fuel_limiter.ts

// Utils
type Quality = 'Normal' | 'Uncommon' | 'Rare' | 'Epic' | 'Legendary';

const ThrusterConsumption: Record<Quality, number> = {
  Normal: 120,
  Uncommon: 156,
  Rare: 192,
  Epic: 228,
  Legendary: 300
};

const PumpSpeed: Record<Quality, number> = {
  Normal: 1200,
  Uncommon: 1560,
  Rare: 1920,
  Epic: 2280,
  Legendary: 3000
};

// Options
const pumpQuality: Quality = 'Rare';
const thrusterQuality: Quality = 'Rare';
const thrusterCount = 17;
const desiredLoad = 0.75;

// Calculation
const thrusterRate = ThrusterConsumption[thrusterQuality];
const totalConsumption = thrusterCount * thrusterRate * desiredLoad;

const pumpRate = PumpSpeed[pumpQuality];
const pumpsNeeded = Math.floor(totalConsumption / pumpRate);

const leftoverConsumption = totalConsumption % pumpRate;
const pumpUnitsPerTick = pumpRate / 60;
const activeTicks = leftoverConsumption / pumpUnitsPerTick;

console.log(`
To sustain ${thrusterCount}x ${thrusterQuality} Thruster @ ${desiredLoad * 100}% load:
- Total consumption: ${totalConsumption.toFixed(1)} fluid/s
- Pumps required: ${pumpsNeeded}x ${pumpQuality} Pump
- Extra ${pumpQuality} Pump active for: ${activeTicks.toFixed(1)} ticks
`);

Small program that figures out how many pumps and how much fluid you need for your space platform thrusters in Factorio: Space Age