FoxhoundBat
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FoxhoundBat539 karma
Design life of Merlin 1D has been mentioned to be 40 “cycles”. Could you expand on what a “cycle” is? Is it just a start of the engine?
FoxhoundBat36 karma
Some of you were involved in Crew Dragon and CST-100 programs for a while and has been working closely with the engineers of the respective companies.
Could you give some specific examples on implemented solutions or capabilities that were put in the capsules due to direct feedback to engineers from astronauts?
FoxhoundBat34 karma
I know you will release the details about NGLS in April but i would like to read your thoughts on reusability.
In early February you had presentation about reusability and basically you stressed that the most expensive part of the rocket is stage one and of that it is the engines and surrounding structures for them. It appears ULA is aiming for partial reusability of stage one instead of full reusability of stage one ala SpaceX.
Have ULA looked at the stage recovering like SpaceX with boostback, re-entry burn and so on? And if so, why was the partial recovery preferred over the full SpaceX style of recovery?
FoxhoundBat26 karma
Thank you so much for the answer. So, a single monster stage with loads of "small" Raptors? Cool. N1 kind of cool, hopefully minus the exploding part.
FoxhoundBat1529 karma
In order to use the full MCT design (100 passengers), will BFR be one core or 3 cores?
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