Aircraft Type: CTSW
FLIGHT DESIGN
Aircraft Operating Instructions
Page: 3-5
AU 010 01000
Rev. No: 7
Original Issue Date: 28-Feb-2005
Revision Date: 29-Apr-2008
3.6 Structures and Systems Description
Fuselage
The fuselage of the CTSW is made of multiple layers of carbon fiber and aramid (Kevlar®)
laminated over a dense foam core creating a sandwich structure. The cabin can resist
loads from all sides. This provides superior pilot and passenger crash protection and low
structural weight.
Wings
The cantilevered wing of the CTSW plugs into 4 hard points at the top of the cabin for
attachment to the fuselage. The overlapping spars resist lift loads. The main spar caps are
solid carbon fiber wrapped with S glass fibers over a dense Rohacell core. The wing “skin”
is a carbon fiber sandwich. The ribs are molded carbon fiber and bonded into place.
Wingtips
The wingtips of the CTSW are highly developed drooped type. They reduce stall speed,
improve stability and low speed control of the CTSW.
Fuel system
Fuel is gravity fed to the engine from two integral wing tanks. The total capacity is 130l / 34
U.S. gallons. The usable fuel quantity is 124l / 33 U.S. gallons.
The operation of the fuel valve does not allow the ignition key to be inserted unless the fuel
valve is in the “ON” position.
Electric system
The Rotax 912 series of engines are equipped with a “Lighting Coil” type alternator and a
rectifier-regulator that converts and regulates the output of the alternator to a nominal
13.5V – 14.2V 250W (roughly 18A).
The battery for the electric starting system is 12V sealed, AGM type.
The dual ignition system is a CDI (capacitive discharge).
Landing gear
The landing gear of the CTSW is of the tricycle type. The nose wheel is steerable through
a direct link to the rudder pedals. The main gear legs are heavy duty machined aluminum
rods.
Brakes
Hydraulic disk type, actuated through a handbrake lever. Parking brake is set by
simultaneous use of the brake lever and parking brake valve.
Control surfaces
The movable surfaces of the CTSW are of aramid-foam-aramid, carbon-foam-aramid,
carbon-foam-carbon sandwiches with carbon fiber spars and attachment points.
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