Parachutes? Let's Use Maths! (P.L.U.M.) CKAN

A KSP mod that helps calculate parachute requirements

License: MIT

Game Version: 1.11.2

Downloads: 393

Author: FruitGooseKSP

Mod Website: Forum Thread

Followers: 4

Information Changelog Stats

DESCRIPTION

Have you every wondered how many/what type of parachutes you need to land your ship safely? Have you ever wanted to land at a specific velocity as some parts like to blow up at certain velocities and others don't? Have you ever wanted to land a complex vessel with parachutes but it's pure guess work as to where to start?

You need a juicy PLUM.

Inspired by (and using derived formulae) a thread on KSP by Gaarst, PLUM analyses your vessel, calculates things like the atmospheric pressure and parachute drag characteristics and then gives an approximate landing velocity you can expect for the current parachutes you have onboard. You can select from any of the 4 landable atmospheric planets/moons in the stock game (Kerbin, Duna, Eve, Laythe) as well as set your preferred maximum landing velocity.

INSTRUCTIONS

build your craft that needs to be landed as desired. If you are just landing a particular stage, then that needs to be on it's own, PLUM is unable to distinguish between stages and will count the entire vessel! Add some parachutes. open the PLUM menu using the toolbar button. you can now select your preferred landing body and maximum velocity. the PLUM menu will now list the mass and some plantery details. At the bottom, it will calculate the current approximate landing velocity. If the velocity is below your defined maximum, the velocity will display green and if it is over, it will display red. This is for quick reference. By adding or removing chutes, you can change the calculated velocity to be whatever you feel necessary. NOTES

the game gives a bonus for using radial chutes in symmetry. PLUM checks this in a very basic way (checking if the number of chutes is even). Therefore you should always apply radial chutes in multiples of 2 or the bonus will not be taken into account and give an incorrect prediction. This may be addressed in future updates. Although fairly accurate for single chutes on basic vessels, you can expect an error of around 10% when using multiple chutes or mixing and matching chutes. This is due to variances in drag of parts, pressures and a hidden stock modifier. Although reasonably accurate (dispite the potential error described above) PLUM is intended as a guide only! The manufacturer accepts no responsibilty for vessels being destroyed though incorrect calculation. USE AT YOUR OWN RISK!! LICENCE

MIT

Version v1.1.0 for Kerbal Space Program 1.11.2

Released on 2021-05-14

  • major overhaul
  • custom options added allowing player to create their own profiles to cover add-on planets etc
  • redesigned menu to incorporate alternative data to original (to tie in with options)
  • changed close menu button to common X in top right
  • added new icons for options
  • added option to select custom profile within the main menu screen alongside main options
  • recoded system for using radial chutes in symmetry; this is now done programmatically and calculated accurately.
  • fixed issue of menu still showing if not closed when leaving editor

Download (35.70 KiB)

Version v1.0.0 for Kerbal Space Program 1.11.2

Released on 2021-05-03

No changelog provided

Download (19.66 KiB)

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