The stabilizer of the aircraft
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The stabilizer of the aircraft

The stabilizer of the aircraft

 

aircraft stabilizer acts as a bearing surface and the tail responsible for the longitudinal stability of the aircraft.

In contrast, it has wings symmetrically convex profile on the two surfaces. Thus it is possible to control the elevators in the different conditions of their situation. In the case of asymmetric flow around the profile of the stabilizer is not the same, and after him the elevators when lowering or raising be streamlined differently.

It is worth noting that the stabilizer device is practically no different from wing unit. It consists of two side members (front and rear), struts, ribs, leading edge braces, rim and fine details. Its design feature is that the rear spar stands as parts forming the trailing edge. Elevators suspended to the rear spar.

stabilizer spars have a box-like shape. And on some designs have-2 spars are made in one piece rear - odnotavrovogo section front - double-T.

Box-shaped spars lighter, but to make them more difficult. Towards consoles spar section decreases. In accordance with the profile of the stabilizer rear spar has a slightly greater height.

Aircraft Stabilizer 343

Through rear spar passes 7 claw screws for installation of the stabilizer of the steering and suspension height. Front spar has 2 bolts that attach the stabilizer to the fuselage.

The ribs are arranged in the same way as the wing ribs: main box-type rib, simple alleviated (they have one wall with slits facilitating). Shelves rib stabilizer, in contrast to the wing ribs are not made of pine and basswood. Another difference between them is that they have no tail.

With regard to the aircraft stabilizer struts, they represent the same box-shaped ribs, but set obliquely. They converge in the middle of the rear spar in the general assembly.

For the stiffness of the aircraft stabilizer raschalen chetyrehmillimetrovoy wire.

Bypass stabilizer as bypass wings kolchugalyuminievyh trough consists of strips having a thickness 0,8 mm. Bypass - is a continuation of the leading edge of the stabilizer and the aircraft is a single whole.

The stabilizer is set in the gap between the fuselage and the bottom of the keel. In the central part of its front side member for fixing the stabilizer installed 2 vertical claw bolts, which are connected on the upper fuselage longerons Ushkova bolts. Rear spar attached 1 horizontal forked bolt that is attached to the opening of the metal comb mounted on the spar keel.

At the junctions of diagonals to spars placed all 3 fork bolt.

Below the stabilizer is supported by four struts (according 2 each side). They are made of steel pipes and have a cross section ellipse. Struts are attached to the regulator under the main ribs, where all sides of the stabilizer formed two flights, and to the lower spar on the nodes of the last flight. Airplanes 1936 of release tabs reinforced struts.

At the end of the strut is forked bolt with which regulated their length during installation on the fuselage stabilizer.

The front shorter rear struts, which corresponds to a narrowing of the tail section, and have on both ends of the adjusting screws, while the front struts have only 1 adjusting bolt located at the upper end.

Stabilizer uncontrollable in flight, but on the ground it can be adjusted and set at a predetermined mounting angle. The spar keel to install the stabilizer is combed with holes.

Installation of the stabilizer to a specific angle in the spar keel fits through holes. One or another hole for installation is selected based on the load plane, thereby creating the necessary conditions for the equilibrium of the aircraft.

Kiel - directional stability body, which allows the aircraft to save on their own to ask him the direction of flight. In that case, if the aircraft during flight deviates in some way (for example, due to a strong gust of wind), the keel by taking the air pressure sidewalls, will seek to return to the ship straight flight. The tail is opposed to the drive of the aircraft to stray off course and "prowl" in hand.

Keel delivered and stored fixedly in the longitudinal plane of symmetry of the aircraft. One of his spar placed vertically, the other - at an angle. It also consists of three ribs, braces, stringers and skin (matter and plywood).

The position of the keel or on the ground before the flight, any flight is impossible, as the keel spar acts closing the fuselage rack.

Sloping side member formed by the front part of the keel. At the lower end of the spar swage wearing steel serving as a front fixing portion.

Vertical spar is represented by a solid bar. The upper part of the keel securing the parts and the lower truss connects the rear fuselage.

Vertical and side members are connected by three horizontal ribs that form the shape of the keel profile. The base of the keel of the lower rib, for this reason it is wider. Cut the shape of a keel to the top of what has been done for the passage of the rudder compensator.

At the bottom of the vertical spar to attach to the fuselage put two clips protruding attachment nodes.

The vertical spar hung rudder hinges 4 by exactly the same device, which has elevators.

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