Editing Splitting an eject burn using IMFD and BTC
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#Open BurnTimeCalcMFD in the MFD which currently holds the Course view of IMFD. | #Open BurnTimeCalcMFD in the MFD which currently holds the Course view of IMFD. | ||
| − | #Enter dV of first burn. A good value for | + | #Enter dV of first burn. A good value for earth is 2500 m/s, which results in a 10 h immediate orbit. |
#Enter the time (TEj) from IMFD into the manual time position on BTC, subtract 30 seconds for staying in sync during the next steps. Plan at least 200 seconds for orientation. | #Enter the time (TEj) from IMFD into the manual time position on BTC, subtract 30 seconds for staying in sync during the next steps. Plan at least 200 seconds for orientation. | ||
#Set the BTC mode to manual time MD. | #Set the BTC mode to manual time MD. | ||
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#Switch the IMFD showing the eject burn information into BV mode, showing the cross hairs for orientation. Do a quick rough alignment. | #Switch the IMFD showing the eject burn information into BV mode, showing the cross hairs for orientation. Do a quick rough alignment. | ||
#30 seconds before the beginning of the BTC auto burn, manually fine tune the orientation and center the cross hairs. | #30 seconds before the beginning of the BTC auto burn, manually fine tune the orientation and center the cross hairs. | ||
| − | #The burn should now start automatically and also get terminated right on the desired mark. Keep the cross hairs centered manually. As this burn will take a long while, | + | #The burn should now start automatically and also get terminated right on the desired mark. Keep the cross hairs centered manually. As this burn will take a long while, i recommend a good lecture. Just keep an eye on the orientation and correct it if needed. |
==In the immediate orbit== | ==In the immediate orbit== | ||
#Switch the IMFD again into the eject planning mode. | #Switch the IMFD again into the eject planning mode. | ||
#Increase TEj until again reaching a good solution for the next burn (about 30,000 seconds later, so use Adj for speeding the process up). | #Increase TEj until again reaching a good solution for the next burn (about 30,000 seconds later, so use Adj for speeding the process up). | ||
| − | #Enjoy the orbit. On apogee you have a nice view of | + | #Enjoy the orbit. On apogee you have a nice view of earth. |
| − | #When getting closer to | + | #When getting closer to earth, prepare for the final burn. |
==The final burn== | ==The final burn== | ||
#As most of the velocity is already gathered by the first burn, we now only need to trigger IMFDs autopilot for the final burn. Activate it about 350 seconds before the beginning of the eject burn (AB). | #As most of the velocity is already gathered by the first burn, we now only need to trigger IMFDs autopilot for the final burn. Activate it about 350 seconds before the beginning of the eject burn (AB). | ||
| − | #After this burn, you should be in a nice and smooth transfer to | + | #After this burn, you should be in a nice and smooth transfer to mars. |
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