Quick Answer
Calculate Crane Hoist Power Demand with Boom Angle and Load Factor
Calculator
Result Interpretation
Crane Hoist Power Demand with Boom Angle and Load Factor calculator computes Crane Power Demand in W using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Lifting Capacity = 3000
- Hoist Speed = 0.12
- Boom Elevation Angle = 0.7854
Expected Result:
- Crane Power Demand = 3904.8495183731
Engineering Interpretation:
Under the given input conditions, the calculated result is: Crane Power Demand = 3904.8495183731 W.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.
Formula / Method
crane power demand = lifting capacity * 9.80665 * hoist speed * (1.0 + 0.15 * abs(sin(boom elevation angle)))Formula family: formula_crane_crane_power_demand_analyzer
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| Lifting Capacity | Lifting Capacity | INPUT | Lifting Capacity |
| Hoist Speed | Hoist Speed | INPUT | Hoist Speed |
| Boom Elevation Angle | Boom Elevation Angle | INPUT | Boom Elevation Angle |
| Crane Power Demand | Crane Power Demand | OUTPUT | Crane Power Demand |
| g | g | CONSTANT | g = 9.80665 m/s^2 |
Calculation Steps
- Enter the lifting capacity in kg.
- Enter the hoist speed in m/s.
- Enter the boom elevation angle in rad.
- Step 1: Compute crane power demand.
- Read the crane power demand (W) from the results.
Engineering Summary
Calculate Crane Hoist Power Demand with Boom Angle and Load Factor
Frequently Asked Questions
What does this calculator calculate?
The Crane Hoist Power Demand with Boom Angle and Load Factor calculator estimates Crane Power Demand based on the input parameters you provide
What physical constants are used in this calculation?
This calculation uses the standard acceleration due to gravity (g = 9.80665 m/s^2). This is a fundamental physical constant that ensures the formula produces results in consistent engineering units
Why is lifting capacity important in this calculation?
lifting capacity is directly proportional to crane power demand. When you enter lifting capacity in kg, the calculator uses it in the engineering formula to compute the output
How should I interpret the result crane power demand?
The calculator outputs crane power demand in W. For larger power values, divide by 1000 to express the result in kW, or by 745.7 for horsepower. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: Lifting Capacity (kg), Hoist Speed (m/s), Boom Elevation Angle (rad). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
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