How Do I Calculate Thrust for My Hovercraft Project?

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SUMMARY

To calculate the thrust required for a hovercraft project, the thrust must exceed the product of the vehicle's mass and the acceleration due to gravity (9.81 m/s²). For forward movement, the thrust needed is determined by the desired acceleration of the hovercraft. Utilizing a leaf blower as a propulsion source, one must ensure that its thrust output is sufficient to achieve both vertical lift and horizontal motion.

PREREQUISITES
  • Understanding of Newton's Second Law of Motion
  • Knowledge of thrust-to-weight ratio
  • Familiarity with leaf blower specifications
  • Basic physics concepts related to acceleration and force
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  • Calculate the total weight of the hovercraft including the operator
  • Research leaf blower thrust ratings and performance metrics
  • Learn about thrust calculations for hovercraft design
  • Explore methods for measuring acceleration and thrust in practical applications
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Students working on physics projects, hobbyists building hovercrafts, and anyone interested in understanding thrust calculations for personal or educational purposes.

fire_fighter_mike2
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I'm buildind a hover craft for a Physics project. I have built it, and am need ing to calculate how much thrust my leaf blower has to put out in order to lift me up, how do i do that? Same thing with forward movement, how do i figure out how much thrust it will take to move me forward if I'm basically hovering off the ground? Thanks!

Michael
 
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To lift you, the thrust needs to be larger than the mass of the vehicle times the acceleration of gravity.

For sideways motion, the needed thrust depends on your desired acceleration.
 

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