What is Δv? Simple Explanation for Beginners (Click to expand) ▼
Δv (Delta-V) = "How much total speed change can my rocket make?"
Every rocket has a limited "speed budget". Δv is that budget.
How to use this calculator:
• Specific Impulse: Engine efficiency — watch the flame get stronger!
• Initial Mass: Total weight with fuel
• Dry Mass: Weight after fuel is gone
The fuel tank shows remaining fuel. The flame shows engine efficiency.
