New pictures of Kliper

[spacefire]

I think it re-enters in a nose-high attitude. Laying down might indeed send extra blood to the head because of the G-forces build-up during re-entry, which would cause a red-out since the head is 'below' the rest of the body. <div class="Discussion_UserSignature"> <p>http://asteroid-invasion.blogspot.com</p><p>http://www.solvengineer.com/asteroid-invasion.html </p><p> </p> </div>

 

[j05h]

Excellent! You see what I'm referring to. This seems potentially trouble for reentry. <br /><br />Have any Lockheed graphics been released that show the crew in reentry for CEV? <div class="Discussion_UserSignature"> <div align="center"><em>We need a first generation of pioneers.</em><br /></div> </div>

 

[mooware]

<font color="yellow">hat thing looks like it has a lot of empty space. I assume the real one will have a lot of equipment stowed in the now-empty areas. true?</font><br /><br />Absolutely, they'll have the big expensive machine that goes "bing!"<br /><br />

 

[nacnud]

oh, that’s my favourite machine

 

[spacefire]

however, if they ride re-entry with the seats slightly reclined, the G force vector would be perpendicualr to the cosmonaut's torso, thus preventing black-out or red-out. <div class="Discussion_UserSignature"> <p>http://asteroid-invasion.blogspot.com</p><p>http://www.solvengineer.com/asteroid-invasion.html </p><p> </p> </div>

 

[j05h]

That is what you would expect, line of deceleration perpendicular to torso. This demo doesn't make clear whether it is optimal. Looking forward to seeing flight hardware. <br /><br />What's the timeframe for first flight? <div class="Discussion_UserSignature"> <div align="center"><em>We need a first generation of pioneers.</em><br /></div> </div>

 

[mrmorris]

<font color="yellow">"What's the timeframe for first flight? "</font><br /><br />Completely dependent on the timeframe for the Ruskies getting the cash to build it.

 

[spacefire]

which in turn is dependent on when the ESA decides to sponsor them. <div class="Discussion_UserSignature"> <p>http://asteroid-invasion.blogspot.com</p><p>http://www.solvengineer.com/asteroid-invasion.html </p><p> </p> </div>

 

[themanwithoutapast]

Hi kadetken,<br /><br />May I use your 2 really nice photos for the Kliper article on wikipedia: http://en.wikipedia.org/wiki/Kliper#Launch_vehicles ?<br /><br />

 

[gunsandrockets]

"I think it re-enters in a nose-high attitude. Laying down might indeed send extra blood to the head because of the G-forces build-up during re-entry, which would cause a red-out since the head is 'below' the rest of the body."<br /><br />Incorrect, you have your 'up' vs 'down' reversed.<br /><br />Look at it this way, until reentry the Kliper is in freefall, there is no up or down or otherwise as far as the crew can tell. Now for the sake of this discussion let's say the Kliper reenters nose first with a zero angle of attack to the atmosphere. The crew would feel as if 'down' was towards the nose and 'up' was towards the tail. In the normal seated position the crew would be "eyes out" stomach side down and in the fully reclined position the crew would feel as if they were sitting down.<br /><br />If you are still confused think of it this way -- if a crew member held a marble in his outstretched hand during reentry and let it go, which way would the marble move? The direction of movement is the same as 'down'.<br /><br />Now let's examine a more realistic angle of attack with the crew in fully reclined position. The Shuttle reenters with a 40 degree angle of attack, the Kliper will equal if not exceed that. If the Kliper comes in at 90 degrees the crew will feel flat on their backs. If the Kliper comes in with the nose leading, say at a 45 degree angle of attack, the crew will feel as if the cabin floor is tilted down towards the nose. That puts the feet of a crewman 'below' his head when seated in the fully reclined position.<br /><br /><br /> <br /><br />