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calculating rotational g force

 
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Dec1-09, 11:12 AM   #1
 

calculating rotational g force


i observed a wind turbine w/ 253' diameter rotor (according to website http://www.hcpd.com/powerresources/w...ringswindfarm/ ) 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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Dec1-09, 12:10 PM   #2
 
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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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