Processing & CraftingAFK EffortEarly Game
Smelting Cannonballs (Double Ammo Mould AFK)
Smelting Steel bars into Cannonballs with the Double Ammo Mould from Giants' Foundry doubles production speed and provides over 2 minutes of continuous AFK time per inventory.
Base Hourly Profit:420K GP/hr
Starting Capital:2M GP
Location:Edgeville Furnace (near bank)
Membership:Members Only
🧮 Dynamic Profit Calculator
Estimated Hourly Returns
Live GE & Tax Connected
💰 Gross Revenue
420K GP
💸 Supply & Gear Cost
0 GP
✨ Net Profit / Hr
420K GP/hr
📦 Item Flow & Grand Exchange Margins
| Type | Item | Qty / Hr | Unit Price | Hourly Total |
|---|---|---|---|---|
| 🔻 Input | Steel bar | 2,400 | 420 GP | 1,008,000 GP |
| 🔺 Output | Cannonball | 9,600 | 155 GP | 1,488,000 GP |
* Unit prices automatically deduct 1% Grand Exchange tax (capped at 5M GP) on sell orders.
🗺️ Walkthrough
Step-by-Step Execution Strategy
- 1Equip or keep Double ammo mould in inventory.
- 2Withdraw 27 Steel bars, click the furnace once, and AFK for ~70 seconds.
- 3Bank and repeat.
🎯 Pro Efficiency Tips
- •Unlock Double Ammo Mould at Giants Foundry for 2,000 foundry reputation points.
⚠️ Common Mistakes to Avoid
- •Using standard single Ammo mould (cuts speed by 50%).
📋 Prerequisites
Requirements Checklist
Required Skills
SmithingLevel 35
Required Quests
Dwarf Cannon
Required Items
Double ammo mould
Steel bar
⚖️ Pros & Cons Analysis
Pros
- ✓Super AFK (1-click per 70 seconds)
- ✓Cannonballs have permanent high demand
- ✓Very low requirements
Cons
- ✗Moderate hourly profit ceiling