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Alisport Srl
Tel. (+39) 039.9212128
Fax (+39) 039.9212130
Via Confalonieri, 22
Cremella (Lecco), Italy
   

 


The SILENT 2 TARGA is a light self-launching sailplane for sport and recreational flying. It is powered by the proven “Alisport A302efi” single-cylinder two-stroke fuel-injected engine, producing 28hp at 6200rpm, with electric starter and flywheel generator.
The engine pylon and propeller electromechanical retraction system completely eliminate dependence on aero-towing.
The patented counterweighted mono-blade carbon-fiber propeller has a swept diameter of 1.4 m and retracts into the fuselage with the engine.

The wingspan of the SILENT 2 TARGA has been increased to 13.3 meters via the use of vertical-design winglets.
The wing structure includes extensive use of carbon fiber, both in the sandwich skins and in the tapered I-beam wing spar which uses pultruded carbon rods for the spar caps.

The elliptical wing geometry is unique in that it varies non-linearly from the root to the tip, both in overall planform shape and in wing section profile.
The flaperons stretch for 11 m of the 13.3 m wingspan and their range of motion varies from positive landing L, to +4° for thermalling, to 0°, -4, and S reflex positions for cruising. Creation of these unique wings was possible due to the use of advanced materials technology and new computer simulation methods.

ENHANCEMENTS COMPARED WITH THE SILENT 2:

Wingspan increased to 13.3 m
Improved glide ratio of 40:1
Winglets of new vertical design
Horizontal stabilizer with new elliptical planform and optimized profile
Retractable landing gear
Automatic locking of engine-bay doors
Propeller blade-stop control relocated to the right side of the cockpit
In-flight adjustable rudder pedals
New cockpit ventilation system with canopy de-fogging
Upgraded fuel system with additional filter
New engine decompression system
Surface-mount solar panels for engine battery recharging (optional)

The SILENT 2 TARGA promises increased efficiency at higher speeds, maneuverability, balanced handling, and lasting satisfaction for the discriminating pilot.



SILENT 2 TARGA STANDARD CONFIGURATION:

Carbon and glass fiber composite FUSELAGE
Composite carbon and glass fabric SANDWICH WING SKINS, pultruded carbon spars
T-TAIL with removable horizontal stabilizer; large rudder surface area
Generous FLAPERONS with 11.0 m use of the 13.3 m wingspan; 5 flap settings of
L +4° 0° -4°S
Fully automatic control CONNECTIONS for airbrakes, flaperons, and elevator
Main wheel BRAKE activated via air-brake control aft travel
Joystick-mounted TRIM control trigger
Removable vertical-design WINGLETS
Polymer WING-TIP WHEELS for taxiing on asphalt or grass
One piece hinged tip-up CANOPY, side window with air vent
Two-stroke, 28HP, internal combustion ENGINE, with fuel-injection, electronic ignition, electric starter, and flywheel generator
FADEC DIGITAL engine controller with data logger and internet diagnostics
Electromechanical ACTUATOR for in-flight engine deployment/retraction
Composite mono-blade PROPELLER with patented counter-balanced system
Fully retractable MAIN WHEEL
Steerable TAIL WHEEL with fairing
Nose mounted cockpit VENT and pitot probe
In-flight adjustable RUDDER pedals
Central INSTRUMENT POD and engine control panel
ENGINE INSTRUMENTS: electric switches, fuse and indicator lights, tachometer, rear-view mirror
BASIC FLIGHT INSTRUMENTS: altimeter, air-speed indicator, compass, variometer, total energy probe (Althaus)
RADIO ANTENNA pre-installed in the fuselage
4-point HARNESS with quick-release, cockpit side POCKET, head rest, seat-pan LINER with CUSHION, TOOL-POUCH


Performance


Stall speed (Vs):

< 65 km/h (clean)
Maneuvering speed (VA): 150 km/h
Maximum speed (VNE): 220 km/h
Maximum L/D: 40 at 90 km/h
Minimum sink rate: 0.60 m/s at 85km/h
Takeoff distance: 140 m (on asphalt)
170 m (on grass)
Landing distance:  100 m
Climb rate with engine: 2.5 m/s
"Alisport A302efi" 28 Hp single-cylinder air-cooled engine, with counterbalance shaft, tuned exhaust, FADEC computer controlled mapped fuel-injection and electronic ignition system, electric starter and flywheel generator. Engine extension and retraction operated by electromechanical actuator system.
 
Technical Data
Wing span: 13.3 m
Length: 6.35 m
Height: 1.25 m
Aspect ratio: 20
Wing area: 8.9 m2
Planform: Elliptical (w/winglets)
Profile: IMD 050 (16%)
Empty weight (without fuel): 180 kg
Maximum payload: 105 kg
Maximum takeoff weight: 300 kg
Wing load factors: +4.6 g / -2.65 g (at 150 km/h)
+4.0 g / -1.5 g (at 220 km/h)
Wing loading at 300 kg: 34 kg/m2
Flaperons: L +4° 0° -4° S
Fuel capacity: 16 liters
Fuel consumption at 75 % power: 5 liters/h

Conventional air brakes
Fully automatic control connections
Patented counter-balanced teetering mono-blade propeller
Retractable landing gear
Steerable tailwheel

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