// exact calculation
How many Propane Explosive Bomb (catapult) for Metal Window Bars
Calculation for Metal Window Bars (500 HP) using this explosive type only.
HP
4items
needed when raiding with Propane Explosive Bomb (catapult) alone
needed when raiding with Propane Explosive Bomb (catapult) alone
Target hitpoints500
Total sulfur3,600
Sulfur per unit900
Harmless overkill50.3
Propane Explosive Bomb (catapult) is the cheapest way to break Metal Window Bars by sulfur.
// method comparison
Other ways to break Metal Window Bars
| Explosive type | Quantity | Sulfur |
|---|---|---|
| Propane Explosive Bomb (catapult)cheapest | 4 items | 3,600 |
| Timed Explosive Charge | 2 items | 4,400 |
| Explosive Rifle Ammo | 200 rounds | 5,000 |
| Rocket | 4 items | 5,600 |
| Satchel Charge | 12 items | 5,760 |
| Propane Explosive Bomb (planted) | 7 items | 6,300 |
| Beancan Grenade | 56 items | 6,720 |
| F1 Grenade | 497 items | 29,820 |
← All raid methods for Metal Window Bars
Important: this is a reference minimum from the current database, not a guarantee. Check the source and target state before a raid.