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Electric Boat Motor Calculator

Run Time Formula:

\[ \text{Run Time (hours)} = \frac{\text{Battery Ah (Ah)}}{\text{Amp Draw (A)}} \]

Ah
A

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1. What is the Electric Boat Motor Calculator?

The Electric Boat Motor Calculator estimates the run time of electric boat motors based on battery capacity and motor current draw. This helps boaters plan their trips and ensure they have sufficient power for their journey.

2. How Does the Calculator Work?

The calculator uses the run time formula:

\[ \text{Run Time (hours)} = \frac{\text{Battery Ah (Ah)}}{\text{Amp Draw (A)}} \]

Where:

Explanation: The formula calculates how long a battery will last when powering an electric motor at a specific current draw.

3. Importance of Run Time Calculation

Details: Accurate run time calculation is essential for safe boating, trip planning, battery sizing, and avoiding power loss during water activities.

4. Using the Calculator

Tips: Enter battery capacity in amp-hours (Ah) and motor amp draw in amperes (A). Both values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What factors can affect actual run time?
A: Battery age, temperature, motor load, water conditions, and battery discharge rate can all impact actual run time.

Q2: Should I use the full battery capacity for calculation?
A: For lead-acid batteries, use 50-80% of rated capacity. For lithium batteries, you can use 80-90% of rated capacity.

Q3: How do I find my motor's amp draw?
A: Check motor specifications, use a clamp meter during operation, or refer to manufacturer's data sheets.

Q4: What is a typical run time for electric boat motors?
A: Run times vary from 2-8 hours depending on battery size, motor power, and usage conditions.

Q5: Can I extend my run time?
A: Yes, by using larger batteries, reducing motor speed, or adding solar panels for charging.

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