http://openluna.org/wiki/index.php?title=Lunar_Lander&feed=atom&action=historyLunar Lander - Revision history2024-03-29T02:16:44ZRevision history for this page on the wikiMediaWiki 1.20.3http://openluna.org/wiki/index.php?title=Lunar_Lander&diff=956&oldid=prevSbharris at 00:53, 6 February 20102010-02-06T00:53:53Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>5) [[Translational Maneuvering]]. Landers and rendezvousing spacecraft need the ability to translate in all three axis relative to a target. A simple spacecraft need to hold an attitude, but a lander needs to be able to stop lateral translations for final approach.  Typical solutions are the ability to lean on the main engines (lean over the engines to translate the lander) and/or small auxiliary engines. (similar to RCS engines, always for prox ops.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>5) [[Translational Maneuvering]]. Landers and rendezvousing spacecraft need the ability to translate in all three axis relative to a target. A simple spacecraft need to hold an attitude, but a lander needs to be able to stop lateral translations for final approach.  Typical solutions are the ability to lean on the main engines (lean over the engines to translate the lander) and/or small auxiliary engines. (similar to RCS engines, always for prox ops.</div></td></tr>
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<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">[[Category:Modular pieces of equipment]]</ins></div></td></tr>
</table>Sbharrishttp://openluna.org/wiki/index.php?title=Lunar_Lander&diff=941&oldid=prevPaul at 22:26, 5 February 20102010-02-05T22:26:15Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>aftercolumbia's Lander spreadsheet at http://spreadsheets.google.com/pub?key=pPW38BHXYUTlDPPe3cNIcPw</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>aftercolumbia's Lander spreadsheet at http://spreadsheets.google.com/pub?key=pPW38BHXYUTlDPPe3cNIcPw</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Related [[Lander]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Related [[Lander]]</div></td></tr>
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</table>Paulhttp://openluna.org/wiki/index.php?title=Lunar_Lander&diff=911&oldid=prevPaul: Reverted edits by Sbharris (Talk) to last revision by Aftercolumbia2010-02-05T19:44:49Z<p>Reverted edits by <a href="/wiki/index.php?title=Special:Contributions/Sbharris" title="Special:Contributions/Sbharris">Sbharris</a> (<a href="/wiki/index.php?title=User_talk:Sbharris" title="User talk:Sbharris">Talk</a>) to last revision by <a href="/wiki/index.php?title=User:Aftercolumbia" title="User:Aftercolumbia">Aftercolumbia</a></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>5) [[Translational Maneuvering]]. Landers and rendezvousing spacecraft need the ability to translate in all three axis relative to a target. A simple spacecraft need to hold an attitude, but a lander needs to be able to stop lateral translations for final approach.  Typical solutions are the ability to lean on the main engines (lean over the engines to translate the lander) and/or small auxiliary engines. (similar to RCS engines, always for prox ops.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>5) [[Translational Maneuvering]]. Landers and rendezvousing spacecraft need the ability to translate in all three axis relative to a target. A simple spacecraft need to hold an attitude, but a lander needs to be able to stop lateral translations for final approach.  Typical solutions are the ability to lean on the main engines (lean over the engines to translate the lander) and/or small auxiliary engines. (similar to RCS engines, always for prox ops.</div></td></tr>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">6) Remember, we're designing two different craft here. See [[Man-rated vs. non man-rated]].</del></div></td><td colspan="2"> </td></tr>
</table>Paulhttp://openluna.org/wiki/index.php?title=Lunar_Lander&diff=909&oldid=prevSbharris at 19:32, 5 February 20102010-02-05T19:32:32Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>5) [[Translational Maneuvering]]. Landers and rendezvousing spacecraft need the ability to translate in all three axis relative to a target. A simple spacecraft need to hold an attitude, but a lander needs to be able to stop lateral translations for final approach.  Typical solutions are the ability to lean on the main engines (lean over the engines to translate the lander) and/or small auxiliary engines. (similar to RCS engines, always for prox ops.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>5) [[Translational Maneuvering]]. Landers and rendezvousing spacecraft need the ability to translate in all three axis relative to a target. A simple spacecraft need to hold an attitude, but a lander needs to be able to stop lateral translations for final approach.  Typical solutions are the ability to lean on the main engines (lean over the engines to translate the lander) and/or small auxiliary engines. (similar to RCS engines, always for prox ops.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">6) Remember, we're designing two different craft here. See [[Man-rated vs. non man-rated]].</ins></div></td></tr>
</table>Sbharrishttp://openluna.org/wiki/index.php?title=Lunar_Lander&diff=265&oldid=prevAftercolumbia: added link to other Lander page2008-12-16T20:26:55Z<p>added link to other Lander page</p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>aftercolumbia's Lander spreadsheet at http://spreadsheets.google.com/pub?key=pPW38BHXYUTlDPPe3cNIcPw</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>aftercolumbia's Lander spreadsheet at http://spreadsheets.google.com/pub?key=pPW38BHXYUTlDPPe3cNIcPw</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>A lander vehicle has many of the same components as a space vehicle with several important additions:</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>A lander vehicle has many of the same components as a space vehicle with several important additions:</div></td></tr>
</table>Aftercolumbiahttp://openluna.org/wiki/index.php?title=Lunar_Lander&diff=254&oldid=prevAftercolumbia: Added spreadsheet link2008-12-03T16:53:50Z<p>Added spreadsheet link</p>
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<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">aftercolumbia's Lander spreadsheet at http://spreadsheets.google.com/pub?key=pPW38BHXYUTlDPPe3cNIcPw</ins></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>A lander vehicle has many of the same components as a space vehicle with several important additions:</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>A lander vehicle has many of the same components as a space vehicle with several important additions:</div></td></tr>
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</table>Aftercolumbiahttp://openluna.org/wiki/index.php?title=Lunar_Lander&diff=181&oldid=prevSnyder at 21:36, 30 September 20082008-09-30T21:36:53Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>4) [[Lander Engines | Advanced Propulsion]]. a lander probably needs the ability to vary the amount of thrust its engines are producing. Additionally, since a positive thrust to weight (not mass just weight) ratio is generally required, the engines need to be sized larger than on a simple spacecraft.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>4) [[Lander Engines | Advanced Propulsion]]. a lander probably needs the ability to vary the amount of thrust its engines are producing. Additionally, since a positive thrust to weight (not mass just weight) ratio is generally required, the engines need to be sized larger than on a simple spacecraft.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>5) [[Translational Maneuvering]]. Landers and rendezvousing spacecraft need the ability to translate in all three axis relative to a target. A simple spacecraft need to hold an attitude, but a lander needs to be able to stop lateral translations for final approach.  Typical solutions are <del class="diffchange diffchange-inline">an able </del>main <del class="diffchange diffchange-inline">thrust control system </del>(lean over the engines to translate) <del class="diffchange diffchange-inline">amd</del>/or small auxiliary engines<del class="diffchange diffchange-inline">, generally </del>similar to RCS engines.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>5) [[Translational Maneuvering]]. Landers and rendezvousing spacecraft need the ability to translate in all three axis relative to a target. A simple spacecraft need to hold an attitude, but a lander needs to be able to stop lateral translations for final approach.  Typical solutions are <ins class="diffchange diffchange-inline">the ability to lean on the </ins>main <ins class="diffchange diffchange-inline">engines </ins>(lean over the engines to translate <ins class="diffchange diffchange-inline">the lander</ins>) <ins class="diffchange diffchange-inline">and</ins>/or small auxiliary engines<ins class="diffchange diffchange-inline">. (</ins>similar to RCS engines<ins class="diffchange diffchange-inline">, always for prox ops</ins>.</div></td></tr>
</table>Snyderhttp://openluna.org/wiki/index.php?title=Lunar_Lander&diff=180&oldid=prevPaul: added some links2008-09-30T14:30:08Z<p>added some links</p>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>A lander vehicle has many of the same <del class="diffchange diffchange-inline">compontnets </del>as a space vehicle with several important additions:</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>A lander vehicle has many of the same <ins class="diffchange diffchange-inline">components </ins>as a space vehicle with several important additions:</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>1) Landing legs and structure. It is necessary to absorb landing shocks, maintain a stable configuration, and structurally support the vehicle in the desired landing area.  </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>1) <ins class="diffchange diffchange-inline">[[Lander Legs | </ins>Landing legs<ins class="diffchange diffchange-inline">]] </ins>and <ins class="diffchange diffchange-inline">[[Lander </ins>structure <ins class="diffchange diffchange-inline">| structure]]</ins>. It is necessary to absorb landing shocks, maintain a stable configuration, and structurally support the vehicle in the desired landing area.  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>2) Landing "radar". It may not be actual radar, but something needs to measure the distance from the surface and lateral velocity to execute a landing maneuver. additionally, some vehicles may be performing orbital rendezvous and the equipment may be asked to assist in these mission phases.  </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>2) <ins class="diffchange diffchange-inline">[[Lander landing sensor | </ins>Landing "radar"<ins class="diffchange diffchange-inline">]]</ins>. It may not be actual radar, but something needs to measure the distance from the surface and lateral velocity to execute a landing maneuver. additionally, some vehicles may be performing orbital rendezvous and the equipment may be asked to assist in these mission phases.  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Notional concepts include Radar, Lidar, Parallax, Video, UWB, Magnetics and other sensors.  </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Notional concepts include Radar, Lidar, Parallax, Video, UWB, Magnetics and other sensors.  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>3) Cargo and deployment. Most landers are built like a truck, it carries <del class="diffchange diffchange-inline">somehting </del>and has a way of discharging its payload.  </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>3) <ins class="diffchange diffchange-inline">[[Lander </ins>Cargo <ins class="diffchange diffchange-inline">| Cargo]] </ins>and <ins class="diffchange diffchange-inline">[[Lander Cargo deployment | </ins>deployment<ins class="diffchange diffchange-inline">]]</ins>. Most landers are built like a truck, it carries <ins class="diffchange diffchange-inline">something </ins>and has a way of discharging its payload.  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Typical devices may include ramps, doors, cranes, tiedowns, latches, hardpoints, and more.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Typical devices may include ramps, doors, cranes, tiedowns, latches, hardpoints, and more.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>4) Advanced Propulsion. a lander probably needs the ability to vary the amount of thrust its engines are producing. Additionally, since a positive thrust to weight (not mass just weight) ratio is generally required, the engines need to be sized larger than on a simple spacecraft.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>4) <ins class="diffchange diffchange-inline">[[Lander Engines | </ins>Advanced Propulsion<ins class="diffchange diffchange-inline">]]</ins>. a lander probably needs the ability to vary the amount of thrust its engines are producing. Additionally, since a positive thrust to weight (not mass just weight) ratio is generally required, the engines need to be sized larger than on a simple spacecraft.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>5) <del class="diffchange diffchange-inline">translational </del>Maneuvering. Landers and rendezvousing spacecraft need the ability to translate in all three axis relative to a target. A simple <del class="diffchange diffchange-inline">spacegcraft </del>need to hold an attitude, but a lander needs to be able to stop lateral translations for final approach.  Typical solutions are an able main thrust control system (lean over the engines to translate) amd/or small auxiliary engines, generally similar to RCS engines.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>5) <ins class="diffchange diffchange-inline">[[Translational </ins>Maneuvering<ins class="diffchange diffchange-inline">]]</ins>. Landers and rendezvousing spacecraft need the ability to translate in all three axis relative to a target. A simple <ins class="diffchange diffchange-inline">spacecraft </ins>need to hold an attitude, but a lander needs to be able to stop lateral translations for final approach.  Typical solutions are an able main thrust control system (lean over the engines to translate) amd/or small auxiliary engines, generally similar to RCS engines.</div></td></tr>
</table>Paulhttp://openluna.org/wiki/index.php?title=Lunar_Lander&diff=178&oldid=prevSnyder: New page: A lander vehicle has many of the same compontnets as a space vehicle with several important additions: 1) Landing legs and structure. It is necessary to absorb landing shocks, maintain a ...2008-09-29T17:40:43Z<p>New page: A lander vehicle has many of the same compontnets as a space vehicle with several important additions: 1) Landing legs and structure. It is necessary to absorb landing shocks, maintain a ...</p>
<p><b>New page</b></p><div>A lander vehicle has many of the same compontnets as a space vehicle with several important additions:<br />
<br />
1) Landing legs and structure. It is necessary to absorb landing shocks, maintain a stable configuration, and structurally support the vehicle in the desired landing area. <br />
<br />
2) Landing "radar". It may not be actual radar, but something needs to measure the distance from the surface and lateral velocity to execute a landing maneuver. additionally, some vehicles may be performing orbital rendezvous and the equipment may be asked to assist in these mission phases. <br />
Notional concepts include Radar, Lidar, Parallax, Video, UWB, Magnetics and other sensors. <br />
<br />
3) Cargo and deployment. Most landers are built like a truck, it carries somehting and has a way of discharging its payload. <br />
Typical devices may include ramps, doors, cranes, tiedowns, latches, hardpoints, and more.<br />
<br />
4) Advanced Propulsion. a lander probably needs the ability to vary the amount of thrust its engines are producing. Additionally, since a positive thrust to weight (not mass just weight) ratio is generally required, the engines need to be sized larger than on a simple spacecraft.<br />
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5) translational Maneuvering. Landers and rendezvousing spacecraft need the ability to translate in all three axis relative to a target. A simple spacegcraft need to hold an attitude, but a lander needs to be able to stop lateral translations for final approach. Typical solutions are an able main thrust control system (lean over the engines to translate) amd/or small auxiliary engines, generally similar to RCS engines.</div>Snyder