Jso Posted April 6, 2020 Share Posted April 6, 2020 2 hours ago, derega16 said: I'm confuse about titan III and IV launch sequence. Both part description and real launch sequence doccument said the mainengine is air start 10s before SRB seperation but nearly all real launch photos I found show it start at launch on the pad with march diamonds between two SRB plumes. Which one is more accurate and how much performance difference between these two? Just to pile on here, the core stage was never ground lit with SRBs. The pair of solids can lift several hundred tons more than the rocket with it's max theoretical payload so there's no scenario where you would need to ground ignite the core. We've all asked the same question - what you're seeing is exhaust gasses interacting with the airflow behind the core. Quote Link to comment Share on other sites More sharing options...
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