Calculating rotational g force

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SUMMARY

The discussion focuses on calculating the rotational g-force experienced at the tip of a wind turbine with a 253-foot diameter rotor, which completes a rotation in 3.3 seconds. The calculated tip speed is 229 mph. To determine the g-forces, participants suggest using the formula for centripetal acceleration, which is either omega squared times the radius or velocity squared divided by radius. Emphasis is placed on maintaining consistent SI units to ensure accuracy in calculations.

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  • Understanding of centripetal acceleration formulas
  • Familiarity with angular velocity and linear velocity concepts
  • Knowledge of unit conversion to SI units
  • Basic physics principles related to rotational motion
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1953greg
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i observed a wind turbine w/ 253' diameter rotor (according to website http://www.hcpd.com/powerresources/wessingtonspringswindfarm/ ) and timed rotation was 3.3 seconds. if my calculations are correct the tip speed was a whopping 229 mph!

is this enough info to calculate g forces at the tip?

any insight appreciated 1953greg
 
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The acceleration is omega squared times the radius, where omega is the angular velocity.
OR you can use velocity squared divided by radius.
Be careful to keep your units right - use SI units and you are less likely to go wrong.
 

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