Question #122492
If animal is 50ft tall with length of 120ft long how heavy will it be with four legs and how big will a wingspan needed? Also how big will the wingspan be for this creature needed to be to carry its weight to fly high in sky?
1
Expert's answer
2020-06-17T09:35:26-0400

Calculate the mass of the creature assuming standard creature width a=10 ft. The standard density of flesh is 1100 kg/m3, or 67 lb/ft3.


m=ρV=ρabc.m=\rho V=\rho abc.

Assume that the lifting pressure is p=2000 lbf/ft2 and average wing length l=10 ft.

The force of gravity must be balanced by the lifting force:


mg=pA,mg=pls,mg=pA,\\ mg=pls,

the wingspan needed will be


s=mgpl=ρabcpl, s=671050120200010=201 ft.s=\frac{mg}{pl}=\frac{\rho abc}{pl},\\\space\\ s=\frac{67 \cdot10\cdot50\cdot120}{2000\cdot10}=201\text{ ft}.

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Comments

Assignment Expert
18.06.20, 18:17

Dear Gian, we assumed: "Assume that the lifting pressure is p=2000 lbf/ft2"

Gian
17.06.20, 17:30

So the weight if this creature be 2,000lbs for 50ft tall and 120ft long with wingspan of 201ft how did you get the weight from it? :) I thought weight be heavier than 2,000lbs honestly maybe 3-12tons

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