CHAPTER 55
PAGE 3
PAGE DATE: 7. July 2010
MAINTENANCE MANUAL EXTRA 300LT
55-00-00 GENERAL
The EXTRA 300LT has a conventional empennage with
stabilizers and moveable control surfaces. The spars consist
of carbon roving caps, carbon fibre webs and PVC foam
cores. The shell of the horitontal stabilizer are built of
honeycomb sandwich with carbon fibre laminate. The vertical
stabilizer shell is a glas fibre sandwich. Also buckling is
prevented by plywood ribs. On the R/H elevator half a trim
tab is fitted by means of two hinges.
The layer sequences of the stabilizers, the elevator and the
rudder are shown in Figures 1, 3-4 and 6.
For protection against moisture and UV radiation all
composite parts are coated with an unsaturated polyester
gel-coat, a filler and finally with paint.
For repair of composite parts refer to chapter 51.
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