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Everyday Astronaut
@Erdayastronaut · 24 июн. 2019 г.
How many flights is the Merlin actually good for with no major refurbishment now that you’ve reflown it so many times? Is the bearing the limiting factor? Or is it the coking?
Elon Musk
@elonmusk · 24 июн. 2019 г.
Merlin could probably do 1000 flights too. Turbine blade fatigue cracking would require periodic weld repair or replacement. Probably some seals & bearings as well. Coking not really an issue.
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Engadget
@engadget · 24 июн. 2019 г.
The latest Raspberry Pi mini computer is ready for 4K video engt.co/2NaiQX1
Elon Musk
@elonmusk · 24 июн. 2019 г.
So cool
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Aleksandr Sasha Motsjonov
@soswow · 24 июн. 2019 г.
What's your favourite type of curb? You must have one at this point.
Elon Musk
@elonmusk · 24 июн. 2019 г.
Anything with high contrast
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Tesla Owners Silicon Valley
@teslaownersSV · 24 июн. 2019 г.
Thanks for working on that. What's been the hardest part about concrete?
Elon Musk
@elonmusk · 24 июн. 2019 г.
Excessive shades of grey
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ElonTimes
@elontimes · 24 июн. 2019 г.
@elonmusk v2 significantly improved speed of enhanced summon, what does v3 bring? Better curb detection? Parking spot line detection?
Elon Musk@elonmusk· 24 июн. 2019 г.@28delayslater @evafox Third revision of Enhanced Summon hopefully going to Tesla owners with early access later this week
Elon Musk
@elonmusk · 24 июн. 2019 г.
Yeah, we’ve been working on curbs a *lot*. Concrete seams too. So glamorous.
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Everyday Astronaut
@Erdayastronaut · 24 июн. 2019 г.
~1000 flights with little maintenance?!? 🤯 What?! Seriously, what specifically about raptor makes it anywhere near capable of that compared to previous engines?! Something about the seals / bearings / materials / full flow producing max enthalpy?
Elon Musk
@elonmusk · 24 июн. 2019 г.
Other rocket engines were designed for no (or almost no) reuse. Raptor is designed for heavy & immediate reuse, like an aircraft jet engine, with inspections required only after many flights, assuming instrumentation shows it good. Using hydrostatic bearings certainly helps.
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Earl of FrunkPuppy
@28delayslater · 24 июн. 2019 г.
Update on enhanced summon?
Elon Musk
@elonmusk · 24 июн. 2019 г.
Third revision of Enhanced Summon hopefully going to Tesla owners with early access later this week
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Eva Fo𝕏 🦊 Claudius Nero's Legion
@EvaFox · 24 июн. 2019 г.
@elonmusk
Elon Musk
@elonmusk · 24 июн. 2019 г.
Haha
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Joe McKirdy 🇺🇸 🇺🇦
@joe_mckirdy · 24 июн. 2019 г.
Has the Starship increased it's re-usability. Your previous statements are that the booster would launch 1000 times but the starship only 100 (still impressive).
Elon Musk
@elonmusk · 24 июн. 2019 г.
Depends on destination
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Everyday Astronaut
@Erdayastronaut · 24 июн. 2019 г.
Ladies and gentleman, my chart is off 🤦♂️ by only by an order of magnitude or so 😂
Elon Musk
@elonmusk · 24 июн. 2019 г.
Planning on a simplifying mod to Raptor for max thrust, but no throttling, to get to 250 mT level
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Everyday Astronaut
@Erdayastronaut · 24 июн. 2019 г.
That’s kinda how I read that too 🤯 well, more than $200k, but still even if it’s less than $500k, that’s nuts!
Elon Musk
@elonmusk · 24 июн. 2019 г.
Since Raptor produces 200 tons of force, cost per ton would be $1000. However, Raptor is designed for ~1000 flights with negligible maintenance, so cost per ton over time would actually be ~$1.
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Elon Musk
@elonmusk · 24 июн. 2019 г.
Ответ на @DatKlow
Chomsky sucks
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Elon Musk
@elonmusk · 24 июн. 2019 г.
Anarcho-syndicalism FTW!!
Elon Musk
@elonmusk · 24 июн. 2019 г.
Yet another Monty Python reference, possibly my favorite
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Elon Musk
@elonmusk · 23 июн. 2019 г.
Accelerating Starship development to build the Martian Technocracy
Elon Musk
@elonmusk · 24 июн. 2019 г.
Anarcho-syndicalism FTW!!
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Everyday Astronaut
@Erdayastronaut · 24 июн. 2019 г.
Cost wise, how much more expensive is Raptor than Merlin to produce? Twice as much? Three times-ish.... I estimated Raptor being around $2,000,000 but that was just a roughly educated guess.
Elon Musk
@elonmusk · 24 июн. 2019 г.
More than that now, but <10% of that in volume, although much to be proven
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Harry Stoltz
@HarryStoltz1 · 24 июн. 2019 г.
~730 engines/year!! Wow!
Elon Musk
@elonmusk · 24 июн. 2019 г.
Full year production is usually ~70% of peak daily rate, so 500/year. Still, non-trivial at 100,000 tons of thrust/year.
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Everyday Astronaut
@Erdayastronaut · 24 июн. 2019 г.
Any big changes happening between all the new serial numbers of Raptor? How's the testing coming along in Texas? Ready to stick another Raptor up in the hopper again any time soon?
Elon Musk
@elonmusk · 24 июн. 2019 г.
Raptor liberated its oxygen turbine stator (appears to be mechanical, not metal combustion failure), so we need to update the design & replace some parts. Production is ramping exponentially, though. SN6 almost done. Aiming for an engine every 12 hours by end of year.
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Mina Takla
@RealMinaTakla · 24 июн. 2019 г.
Moon landing with starship?
Elon Musk
@elonmusk · 24 июн. 2019 г.
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Everyday Astronaut
@Erdayastronaut · 23 июн. 2019 г.
Do you see starship landing on the Moon before Mars? Have you gone #moonfirst on us? 🤯
Elon Musk
@elonmusk · 24 июн. 2019 г.
For sure moon 1st, as it’s only 3 days away & u don’t need interplanetary orbital synchronization
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Elon Musk
@elonmusk · 23 июн. 2019 г.
🤣🤣
Elon Musk
@elonmusk · 23 июн. 2019 г.
Moon too
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