7.1. AIRFRAME
Carbon-fibre/epoxy airframe consist of glass and aramid fibres, with PVC
foam and aramid honeycomb core in sandwich panels. Self-supporting
fuselage with integral fin is made as one piece with integral monocoque
interior, armrests and floors. Composite wing with carbon main beam and
an auxiliary beam carrying hinges of ailerons and flaps have a 60% of
trailing edge used for Fowler flap. Wings and stabilizer are dismountable.
7.1.1. Fuselage
Monocoque fuselage is made of carbon-glass fibre / epoxy composites with
integral fin. The inner monocoque fuselage shell complemented by ribs is
glued into the middle part of the fuselage. It creates integral ergonomic
structure of cabin for two crew members sitting in tandem configuration,
with the luggage space behind the rear seat, accessible from inside, or
outher left side of the fuselage. Part of central fuselage creates 1,73m long
center-wing, used for main undercarriage retracting.
Fuselage airframe includes all necessary hinges of firewall with four
engine mounting hinges, BRS and front undercarriage hinges, main
undercarriage and cockpit hinges, 2+1 hinges of horizontal stabilizer, 2
hinges of rudder in the rear part, together with bottom fin with tailbump,
prepared for optional towing system.
7.1.2. Cockpit canopy
One-piece cockpit canopy consist of carbon fibre frame with glued
plexiglas windscreen. Canopy is opened by gas strut and hinged on the
right side (starboard) by two hinges. Canopy is locked from inside by point
lock system, reachable by both pilots, with separate outside key-lock.
7.1.3. Engine cowlings
Engine cowlings are fixed to the body by
CAM-LOC screws. Bottom cowling has large
NACA air intake, with adjustable flap, for
cooling of water and oil radiator. Adjustable
flap is used during low speeds and taxiing.
Top cowling has small air intakes for direct
cylinder cooling on both sides. Air from
engine compartment is exhausted hrough
gills placed on the sides. Top cowling has
large door for oil check, which serve as air
exhaust hole during hot days.
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