// inputs
kg
kg
s
// vehicle presets
// output
—
m/s
mass ratio
—
propellant frac.
—
exhaust vel.
—
propellant mass
—
Δv vs. mission requirements
LEO
9,400 m/s
GTO
12,000 m/s
Trans-lunar
13,500 m/s
Mars transit
16,000 m/s
Multi-stage estimate
For a 2-stage vehicle with equal mass ratios, total Δv ≈ 2× single stage.
—
m/s (2-stage est.)