PART66 Licensing Info

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• Licence Categories

• Modularization

• Number of questions

• Experience requirements

• Licence extension

There are 2 x Pi radians in a full circle. (Pi= 3.14... or 22/7). Rotational speed given in radians per second so divide by 2 Pi to get revolutions per second (rev/s). Multiply that by 60 to get revolutions per minute (RPM).

150pi=x*2pi/60 ; divided for pi and then x= 60*150/2=4500

it's soft, chalk like material disables high frequencies exiting the fan blades

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