It was supposed to be tested for a total duration of about 110 seconds, officials said.
The
"SSLV First stage is a new solid motor...new design.
New motor has to be static tested on the ground to prove its performance. If it is successful, one more of the same configuration is tested again for acceptance.
If both are successful, no more ground test is required and third motor of the same configuration will be accepted for flight", an ISRO official said.
SS2 and SS3 motors, igniters and SS2 flex nozzle assembly, liquid propulsion-based VTM (Velocity Trimming Module) thrusters, propellant tanks and propulsion components had already been realised by ISRO and made ready for the maiden orbital test flight.
"We have to identify the root cause of the failure and modify the design", the official said on the unsuccessful testing at Sriharikota spaceport in Nellore district of Andhra Pradesh, about 100 kms north of Chennai, last week.
Asked how long it may take for ISRO to complete the two static tests, the official said: "Maybe six months".
SSLV is two metres in diameter and 34 meters in length with a lift-off weight of about 120 tons.
ISRO has over the years realised five generations of launch vehicles -- SLV-3, ASLV,
The space agency had earlier said the SSLV is going to be a new member of the launch vehicle family.
It is intended to cater to emerging global small satellite launch service market.
"We are flying an earth observation satellite (EOS-02) on board the the first development flight of SSLV", ISRO Chairman and Secretary in the
SSLV has been designed to meet "launch on demand" requirements in a cost-effective manner for small satellites in a dedicated and ride share mode.
It is a three-stage all solid vehicle with a capability to launch up to 500 kg satellite mass into 500 km low earth orbit (LEO) and 300 kg to Sun Synchronous Orbit (SSO).
By comparison, PSLV -- the workhorse of ISRO -- can take up to 1,750 kg payload into SSO of 600 km altitude.
With lower per kg launch cost, the mini launcher will have multiple satellite mounting options for nano, micro and small satellites.
Sivan had earlier termed the SSLV an innovative vehicle, which can be assembled in just 72 hours.
"Instead of 60 days (for building a PSLV), it (SSLV) will be assembled in three days; instead of 600 people (needed to build a PSLV), it (SSLV) will be done by six people", he had said.
Chairman and Managing Director of ISRO's commercial arm, NewSpace India Limited (NSIL), G Narayanan, recently said: "the world over there is a big boom for small launch vehicles and that's why we are focusing on that".
The US-based satellite ride share and mission management provider,
Spaceflight had said at the time that it has already sold out the entire manifest (launch) for this secured SSLV-D2 launch, with spacecraft from an undisclosed U.S.-based satellite constellation customer.
This undisclosed customer is reportedly Seattle-based BlackSky Global, which will launch four earth observation satellites on board SSLV-D2 in the ride share mission arranged Spaceflight.
"Were taking advantage of the growth in the small satellite market to deliver more launch options with the mini-launcher", a senior NSIL official said.
"The SSLV is the much-needed solution to fill the gap in the portfolio of small launch vehicles," Curt Blake, CEO and President of Spaceflight, had said.
"SSLV is designed for the launch-on-demand concept with very quick turn-around capability in between launches.
SSLV is perfectly suited for launching multiple micro satellites at a time and supports multiple orbital drop-offs", Blake had said.
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