All Questions
3 questions
10
votes
1
answer
494
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What are the advantages of air lit solid boosters in PSLV XL?
ISRO's PSLV-XL has 6 solid strap on boosters.
In a typical flight profile 4 strap on boosters are lit on ground just before liftoff.
The remaining two boosters are lift 25 seconds later in air.
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- 2,954
28
votes
2
answers
3k
views
Why does the Indian PSLV rocket have tiny boosters?
I have noticed that the Indian rocket PSLV has tiny strap-on boosters attached to it on the sides at the bottom. Why would these be used instead of just using a larger first stage? Why is there an ...
- 2,163
35
votes
6
answers
10k
views
Why is there a "coasting" phase in some space launches?
During the PSLV (India's Polar Satellite Launch Vehicle) C24 launch on 4 April 2014, once stage 3 (PS3) had burned out, it wasn't immediately jettisoned, but instead there was a coasting phase for ...
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