Enjoy!

• Extract the configurable builder package.
• Edit settings.ini:
  • recharge_seconds: time between jumps.
  • takeoff_force: launch force.
  • takeoff_duration: normal thrust duration.
  • boosted_takeoff_duration: boosted thrust duration.
  • takeoff_forward_frac: forward share of launch force.
  • mid_air_adjustment_speed: airborne steering adjustment.
• Run Build-Jump-Pack-Mod.exe.
• Replace the previous Jump Pack package in your mod manager with the generated Jump-Pack-Configured-Test.zip, then deploy.
• Launch the game, exit normally, and relaunch.

Unfortunately no longer customizable. So I added my own favorite settings in.

Make sure to put it high on your list of mods for priority.

Here are the new values, all shipped with default setting.
takeoff_force=40
takeoff_duration=0.5
boosted_takeoff_duration=0.75
takeoff_forward_frac=0.4
mid_air_adjustment_speed=4

Comments in the INI explain each setting in a theoretical way, stock value and accepted range.
Flight durations refer to thrust phases, not total time in the air. The
conditions selecting boosted takeoff are not yet confirmed.

THESE VALUES ARE TESTED!

Thanks Hibikixxz

New Readme that explains how to edit the value.