Spacecraft Design

Structure

TransHab Module Calculator: Calculates the dimensions of an inflatable TransHab crew module. By Rob Davidoff.

Structural Mass Calculator: Estimates the structural mass of a spacecraft, using the method found here. By Eric Rozier.

Rocket Engine

Thruster Calculator: Simulates spacecraft thrust, given rocket engine type and mission profile. By Eric Rozier.

Delta-V Calculator: Given the rocket's wet mass, dry mass, and specific impulse/exhaust velocity calculate the rocket's delta-V. By Joseph J. Strout.

The Rocket Equation: Calculates the delta-V equation. Given any three of the values it calculates the value of the fourth. By Trent Waddington.

Heat Radiator

Droplet Radiator Calculator: Given a droplet radiator design, calculate required area to dissapate desired waste heat level. By Eric Rozier.

Coolant Calculator: Given a radiator's coolant type and amount, simulate the radiator system. By Eric Rozier.

Misc

Mission Calculator: Given crew size and mission length, calculate the amount of required consumables. By Eric Rozier.

Relativistic Star Ship Calculator: Calculates times to reach distant points by a relativisitic star ship, accelerating continuously. By Stephen R. Schmitt.

SpinCalc: Calculate the parameters of a centrifugal artificial gravity system. By Theodore W. Hall.

Weapons

Nuclear Weapons

Nuclear Weapon Calculator: Models the effect of various weapon sizes on user selected armor samples. By Eric Rozier.

Nuclear Weapon Effects Calculator: For various nuclear weapon yields, calculates the thermal radius, air blast radius, ionizing radiation radius, and other values. By Michael Wong

Nuclear Bomb Effects Computer: For various nuclear weapon yields, calculates blast and fallout values, and displays them on a pseudo-slide rule. By John Walker

Laser Weapons

Laser Weapon Calculator: Models the effect of various types of lasers on user selected armor samples. By Eric Rozier.

Pulse Laser Calculator: Estimates the effects of pulsed laser blasts on a target. By Luke Campbell.

Beam Laser Calculator: Estimates the effects of a beam laser on a target. By Luke Campbell.

Kinetic Weapons

Kinetic Weapon Calculator: Models the effect of various types of projectile weapons on user selected armor samples. By Eric Rozier.

Point Defense

Point Defense Hit Probabilities - Kinetic CIWS: Estimates hit probabilities of kinetic point defence on various hostile missile sizes. By Eric Rozier.

Point Defense Hit Probabilities - Missile CIWS: Estimates hit probabilities of missile based point defence on various hostile missile sizes. By Eric Rozier.

Asteroid Strike

Earth Impact Effects Program: Estimates the effects of an asteroid striking Earth. By Robert Marcus, H. Jay Melosh, and Gareth Collins.

Impact Calculator: Estimates the effects of an asteroid striking Earth. Includes Google Maps so you can plot the size of the crater. By Edward Gomez and Jon Yardley.

Impact Calculator: Estimates the effects of identical asteroids striking Earth and Luna.

Solar System Collisions: Estimates the effects of an asteroids striking the planet of your choice. By Dr. Douglas P. Hamilton

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