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• There is a separate Sketch tab and a new End Sketch button. All the sketching tools are now under the Sketch tab and you need to select the End Sketch button when you are done with the sketch. You should be able to figure it out by poking around. 
• If you are having trouble snapping to the leading edge of the blade when sketching the chord at the blade tip, you may skip that part of the video. 

• NOTE: The tip chord angle to the incident airflow before any rotations are made to the blade geometry is -1.06 degrees. In order determine the total angle you must rotate the blade to get a desired blade pitch, use the expression

  LaTeX Formatting
  $$ \theta = \alpha - 1.06 $$

  where 

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