[quote name='Raviprakash' date='22 April 2012 - 07:49 PM' timestamp='1335103882' post='114713']
2. When and at what altitude does the stage separation take place.[/quote]
One can know this if only trajectory data is made available by DRDO, but given it si restricted information, we can only estimate possible values from known inofrmation in weight, payload, stage-1 burn time, peak altitude and fligth time.
From which I know for sure that it was not a pure ballistic flight ; IOW the re-entry vehicle did glide upon entering atmosphere. a.k.a its did a BGRV trajectory at end of ballistic phase.
So the approximate is:
Stage ---- Altitude ---- Velocity
Stage-1 -- ~25 Km -- 1.4 Km/sec
Stage-2 -- ~150 Km -- 3.7 km/sec
Re-entry velocity - 7 km/sec
Yes there are small thusters to control vehicle attitude during atmospheric flight for both BGRV phase and MaRV phase.
2. When and at what altitude does the stage separation take place.[/quote]
One can know this if only trajectory data is made available by DRDO, but given it si restricted information, we can only estimate possible values from known inofrmation in weight, payload, stage-1 burn time, peak altitude and fligth time.
From which I know for sure that it was not a pure ballistic flight ; IOW the re-entry vehicle did glide upon entering atmosphere. a.k.a its did a BGRV trajectory at end of ballistic phase.
So the approximate is:
Stage ---- Altitude ---- Velocity
Stage-1 -- ~25 Km -- 1.4 Km/sec
Stage-2 -- ~150 Km -- 3.7 km/sec
Re-entry velocity - 7 km/sec
Quote:4. Is there any propulsion in warhead or does it re-enter atmosphere only bcoz of gravitation. If there is no propulsion in the warhead and its just the gravitation theory, what guides the missile to correct it self and attack the target.
Yes there are small thusters to control vehicle attitude during atmospheric flight for both BGRV phase and MaRV phase.

