A mass driver is an electromagnetic catapult that accelerates payloads off the Moon without rockets, trading propellant for electricity. This simulator models the achievable exit velocity, the energy per launch, how much of that energy can be recovered, and how many launches per day a given power system supports.
Because the Moon has no atmosphere and low gravity, electromagnetic launch is unusually attractive there — and this tool quantifies just how attractive under your assumptions.
Kinetic energy rises with the square of exit velocity, so reaching lunar-escape or transfer speeds demands a large energy pulse per shot. The simulator computes that per-launch energy, subtracts what regenerative braking can recover, and divides your launch-power budget by the net demand to get daily cadence.
It also surfaces peak power, which often sizes the capacitor bank or flywheel rather than average power — a distinction that dominates real mass-driver design and is easy to miss without a model.
Sending payloads to low lunar orbit needs a few kilometres per second and a sizeable megawatt-hour pulse each shot; with tens of megawatts allocated and partial energy recovery, the driver supports a steady handful of launches per day — enough to bootstrap an export economy.
It uses electricity, not propellant, which is compelling on the airless, low-gravity Moon where solar power is abundant.
Net energy per launch versus your power budget, and peak-power handling for each pulse.
Yes — recovering part of each launch's energy meaningfully raises cadence, and the model lets you vary it.
No — it is an educational first-order estimator with open assumptions.
Yes — browser-only and available in 25 languages.