Is there something like max_accel_to_decel (Klipper) in RRF2.05?
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Title says it all.
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Except it doesn't say what max_accel_to_decel is.
Do you have a link that explains it, or a brief explanation on what it is/does and why you want it?
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Oh, my bad...
#max_accel_to_decel:A pseudo acceleration (in mm/s^2) controlling how fast the
toolhead may go from acceleration to deceleration. It is used to
reduce the top speed of short zig-zag moves (and thus reduce
printer vibration from these moves). The default is half of
max_accel.
I would like something like this because it reduces the noise of fast travel moves.
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Hmm, I don't think there is anything exactly like that in RRF. But to try and achieve your end goal of quieter fast travel moves maybe give M566 P1 a try.
https://duet3d.dozuki.com/Wiki/Gcode#Section_M566_Set_allowable_instantaneous_speed_change
The default jerk policy is 0, which replicates the behaviour of earlier versions of RRF (jerk is only applied between two printing moves, or between two travel moves, and only if they both involve XY movement or neither does). Changing the jerk policy to 1 allows jerk to be applied between any pair of moves.