All Questions
5 questions
2votes
1answer
579views
What is the purpose of the pairs of cylinders on the interstage of PSLV?
In the following images, it can be seen that the interstage (separating the first stage PS1 and the second stage PS2) of the Indian Space Research Organisation's (ISRO) Polar Satellite Launch Vehicle (...
- 3,356
5votes
2answers
456views
Launch capabilities of GSLV Mark III
What are the parameters of determining the launch capabilities of a rocket? Also, How does ISRO's GSLV Mark III fare against rockets like N-1, Proton, R-7 etc?
2votes
0answers
292views
Why does the PSLV first stage's exhaust plume turn to bluish at high altitude?
After few seconds, post liftoff(anywhere between 60s and 90s), the exhaust plume of PSLV turns into a bluish colour. This is quite evident in night launches than day launches(obviously because the ...
- 4,499
8votes
1answer
2kviews
What are the falling parts in this ISRO rocket launch?
ISRO launched IRNSS-1I satellite yesterday using its versatile PSLV-XL. In the launch video (from 00:35 to 00:40), within five seconds of the launch, many large parts of the rocket are seen to be ...
- 205
27votes
3answers
5kviews
Why do some rockets not ignite all their engines during liftoff? (GSLV MK3 LV)
As I understand it, a rocket should produce its maximum thrust on liftoff. As time progresses, the mass of the rocket will decrease, but since the engines produce the same thrust, the rocket will ...
- 835
