28 May 2025, 09:10 [ UTC - 5; DST ]
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Post subject: Re: Bravo SpaceX  Posted: 24 Jan 2021, 20:13 |
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Attention neighbors and space fans lol. Attachment: 7730E3FD-E893-4F39-9125-D89529708FB8.jpeg
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Post subject: Re: Bravo SpaceX Posted: 24 Jan 2021, 20:40 |
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Username Protected wrote: Attention neighbors and space fans lol. Attachment: 7730E3FD-E893-4F39-9125-D89529708FB8.jpeg "Overpressure event" = it blowed up
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Post subject: Re: Bravo SpaceX Posted: 24 Jan 2021, 22:43 |
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what I don't get it, you fly to mars and land this giant grain silo vertically. Presumably the bottom part of it is all tanks and pumps and such. How do the people and equipment in the upper section get in and out of the thing down to the surface ?
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Post subject: Re: Bravo SpaceX Posted: 24 Jan 2021, 22:55 |
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Username Protected wrote: what I don't get it, you fly to mars and land this giant grain silo vertically. Presumably the bottom part of it is all tanks and pumps and such. How do the people and equipment in the upper section get in and out of the thing down to the surface ?  Okay, not really. I just made that up.
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Post subject: Re: Bravo SpaceX Posted: 25 Jan 2021, 08:46 |
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Username Protected wrote: what I don't get it, you fly to mars and land this giant grain silo vertically. Presumably the bottom part of it is all tanks and pumps and such. How do the people and equipment in the upper section get in and out of the thing down to the surface ? Gravity is so low, you can just jump
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Post subject: Re: Bravo SpaceX Posted: 25 Jan 2021, 11:19 |
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Username Protected wrote: what I don't get it, you fly to mars and land this giant grain silo vertically. Presumably the bottom part of it is all tanks and pumps and such. How do the people and equipment in the upper section get in and out of the thing down to the surface ? Okay, not really. I just made that up.
Be sure and remove your shoes! 
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Post subject: Re: Bravo SpaceX Posted: 25 Jan 2021, 11:44 |
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Username Protected wrote: How do the people and equipment in the upper section get in and out of the thing down to the surface ? A winch or external elevator, most likely. Someone's conception: Attachment: starship-egress-1.png There are other far more serious challenges to going to Mars than this. One of which is needing a far more compliant and wider base landing gear system for an uncertain surface. We should first send some robots to build a landing pad and a jetway (rocketway?). Mike C.
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Post subject: Re: Bravo SpaceX Posted: 25 Jan 2021, 11:48 |
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Username Protected wrote: There are other far more serious challenges to going to Mars than this.
One of which is needing a far more compliant and wider base landing gear system for an uncertain surface.
We should first send some robots to build a landing pad and a jetway (rocketway?).
Mike C. i think it's all part and parcel of the same question. Why land a tube vertically ? Why not a different shape ?
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Post subject: Re: Bravo SpaceX Posted: 25 Jan 2021, 13:16 |
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Username Protected wrote: i think it's all part and parcel of the same question.
Why land a tube vertically ? Why not a different shape ? Because that's compromise between ease of landing/takeoff and simplicity of the entire system? They clearly want one vehicle for the entire operation, no landing module, no separation etc.. The tube shape simplifies the flight portion to the extend that overrides added complexity with ingress/egress.
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Post subject: Re: Bravo SpaceX Posted: 25 Jan 2021, 14:03 |
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Username Protected wrote: Why land a tube vertically ? So you can use engine power to softly land and then to takeoff. No other orientation provides that. Apollo did it that way for those reasons, too. Quote: Why not a different shape ? Needs to go through Earth's atmosphere with the minimum drag. Circular cross section is the lightest structure for the volume and pressures. Mike C.
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Post subject: Re: Bravo SpaceX Posted: 25 Jan 2021, 14:19 |
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Username Protected wrote: what I don't get it, you fly to mars and land this giant grain silo vertically. Presumably the bottom part of it is all tanks and pumps and such. How do the people and equipment in the upper section get in and out of the thing down to the surface ? Okay, not really. I just made that up.
Boy, I wish I could get one of those...... 
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Post subject: Re: Bravo SpaceX Posted: 28 Jan 2021, 00:28 |
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Getting real... Attachment: 4DE294B0-5201-4107-9F9D-6E8BF3BBABE2.png
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