Helicopter Terminology Crossword Puzzle

QUESTIONS LIST:

• root : the part of the blade that attaches to the hub
• rib : the cross-sectional member of the wing
• frame : cross-sectional member of the fuselage, keeps the shape
• torsion : the force that produces twisting
• bending : a compound stress
• shear : the stress that resists the force that tries to make layers of the material slide one over another
• longeron : the main longitudinal member of a fuselage
• cambered : non-symmetrical airfoil, with different upper and lower surfaces
• chord : the length of the line that goes from the leading to the trailing edge
• tension : the force that tends to pull apart
• bulkhead : the strengthened wall in the aircraft structure that separates compartments
• airfoil : any surface that produces more lift than drag
• stringer : one of the longitudinal members of the fudelage ,
• angle of attack : the angle between the resultant relative wind and chord line
• leading edge : the front edge of airfoil
• spar : the main longitudinal structural member of a wing/blade
• blade span : the length of the rotor from the centre of rotation to the blade tip