Inflatable Boat Capacity 420L - Load Capacity Calculation

  • Thread starter chawki
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In summary, the maximum weight limit for an inflatable boat with a 420L capacity can vary, but is generally around 800-1000 pounds for 4-5 people. To calculate the load capacity, you need to know the weight of the boat, additional equipment, and people on board, and subtract this from the maximum weight capacity listed by the manufacturer. The suitability of the boat for rough waters depends on various factors, and overinflating the boat will not increase its capacity. The shape and size of the boat can also affect its weight capacity, so it is important to check the manufacturer's specifications before use.
  • #1
chawki
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Homework Statement


Inflatable boat with a capacity of 420 liters, floating in empty, so that 91% of the volume is above the water surface. The density of water is 1020 kg/m3

Homework Equations


How big load in kilograms can be loaded, top of the sink to be just the water surface level?

The Attempt at a Solution


i guess we need to find the buoyant force Fb which is the weight of the water displaced Wwd

Wwd=1020*0.42*9.81 ?
and that's gives us 4202.604 N

or maybe:
Wwd=1020*0.0378*9.81 ??
 
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  • #2
hello
 
  • #3
Remember 1000litres = 1m^3

And then use unitary mathod...:smile:

Suk-Sci
 
  • #4
... ... ...
 
  • #5
anyone can check my work?
 
  • #6
hello
 

1. What is the maximum weight limit for the inflatable boat with a 420L capacity?

The maximum weight limit for an inflatable boat with a 420L capacity can vary depending on the specific model and materials used. However, a general rule of thumb is that it can safely hold up to 4-5 people with a combined weight of around 800-1000 pounds.

2. How do you calculate the load capacity of an inflatable boat with a 420L capacity?

To calculate the load capacity of an inflatable boat with a 420L capacity, you will need to know the weight of the boat itself, the weight of any additional equipment or gear, and the weight of the people who will be on the boat. Then, you can subtract the total weight from the maximum weight capacity of the boat (usually listed by the manufacturer) to determine the load capacity.

3. Is the 420L inflatable boat suitable for rough waters or only calm waters?

The suitability of an inflatable boat with a 420L capacity for rough waters depends on various factors, including the materials and construction of the boat, the weather conditions, and the experience of the boater. It is generally recommended to use inflatable boats in calm or mildly choppy waters, rather than in rough waters.

4. Can the inflatable boat's capacity be increased by adding additional air?

No, the capacity of an inflatable boat cannot be increased by adding additional air. The maximum weight capacity of an inflatable boat is determined by the materials and design of the boat, and adding more air will not change this limit. Overinflating the boat can actually make it less stable and increase the risk of punctures or damage.

5. How does the shape and size of an inflatable boat affect its load capacity?

The shape and size of an inflatable boat can affect its load capacity in several ways. A larger boat with a wider base will generally have a higher weight capacity than a smaller boat. The shape of the boat can also impact its stability and how much weight it can safely hold without tipping over. It is important to check the manufacturer's specifications for the specific boat model to determine its load capacity.

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