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What is the heaviest object we ever hauled to space?
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What is the most vital and studied part in a rocket?
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Is there a giant CAD file with every detail of your recent rockets?
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Have you ever made a serious mistake? And how did you resolve it?
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What kind of chamber injector did you choose for reusable engines that need deep throttling ? What are the difficulties of 3D printing for rocket engines ? Is the toss-back landing the prefered approach for future booster recovery ? Do you intend to sub-chill your propellants ?
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It will most likely be a pintle injector type as the Prometheus engine needs to be capable of operating from 30% to 110% of its power
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Since your are in a highly competitive field, are you designs most based on existing technologies/processes? or on the ultimate goal of the rocket (and therefore maybe not existing technologies/processes)?
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Do you plan on using existing public and cheap technologies for sofware (like computer chips but with redundancy) or keep with very specialized technologies relative to space sector only?
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What are the main GNC issues when a booster flies back in the atmosphere and how do you handle it ? How do/will you simulate hypersonic retropropulsion ? Do you plan on a future 50t+ LEO launcher with the various HLV entering the market (CZ-9, Falcon Heavy, New Glenn, BFR, SLS) ?
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As far as I know the A6-next will have 7 to 9 Prometheus engines in the 1st stage giving it a 100t×7? thrust power. So not a HLV.
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