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Author
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Topic: Apollo rotation versus translation hand controllers
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moonguyron Member Posts: 191 From: Trinity, FL USA Registered: Jan 2011
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posted 08-18-2014 03:16 PM
Since Michael Key (cS modeler) is in the process of making 1:1 Apollo command module hand controllers for me, I thought I should know more than I do about their operation. I know what the book says about both and the difference; however questions remain. For instance, in the translation and docking maneuver, the translation controller would be used to fire the CM forward and aft facing jets to move forward and aft along the X axis. But in that attitude (CM probe facing the LM drogue) if one wanted to move left/right/up/down what combination of thrusters could possibly be used to translate left/right/etc.? The rotational controller could give you yaw but then we have an unwanted angle with respect to the CM and LM. Hope this makes sense. Can someone help? |
David C Member Posts: 1014 From: Lausanne Registered: Apr 2012
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posted 08-18-2014 03:28 PM
You nudge the T-handle left or right as required to translate laterally (Y axis), up or down to translate vertically (Z axis). |
moonguyron Member Posts: 191 From: Trinity, FL USA Registered: Jan 2011
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posted 08-18-2014 04:43 PM
Sorry, I'm slow, but your explanation leaves me with the original question. Knowing the placement of the CM RCS I cannot visualize how you can translate up or down. Attitude change (pitch, roll, and yaw) make sense. But what combination of thrusters produce translation while maintaining the original attitude? |
moonguyron Member Posts: 191 From: Trinity, FL USA Registered: Jan 2011
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posted 08-18-2014 04:47 PM
Never mind. The light finally dawned. Thanks. | |
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Ultimate Bulletin Board 5.47a
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