BRISTELL S-LSA, Руководство по техническому обслуживанию и инспекции

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5.CHAPTER
– TAIL UNIT
Document: SLSA-MIP-5-4-0-US Date of Issue: 05/2016 Revision: -
5-2
5.1 General
The BRISTELL S-LSA tail unit is of mixed structure and is composed of:

All metal horizontal stabilizer

Metal elevator with trim tab

Metal fin surface

Carbon rudder
5.2 Description and operation
5.2.1 Horizontal stabilizer
Horizontal stabilizer (1) (see Fig. 5-1) is of the all-metal structure consisting from two
aluminum spars, eight ribs and aluminum skins. The elevator is attached to the rear spar by
means of piano hinge (4). The horizontal stabilizer is mounted on the fuselage by means of
front and rear attachments (5) (see Fig. 5-1). The front attachments consist of two pins, which
are riveted on bulkhead No. 13 and bushings riveted on front stabilizer spar. The rear
attachments consist of four hinges bolted on top and bottom part of bulkhead No. 14 and
riveted on rear stabilizer spar.
5.2.2 Elevator with trim tab
Elevator (2) (see Fig. 5-1) is all-metal structure and consists from aluminum skin and ribs.
Individual parts are assembled by riveting. Control lever is riveted between middle elevator
ribs. Fiberglass elevator tips (5) are riveted at the both elevator ends. The elevator is
equipped with the trim tab (3), which is hinged by means of the piano hinge on the rear spar
close to the trailing edge of the elevator. The trim tab is made from aluminum sheet.
Fig. 5-1
Horizontal stabilizer with elevator
1 - Horizontal stabilizer 2 - Elevator
3 - Trim tab 4 - Piano hinge
5 - Fiberglass tips