second stage detachment system in SSLV-D2 was modified to reduce vibrations. Furthermore, the system was redesigned to navigate utilizing NavIC data and readings will now be monitored for a longer time before entering rescue mode. The separation mechanism, the equipment bay, and the on-board system for identifying malfunctioning sensors were further modified and five new pieces of hardware were installed. The electronics in SSLV-D2 worked successfully, as did
957-1215: The vehicle use HTPB based solid propellant, with a fourth terminal stage being a Velocity-Trimming Module (VTM) with eight 50 N thrusters for reaction control and eight 50 N axial thrusters for changing velocity. With these VTM can add delta-v of up to 172 m/s. The first stage (SS1) and third stage (SS3) of SSLV are newly developed while second stage (SS2) is derived from third stage (HPS3) of PSLV . Vehicle characteristics : Payloads capabilities The early developmental flights and those to inclined orbits will launch from Sriharikota , at first using existing launch pads and later from dedicated facility called SSLV Launch Complex (SLC) in Kulasekharapatnam . Tenders related to manufacturing, installation, assembly, inspection, testing and Self Propelled launching Unit (SPU) were released in October 2019. This new Kulasekarapattinam Spaceport , under development, near Kulasekharapatnam in Tamil Nadu will handle SSLV launches to Sun-synchronous orbit when complete. In 2015,
990-507: Was completed in August 2021. The second static fire test of SSLV first stage SS1 was conducted on 14 March 2022 at SDSC-SHAR and met the required test objectives. The first developmental flight of the SSLV occurred on 7 August 2022. The flight mission was named SSLV-D1 . The SSLV-D1 flight failed to achieve its mission objectives. The rocket had a three stage configuration with a fourth Velocity Trimming Module (VTM). In its D1 configuration,
1023-403: Was conducted from First Launch Pad on 7 August 2022, however, the payload failed to reach the intended orbit. The second flight SSLV-D2 was successful in delivering payload into orbit on 10 February 2023. SSLV is made keeping low cost, low turnaround time in mind with launch-on-demand flexibility under minimal infrastructure requirements. It is capable of carrying multiple satellites. Once SSLV
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1056-715: Was the Sputnik rocket, launched by the Soviet Union, which was derived from the R-7 Semyorka ICBM . On 4 October 1957, the Sputnik rocket was used to perform the world's first satellite launch, placing the Sputnik 1 satellite into a low Earth orbit . The US responded by attempting to launch the Vanguard rocket. However, the Vanguard TV3 launch attempt failed, with the 31 January 1958 launch of
1089-709: Was underway. By December 2018, the Vikram Sarabhai Space Centre (VSSC) completed the design for the vehicle. The aerodynamic characterization research was conducted at the National Aerospace Laboratories ' 1.2m Trisonic Wind Tunnel Facility. In December 2020, all booster segments for SSLV first stage (SS1) static test (ST01) were received and assembly was done in Second Vehicle Assembly Building (SVAB). The first static fire test (ST01) of
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