Maneuver planning tool - No timeframe option?

[Guest]

Hi all,

Coming back to KSP after the 1.12 update, I saw that we now had a new tool to help with maneuver planning and calculation. However, I can't find a way to specify a timeframe in which the maneuver is to be completed. This is a rather significant limitation in the case of crewed missions, since it would be unwise to wait, say, three more years around Duna before going back to Kerbin to save a few hundred meters per second of DeltaV...

A good example of that can be found below. The tool wants me to transfer in 3 years and 138 days, for a total cost of around 1650m/s (616m/s for Duna ejection, 1050m/s for Kerbin insertion). However, there is another launch opportunity almost two years earlier that requires around the same fuel budget and is much more compelling for such a piloted vessel... 

 

Is there a way that I missed to set up time boundaries in the new tool or was that features just not implemented? If not, I can't see any good reason to move from user-made tools like TWP...

Thanks !

 

EDIT: Nevermind, I found the problem... Turns out that the transfer calculation takes into account the fuel quantity left onboard. As I cut off fuel valves from some of my tanks, the remaining DeltaV (1346m/s) did not allow for an earlier transfer. So it seems like while we can't chose the date of transfer, it is possible to leave as early as possible by manipulating which tanks are fed from. Coupled with the Alarm clock for transfer window, it should be possible to achieve somewhat precise maneuvers.

Edited August 27, 2021 by LetMePickThat