Aircraft Control Systems Quiz

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Questions and Answers

What should be parallel with the spar chord line when measuring incidence angle?

  • Plumb bob
  • Bottom (correct)
  • Rib template
  • Wings

What is used to measure the incidence of acrobatic type wings?

  • Ruler
  • Rib template
  • Bevel protractor (correct)
  • Plumb line

What should be level when checking the incidence of an aircraft?

  • Wood blocks
  • Aircraft (correct)
  • Wings
  • Plumb bob

How should flat bottom airfoils like the Clark Y series be measured for angle of incidence?

<p>Using a ruler (D)</p> Signup and view all the answers

What should be used to measure dihedral in inches for an aircraft?

<p>Wood blocks (C)</p> Signup and view all the answers

What is the significance of a 1" rise in 57" in relation to dihedral?

<p>Equals one degree of dihedral (A)</p> Signup and view all the answers

What can be inadvertently induced into the wings when tightening the wing wires?

<p>Extra stress (C)</p> Signup and view all the answers

What is used to measure stagger for an aircraft?

<p>Plumb bobs or weights (A)</p> Signup and view all the answers

Which tool is NOT used for checking the incidence of an aircraft?

<p>Chocked wheels (B)</p> Signup and view all the answers

What type of wings were mentioned in the text that require special consideration for measuring their incidence?

<p>Acrobatic type wings (A)</p> Signup and view all the answers

Flashcards

Incidence Angle Measurement

The bottom surface of the wing should be parallel with the spar chord line.

Measuring Acrobatic Wing Incidence

A bevel protractor is used to measure the incidence of acrobatic type wings.

Aircraft Leveling

The aircraft should be level when checking the incidence.

Measuring Flat-Bottom Airfoils

Use a ruler to measure incidence on flat-bottom airfoils like the Clark Y series.

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Measuring Dihedral

Wood blocks can be used to measure dihedral in inches.

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Dihedral Angle Ratio

A 1" rise in 57" equals one degree of dihedral.

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Wing Wire Tightening Effect

Extra stress can be induced into the wings when tightening the wing wires.

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Measuring Stagger

Plumb bobs or weights are used to measure stagger.

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Tools Not for Incidence

Chocked wheels are NOT used for checking the incidence.

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Acrobatic Wings

Acrobatic wings require special consideration when measuring their incidence.

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