11.3stabilisers Construction

Question 1

What are three formats of a horizontal stabiliser can be used?

Answer 1

Fixed stabiliser, a stabilator and a variable incidence tailplane

Question 2

What is a fixed stabiliser?

Answer 2

comprises two fixed aerofoils, joined together by a structural centre section that has attachment holes for bolting to the aircraft’s fuselage.

Question 3

What is a stabilator?

Answer 3

this is a one-piece all-moveable tail that pivots up and down from a central hinge point. This type of design requires no elevator control surfaces to be fitted on the trailing edge as with the fixed stabiliser

Question 4

What is a variable incidence tailplane?

Answer 4

is simply referred to as the ‘stabiliser’, is also a one-piece all-moveable tail. Elevators are attached to the trailing edge of the stabiliser and are positioned by the control column. A nose-up command causes the elevators to move upwards

Question 5

How and where are vertical stabilisers mounted onto the fuselage?

Answer 5

Via solid anchor points and high tension bolts on the aft fuselage along the centre line of the longitudinal axis

Question 6

What to vertical stabilisers give the aircraft?

Answer 6

Directional stability

Question 7

What is the construction of the stabilisers?

Answer 7

Utilisation of spars, ribs, stringers and skin