Calculate the local thrust grading

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Reference no: EM131515278

Question: A three-bladed airscrew is driven at 1560 rpm at a flight speed of 110 m s-1 at sea level. At 1.25-m radius, the local efficiency is estimated to be 87%, while the lift/drag ratio of the blade section is 57.3. Calculate the local thrust grading, ignoring rotational interference.

Reference no: EM131515278

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